/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/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:23:45,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:23:45,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:23:45,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:23:45,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:23:45,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:23:45,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:23:45,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:23:45,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:23:45,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:23:45,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:23:45,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:23:45,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:23:45,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:23:45,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:23:45,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:23:45,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:23:45,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:23:45,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:23:45,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:23:45,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:23:45,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:23:45,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:23:45,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:23:45,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:23:45,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:23:45,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:23:45,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:23:45,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:23:45,416 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:23:45,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:23:45,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:23:45,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:23:45,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:23:45,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:23:45,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:23:45,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:23:45,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:23:45,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:23:45,419 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:23:45,419 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:23:45,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:23:45,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:23:45,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:23:45,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:23:45,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:23:45,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:23:45,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:23:45,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:23:45,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:23:45,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:23:45,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:23:45,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:23:45,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:23:45,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:23:45,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:23:45,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:23:45,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:23:45,842 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:23:45,843 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:23:45,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-10-16 15:23:45,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71791c4e6/a40db8cae1c34c3b99e19dc0c9bb8c59/FLAG2b282f2c2 [2022-10-16 15:23:46,673 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:23:46,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-10-16 15:23:46,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71791c4e6/a40db8cae1c34c3b99e19dc0c9bb8c59/FLAG2b282f2c2 [2022-10-16 15:23:46,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71791c4e6/a40db8cae1c34c3b99e19dc0c9bb8c59 [2022-10-16 15:23:46,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:23:46,962 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:23:46,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:23:46,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:23:46,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:23:46,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:23:46" (1/1) ... [2022-10-16 15:23:46,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2373db86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:46, skipping insertion in model container [2022-10-16 15:23:46,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:23:46" (1/1) ... [2022-10-16 15:23:46,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:23:47,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:23:47,509 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/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2022-10-16 15:23:47,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:23:47,529 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:23:47,617 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/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2022-10-16 15:23:47,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:23:47,649 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:23:47,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47 WrapperNode [2022-10-16 15:23:47,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:23:47,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:23:47,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:23:47,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:23:47,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,770 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1031 [2022-10-16 15:23:47,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:23:47,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:23:47,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:23:47,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:23:47,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:23:47,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:23:47,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:23:47,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:23:47,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (1/1) ... [2022-10-16 15:23:47,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:23:47,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:23:47,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:23:47,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:23:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:23:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:23:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:23:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:23:48,164 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:23:48,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:23:49,522 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:23:49,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:23:49,537 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:23:49,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:23:49 BoogieIcfgContainer [2022-10-16 15:23:49,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:23:49,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:23:49,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:23:49,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:23:49,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:23:46" (1/3) ... [2022-10-16 15:23:49,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@839ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:23:49, skipping insertion in model container [2022-10-16 15:23:49,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:23:47" (2/3) ... [2022-10-16 15:23:49,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@839ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:23:49, skipping insertion in model container [2022-10-16 15:23:49,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:23:49" (3/3) ... [2022-10-16 15:23:49,552 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-10-16 15:23:49,571 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:23:49,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-16 15:23:49,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:23:49,688 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;@1a904003, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:23:49,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-16 15:23:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 407 states, 358 states have (on average 1.824022346368715) internal successors, (653), 406 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:23:49,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:49,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:49,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:49,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:49,719 INFO L85 PathProgramCache]: Analyzing trace with hash -937613734, now seen corresponding path program 1 times [2022-10-16 15:23:49,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:49,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797110987] [2022-10-16 15:23:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:50,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:50,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797110987] [2022-10-16 15:23:50,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797110987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:50,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:50,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:23:50,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892270584] [2022-10-16 15:23:50,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:50,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:23:50,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:23:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:23:50,236 INFO L87 Difference]: Start difference. First operand has 407 states, 358 states have (on average 1.824022346368715) internal successors, (653), 406 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:50,301 INFO L93 Difference]: Finished difference Result 631 states and 968 transitions. [2022-10-16 15:23:50,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:23:50,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 15:23:50,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:50,326 INFO L225 Difference]: With dead ends: 631 [2022-10-16 15:23:50,326 INFO L226 Difference]: Without dead ends: 402 [2022-10-16 15:23:50,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:23:50,342 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:50,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-10-16 15:23:50,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2022-10-16 15:23:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 401 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 645 transitions. [2022-10-16 15:23:50,438 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 645 transitions. Word has length 58 [2022-10-16 15:23:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:50,443 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 645 transitions. [2022-10-16 15:23:50,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 645 transitions. [2022-10-16 15:23:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:23:50,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:50,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:50,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:23:50,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:50,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:50,453 INFO L85 PathProgramCache]: Analyzing trace with hash -935766692, now seen corresponding path program 1 times [2022-10-16 15:23:50,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:50,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737547760] [2022-10-16 15:23:50,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:50,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:50,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:50,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737547760] [2022-10-16 15:23:50,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737547760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:50,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:50,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:23:50,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6423864] [2022-10-16 15:23:50,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:50,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:23:50,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:23:50,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:23:50,902 INFO L87 Difference]: Start difference. First operand 402 states and 645 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:51,063 INFO L93 Difference]: Finished difference Result 624 states and 956 transitions. [2022-10-16 15:23:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:23:51,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-16 15:23:51,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:51,074 INFO L225 Difference]: With dead ends: 624 [2022-10-16 15:23:51,074 INFO L226 Difference]: Without dead ends: 402 [2022-10-16 15:23:51,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:23:51,085 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 3 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2535 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:51,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2535 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-10-16 15:23:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2022-10-16 15:23:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 354 states have (on average 1.7259887005649717) internal successors, (611), 401 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 611 transitions. [2022-10-16 15:23:51,116 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 611 transitions. Word has length 58 [2022-10-16 15:23:51,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:51,117 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 611 transitions. [2022-10-16 15:23:51,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 611 transitions. [2022-10-16 15:23:51,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:23:51,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:51,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:51,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:23:51,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:51,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash -546535376, now seen corresponding path program 1 times [2022-10-16 15:23:51,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:51,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749712138] [2022-10-16 15:23:51,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:51,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:51,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749712138] [2022-10-16 15:23:51,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749712138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:51,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:51,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:51,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574763264] [2022-10-16 15:23:51,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:51,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:51,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:51,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:51,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:51,336 INFO L87 Difference]: Start difference. First operand 402 states and 611 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:51,396 INFO L93 Difference]: Finished difference Result 810 states and 1179 transitions. [2022-10-16 15:23:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:51,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 15:23:51,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:51,405 INFO L225 Difference]: With dead ends: 810 [2022-10-16 15:23:51,405 INFO L226 Difference]: Without dead ends: 592 [2022-10-16 15:23:51,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:51,417 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 282 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:51,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1438 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-10-16 15:23:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 546. [2022-10-16 15:23:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 498 states have (on average 1.748995983935743) internal successors, (871), 545 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 871 transitions. [2022-10-16 15:23:51,466 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 871 transitions. Word has length 91 [2022-10-16 15:23:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:51,468 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 871 transitions. [2022-10-16 15:23:51,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 871 transitions. [2022-10-16 15:23:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:23:51,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:51,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:51,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:23:51,483 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:51,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:51,487 INFO L85 PathProgramCache]: Analyzing trace with hash 813877233, now seen corresponding path program 1 times [2022-10-16 15:23:51,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:51,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773516317] [2022-10-16 15:23:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:51,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:51,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:51,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773516317] [2022-10-16 15:23:51,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773516317] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:51,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:51,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:51,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016097642] [2022-10-16 15:23:51,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:51,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:51,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:51,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:51,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:51,714 INFO L87 Difference]: Start difference. First operand 546 states and 871 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:51,776 INFO L93 Difference]: Finished difference Result 1090 states and 1701 transitions. [2022-10-16 15:23:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:51,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:23:51,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:51,782 INFO L225 Difference]: With dead ends: 1090 [2022-10-16 15:23:51,782 INFO L226 Difference]: Without dead ends: 728 [2022-10-16 15:23:51,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:51,785 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 252 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:51,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1168 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:51,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2022-10-16 15:23:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 693. [2022-10-16 15:23:51,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 645 states have (on average 1.745736434108527) internal successors, (1126), 692 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 1126 transitions. [2022-10-16 15:23:51,814 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 1126 transitions. Word has length 95 [2022-10-16 15:23:51,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:51,815 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 1126 transitions. [2022-10-16 15:23:51,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1126 transitions. [2022-10-16 15:23:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:23:51,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:51,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:51,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:23:51,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:51,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:51,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1089424358, now seen corresponding path program 1 times [2022-10-16 15:23:51,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:51,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126106080] [2022-10-16 15:23:51,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:51,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:51,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:51,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126106080] [2022-10-16 15:23:51,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126106080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:51,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:51,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:51,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609879188] [2022-10-16 15:23:51,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:51,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:51,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:51,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:51,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:51,957 INFO L87 Difference]: Start difference. First operand 693 states and 1126 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:52,010 INFO L93 Difference]: Finished difference Result 1627 states and 2628 transitions. [2022-10-16 15:23:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:52,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 15:23:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:52,018 INFO L225 Difference]: With dead ends: 1627 [2022-10-16 15:23:52,019 INFO L226 Difference]: Without dead ends: 1120 [2022-10-16 15:23:52,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:52,021 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 275 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:52,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1414 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-10-16 15:23:52,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1074. [2022-10-16 15:23:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1026 states have (on average 1.7592592592592593) internal successors, (1805), 1073 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1805 transitions. [2022-10-16 15:23:52,070 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1805 transitions. Word has length 98 [2022-10-16 15:23:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:52,070 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 1805 transitions. [2022-10-16 15:23:52,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1805 transitions. [2022-10-16 15:23:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 15:23:52,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:52,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:52,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:23:52,073 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:52,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:52,074 INFO L85 PathProgramCache]: Analyzing trace with hash -953421785, now seen corresponding path program 1 times [2022-10-16 15:23:52,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:52,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786498212] [2022-10-16 15:23:52,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:52,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:52,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:52,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786498212] [2022-10-16 15:23:52,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786498212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:52,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:52,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:52,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163950658] [2022-10-16 15:23:52,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:52,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:52,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:52,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:52,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:52,215 INFO L87 Difference]: Start difference. First operand 1074 states and 1805 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:52,280 INFO L93 Difference]: Finished difference Result 2453 states and 4095 transitions. [2022-10-16 15:23:52,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:52,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-10-16 15:23:52,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:52,292 INFO L225 Difference]: With dead ends: 2453 [2022-10-16 15:23:52,292 INFO L226 Difference]: Without dead ends: 1565 [2022-10-16 15:23:52,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:52,295 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 277 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:52,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 1182 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:52,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-10-16 15:23:52,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1516. [2022-10-16 15:23:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 1468 states have (on average 1.7602179836512262) internal successors, (2584), 1515 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 2584 transitions. [2022-10-16 15:23:52,360 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 2584 transitions. Word has length 102 [2022-10-16 15:23:52,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:52,360 INFO L495 AbstractCegarLoop]: Abstraction has 1516 states and 2584 transitions. [2022-10-16 15:23:52,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2584 transitions. [2022-10-16 15:23:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:23:52,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:52,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:52,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:23:52,363 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:52,364 INFO L85 PathProgramCache]: Analyzing trace with hash -806381394, now seen corresponding path program 1 times [2022-10-16 15:23:52,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:52,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315177201] [2022-10-16 15:23:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:52,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:52,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315177201] [2022-10-16 15:23:52,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315177201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:52,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:52,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:52,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395967479] [2022-10-16 15:23:52,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:52,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:52,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:52,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:52,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:52,508 INFO L87 Difference]: Start difference. First operand 1516 states and 2584 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:52,595 INFO L93 Difference]: Finished difference Result 3908 states and 6676 transitions. [2022-10-16 15:23:52,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:52,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:23:52,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:52,611 INFO L225 Difference]: With dead ends: 3908 [2022-10-16 15:23:52,612 INFO L226 Difference]: Without dead ends: 2594 [2022-10-16 15:23:52,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:52,616 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 268 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:52,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1390 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2022-10-16 15:23:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2548. [2022-10-16 15:23:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 2500 states have (on average 1.7656) internal successors, (4414), 2547 states have internal predecessors, (4414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 4414 transitions. [2022-10-16 15:23:52,718 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 4414 transitions. Word has length 105 [2022-10-16 15:23:52,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:52,718 INFO L495 AbstractCegarLoop]: Abstraction has 2548 states and 4414 transitions. [2022-10-16 15:23:52,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 4414 transitions. [2022-10-16 15:23:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:23:52,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:52,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:52,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:23:52,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:52,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:52,722 INFO L85 PathProgramCache]: Analyzing trace with hash 274974831, now seen corresponding path program 1 times [2022-10-16 15:23:52,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:52,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97502338] [2022-10-16 15:23:52,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:52,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:52,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:52,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97502338] [2022-10-16 15:23:52,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97502338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:52,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:52,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:52,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246228557] [2022-10-16 15:23:52,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:52,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:52,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:52,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:52,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:52,859 INFO L87 Difference]: Start difference. First operand 2548 states and 4414 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:52,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:52,977 INFO L93 Difference]: Finished difference Result 6132 states and 10613 transitions. [2022-10-16 15:23:52,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:52,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:23:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:53,000 INFO L225 Difference]: With dead ends: 6132 [2022-10-16 15:23:53,001 INFO L226 Difference]: Without dead ends: 3786 [2022-10-16 15:23:53,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:53,008 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 270 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:53,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1184 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:53,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3786 states. [2022-10-16 15:23:53,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3786 to 3731. [2022-10-16 15:23:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3731 states, 3683 states have (on average 1.7632364919902253) internal successors, (6494), 3730 states have internal predecessors, (6494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3731 states and 6494 transitions. [2022-10-16 15:23:53,199 INFO L78 Accepts]: Start accepts. Automaton has 3731 states and 6494 transitions. Word has length 109 [2022-10-16 15:23:53,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:53,199 INFO L495 AbstractCegarLoop]: Abstraction has 3731 states and 6494 transitions. [2022-10-16 15:23:53,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3731 states and 6494 transitions. [2022-10-16 15:23:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:23:53,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:53,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:53,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:23:53,213 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:53,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1235969060, now seen corresponding path program 1 times [2022-10-16 15:23:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:53,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157450274] [2022-10-16 15:23:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:53,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:53,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157450274] [2022-10-16 15:23:53,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157450274] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:53,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:53,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:53,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579779059] [2022-10-16 15:23:53,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:53,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:53,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:53,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:53,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:53,362 INFO L87 Difference]: Start difference. First operand 3731 states and 6494 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:53,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:53,625 INFO L93 Difference]: Finished difference Result 10053 states and 17528 transitions. [2022-10-16 15:23:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:53,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:23:53,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:53,666 INFO L225 Difference]: With dead ends: 10053 [2022-10-16 15:23:53,666 INFO L226 Difference]: Without dead ends: 6540 [2022-10-16 15:23:53,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:53,679 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 261 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:53,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1366 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:53,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6540 states. [2022-10-16 15:23:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6540 to 6494. [2022-10-16 15:23:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6494 states, 6446 states have (on average 1.7627986348122866) internal successors, (11363), 6493 states have internal predecessors, (11363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6494 states to 6494 states and 11363 transitions. [2022-10-16 15:23:54,005 INFO L78 Accepts]: Start accepts. Automaton has 6494 states and 11363 transitions. Word has length 112 [2022-10-16 15:23:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:54,006 INFO L495 AbstractCegarLoop]: Abstraction has 6494 states and 11363 transitions. [2022-10-16 15:23:54,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 6494 states and 11363 transitions. [2022-10-16 15:23:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:23:54,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:54,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:54,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:23:54,009 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:54,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash 56276550, now seen corresponding path program 1 times [2022-10-16 15:23:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:54,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640442521] [2022-10-16 15:23:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:54,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:54,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640442521] [2022-10-16 15:23:54,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640442521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:54,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:54,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:23:54,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410145315] [2022-10-16 15:23:54,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:54,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:54,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:54,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:54,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:54,213 INFO L87 Difference]: Start difference. First operand 6494 states and 11363 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:54,560 INFO L93 Difference]: Finished difference Result 16027 states and 28047 transitions. [2022-10-16 15:23:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:54,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-16 15:23:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:54,627 INFO L225 Difference]: With dead ends: 16027 [2022-10-16 15:23:54,627 INFO L226 Difference]: Without dead ends: 9751 [2022-10-16 15:23:54,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:54,640 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 263 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:54,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1183 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:23:54,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9751 states. [2022-10-16 15:23:55,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9751 to 9678. [2022-10-16 15:23:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9678 states, 9630 states have (on average 1.7582554517133957) internal successors, (16932), 9677 states have internal predecessors, (16932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9678 states to 9678 states and 16932 transitions. [2022-10-16 15:23:55,113 INFO L78 Accepts]: Start accepts. Automaton has 9678 states and 16932 transitions. Word has length 115 [2022-10-16 15:23:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:55,114 INFO L495 AbstractCegarLoop]: Abstraction has 9678 states and 16932 transitions. [2022-10-16 15:23:55,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 9678 states and 16932 transitions. [2022-10-16 15:23:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:23:55,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:55,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:55,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:23:55,117 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:55,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:55,118 INFO L85 PathProgramCache]: Analyzing trace with hash -580474721, now seen corresponding path program 1 times [2022-10-16 15:23:55,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:55,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167414640] [2022-10-16 15:23:55,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:55,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:55,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:55,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167414640] [2022-10-16 15:23:55,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167414640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:55,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:55,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:23:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973085799] [2022-10-16 15:23:55,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:55,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:55,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:55,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:55,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:55,346 INFO L87 Difference]: Start difference. First operand 9678 states and 16932 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:55,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:55,988 INFO L93 Difference]: Finished difference Result 18135 states and 31818 transitions. [2022-10-16 15:23:55,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:55,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:23:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:56,156 INFO L225 Difference]: With dead ends: 18135 [2022-10-16 15:23:56,156 INFO L226 Difference]: Without dead ends: 18132 [2022-10-16 15:23:56,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:56,163 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 489 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:56,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 809 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:56,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18132 states. [2022-10-16 15:23:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18132 to 18090. [2022-10-16 15:23:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18090 states, 18042 states have (on average 1.7515796474891918) internal successors, (31602), 18089 states have internal predecessors, (31602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18090 states to 18090 states and 31602 transitions. [2022-10-16 15:23:56,913 INFO L78 Accepts]: Start accepts. Automaton has 18090 states and 31602 transitions. Word has length 118 [2022-10-16 15:23:56,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:56,914 INFO L495 AbstractCegarLoop]: Abstraction has 18090 states and 31602 transitions. [2022-10-16 15:23:56,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 18090 states and 31602 transitions. [2022-10-16 15:23:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:23:56,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:56,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:56,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:23:56,917 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:56,917 INFO L85 PathProgramCache]: Analyzing trace with hash -814845684, now seen corresponding path program 1 times [2022-10-16 15:23:56,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:56,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725853774] [2022-10-16 15:23:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:56,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:57,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:57,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725853774] [2022-10-16 15:23:57,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725853774] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:57,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:57,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:23:57,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363964750] [2022-10-16 15:23:57,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:57,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:57,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:57,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:57,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:57,095 INFO L87 Difference]: Start difference. First operand 18090 states and 31602 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:57,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:57,828 INFO L93 Difference]: Finished difference Result 18135 states and 31602 transitions. [2022-10-16 15:23:57,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:57,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-16 15:23:57,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:57,959 INFO L225 Difference]: With dead ends: 18135 [2022-10-16 15:23:57,959 INFO L226 Difference]: Without dead ends: 18132 [2022-10-16 15:23:57,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:57,967 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 485 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:57,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 812 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:23:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18132 states. [2022-10-16 15:23:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18132 to 18090. [2022-10-16 15:23:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18090 states, 18042 states have (on average 1.7396075823079482) internal successors, (31386), 18089 states have internal predecessors, (31386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:58,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18090 states to 18090 states and 31386 transitions. [2022-10-16 15:23:58,737 INFO L78 Accepts]: Start accepts. Automaton has 18090 states and 31386 transitions. Word has length 119 [2022-10-16 15:23:58,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:23:58,737 INFO L495 AbstractCegarLoop]: Abstraction has 18090 states and 31386 transitions. [2022-10-16 15:23:58,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:58,738 INFO L276 IsEmpty]: Start isEmpty. Operand 18090 states and 31386 transitions. [2022-10-16 15:23:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:23:58,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:23:58,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:23:58,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:23:58,740 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:23:58,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:23:58,741 INFO L85 PathProgramCache]: Analyzing trace with hash 509589057, now seen corresponding path program 1 times [2022-10-16 15:23:58,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:23:58,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672162794] [2022-10-16 15:23:58,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:23:58,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:23:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:23:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:23:58,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:23:58,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672162794] [2022-10-16 15:23:58,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672162794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:23:58,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:23:58,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:23:58,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824140790] [2022-10-16 15:23:58,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:23:58,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:23:58,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:23:58,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:23:58,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:58,948 INFO L87 Difference]: Start difference. First operand 18090 states and 31386 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:23:59,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:23:59,879 INFO L93 Difference]: Finished difference Result 24357 states and 42105 transitions. [2022-10-16 15:23:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:23:59,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 15:23:59,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:23:59,947 INFO L225 Difference]: With dead ends: 24357 [2022-10-16 15:23:59,947 INFO L226 Difference]: Without dead ends: 24354 [2022-10-16 15:23:59,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:23:59,956 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 480 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:23:59,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 801 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:23:59,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24354 states. [2022-10-16 15:24:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24354 to 24318. [2022-10-16 15:24:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24318 states, 24270 states have (on average 1.7259579728059333) internal successors, (41889), 24317 states have internal predecessors, (41889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24318 states to 24318 states and 41889 transitions. [2022-10-16 15:24:01,048 INFO L78 Accepts]: Start accepts. Automaton has 24318 states and 41889 transitions. Word has length 120 [2022-10-16 15:24:01,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:01,048 INFO L495 AbstractCegarLoop]: Abstraction has 24318 states and 41889 transitions. [2022-10-16 15:24:01,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 24318 states and 41889 transitions. [2022-10-16 15:24:01,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:24:01,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:01,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:01,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:24:01,051 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:01,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:01,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1382606930, now seen corresponding path program 1 times [2022-10-16 15:24:01,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:01,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22521970] [2022-10-16 15:24:01,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:01,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:01,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:01,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22521970] [2022-10-16 15:24:01,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22521970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:01,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:01,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:24:01,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519858463] [2022-10-16 15:24:01,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:01,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:24:01,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:01,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:24:01,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:01,290 INFO L87 Difference]: Start difference. First operand 24318 states and 41889 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:02,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:02,116 INFO L93 Difference]: Finished difference Result 24357 states and 41889 transitions. [2022-10-16 15:24:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:24:02,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 15:24:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:02,177 INFO L225 Difference]: With dead ends: 24357 [2022-10-16 15:24:02,177 INFO L226 Difference]: Without dead ends: 24354 [2022-10-16 15:24:02,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:02,184 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 476 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:02,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 804 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:02,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24354 states. [2022-10-16 15:24:03,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24354 to 24318. [2022-10-16 15:24:03,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24318 states, 24270 states have (on average 1.7170580964153275) internal successors, (41673), 24317 states have internal predecessors, (41673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24318 states to 24318 states and 41673 transitions. [2022-10-16 15:24:03,275 INFO L78 Accepts]: Start accepts. Automaton has 24318 states and 41673 transitions. Word has length 121 [2022-10-16 15:24:03,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:03,276 INFO L495 AbstractCegarLoop]: Abstraction has 24318 states and 41673 transitions. [2022-10-16 15:24:03,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:03,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24318 states and 41673 transitions. [2022-10-16 15:24:03,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:24:03,278 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:03,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:03,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:24:03,279 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:03,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:03,280 INFO L85 PathProgramCache]: Analyzing trace with hash 88859619, now seen corresponding path program 1 times [2022-10-16 15:24:03,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:03,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117613185] [2022-10-16 15:24:03,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:03,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:03,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:03,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117613185] [2022-10-16 15:24:03,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117613185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:03,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:03,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:24:03,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032430480] [2022-10-16 15:24:03,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:03,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:24:03,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:03,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:24:03,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:03,525 INFO L87 Difference]: Start difference. First operand 24318 states and 41673 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:04,727 INFO L93 Difference]: Finished difference Result 38037 states and 64137 transitions. [2022-10-16 15:24:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:24:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 15:24:04,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:04,825 INFO L225 Difference]: With dead ends: 38037 [2022-10-16 15:24:04,825 INFO L226 Difference]: Without dead ends: 38034 [2022-10-16 15:24:04,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:04,837 INFO L413 NwaCegarLoop]: 546 mSDtfsCounter, 483 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:04,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 747 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:04,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38034 states. [2022-10-16 15:24:06,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38034 to 38020. [2022-10-16 15:24:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38020 states, 37974 states have (on average 1.6742771369884657) internal successors, (63579), 38019 states have internal predecessors, (63579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38020 states to 38020 states and 63579 transitions. [2022-10-16 15:24:06,573 INFO L78 Accepts]: Start accepts. Automaton has 38020 states and 63579 transitions. Word has length 122 [2022-10-16 15:24:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:06,573 INFO L495 AbstractCegarLoop]: Abstraction has 38020 states and 63579 transitions. [2022-10-16 15:24:06,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:06,574 INFO L276 IsEmpty]: Start isEmpty. Operand 38020 states and 63579 transitions. [2022-10-16 15:24:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:24:06,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:06,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:06,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:24:06,576 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:06,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:06,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1540317616, now seen corresponding path program 1 times [2022-10-16 15:24:06,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:06,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747457959] [2022-10-16 15:24:06,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:06,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:06,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:06,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747457959] [2022-10-16 15:24:06,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747457959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:06,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:06,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:24:06,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981068328] [2022-10-16 15:24:06,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:06,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:24:06,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:24:06,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:06,822 INFO L87 Difference]: Start difference. First operand 38020 states and 63579 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:08,507 INFO L93 Difference]: Finished difference Result 61897 states and 103977 transitions. [2022-10-16 15:24:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:24:08,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 15:24:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:08,663 INFO L225 Difference]: With dead ends: 61897 [2022-10-16 15:24:08,664 INFO L226 Difference]: Without dead ends: 61894 [2022-10-16 15:24:08,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:08,679 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 479 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:08,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 794 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61894 states. [2022-10-16 15:24:10,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61894 to 61852. [2022-10-16 15:24:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61852 states, 61806 states have (on average 1.6703718085622754) internal successors, (103239), 61851 states have internal predecessors, (103239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61852 states to 61852 states and 103239 transitions. [2022-10-16 15:24:10,838 INFO L78 Accepts]: Start accepts. Automaton has 61852 states and 103239 transitions. Word has length 123 [2022-10-16 15:24:10,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:10,839 INFO L495 AbstractCegarLoop]: Abstraction has 61852 states and 103239 transitions. [2022-10-16 15:24:10,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61852 states and 103239 transitions. [2022-10-16 15:24:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:24:10,841 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:10,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:10,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:24:10,842 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1518535954, now seen corresponding path program 1 times [2022-10-16 15:24:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:10,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249285376] [2022-10-16 15:24:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:11,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:11,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249285376] [2022-10-16 15:24:11,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249285376] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:11,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:11,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:24:11,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285343459] [2022-10-16 15:24:11,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:11,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:24:11,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:11,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:24:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:11,037 INFO L87 Difference]: Start difference. First operand 61852 states and 103239 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:13,261 INFO L93 Difference]: Finished difference Result 94249 states and 156222 transitions. [2022-10-16 15:24:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:24:13,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-16 15:24:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:13,488 INFO L225 Difference]: With dead ends: 94249 [2022-10-16 15:24:13,488 INFO L226 Difference]: Without dead ends: 94248 [2022-10-16 15:24:13,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:13,518 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 482 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:13,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 743 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:24:13,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94248 states. [2022-10-16 15:24:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94248 to 94035. [2022-10-16 15:24:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94035 states, 93989 states have (on average 1.6538211918415986) internal successors, (155441), 94034 states have internal predecessors, (155441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94035 states to 94035 states and 155441 transitions. [2022-10-16 15:24:16,820 INFO L78 Accepts]: Start accepts. Automaton has 94035 states and 155441 transitions. Word has length 125 [2022-10-16 15:24:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:16,821 INFO L495 AbstractCegarLoop]: Abstraction has 94035 states and 155441 transitions. [2022-10-16 15:24:16,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 94035 states and 155441 transitions. [2022-10-16 15:24:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:24:16,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:16,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:16,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:24:16,824 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:16,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:16,824 INFO L85 PathProgramCache]: Analyzing trace with hash -170024184, now seen corresponding path program 1 times [2022-10-16 15:24:16,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:16,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341188761] [2022-10-16 15:24:16,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:16,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:16,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:16,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341188761] [2022-10-16 15:24:16,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341188761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:16,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:16,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:24:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090642034] [2022-10-16 15:24:16,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:16,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:24:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:16,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:24:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:16,976 INFO L87 Difference]: Start difference. First operand 94035 states and 155441 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:20,754 INFO L93 Difference]: Finished difference Result 163683 states and 271207 transitions. [2022-10-16 15:24:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:24:20,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 15:24:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:21,183 INFO L225 Difference]: With dead ends: 163683 [2022-10-16 15:24:21,183 INFO L226 Difference]: Without dead ends: 163682 [2022-10-16 15:24:21,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:24:21,216 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 480 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:21,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 780 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:24:21,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163682 states. [2022-10-16 15:24:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163682 to 163441. [2022-10-16 15:24:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163441 states, 163395 states have (on average 1.6533920866611584) internal successors, (270156), 163440 states have internal predecessors, (270156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163441 states to 163441 states and 270156 transitions. [2022-10-16 15:24:26,577 INFO L78 Accepts]: Start accepts. Automaton has 163441 states and 270156 transitions. Word has length 126 [2022-10-16 15:24:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:26,577 INFO L495 AbstractCegarLoop]: Abstraction has 163441 states and 270156 transitions. [2022-10-16 15:24:26,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 163441 states and 270156 transitions. [2022-10-16 15:24:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:24:26,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:26,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:26,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:24:26,580 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:26,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash -184435542, now seen corresponding path program 1 times [2022-10-16 15:24:26,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:26,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702996757] [2022-10-16 15:24:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:27,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:27,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702996757] [2022-10-16 15:24:27,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702996757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:27,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:27,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:24:27,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367358760] [2022-10-16 15:24:27,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:27,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:24:27,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:27,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:24:27,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:24:27,103 INFO L87 Difference]: Start difference. First operand 163441 states and 270156 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:34,673 INFO L93 Difference]: Finished difference Result 467982 states and 775862 transitions. [2022-10-16 15:24:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:24:34,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 15:24:34,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:35,342 INFO L225 Difference]: With dead ends: 467982 [2022-10-16 15:24:35,343 INFO L226 Difference]: Without dead ends: 304775 [2022-10-16 15:24:35,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:24:35,527 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 883 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:35,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 1822 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:24:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304775 states. [2022-10-16 15:24:44,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304775 to 265354. [2022-10-16 15:24:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265354 states, 265308 states have (on average 1.6503950125891418) internal successors, (437863), 265353 states have internal predecessors, (437863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265354 states to 265354 states and 437863 transitions. [2022-10-16 15:24:45,834 INFO L78 Accepts]: Start accepts. Automaton has 265354 states and 437863 transitions. Word has length 128 [2022-10-16 15:24:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:24:45,835 INFO L495 AbstractCegarLoop]: Abstraction has 265354 states and 437863 transitions. [2022-10-16 15:24:45,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 265354 states and 437863 transitions. [2022-10-16 15:24:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:24:45,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:24:45,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:24:45,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:24:45,852 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:24:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:24:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1664562853, now seen corresponding path program 1 times [2022-10-16 15:24:45,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:24:45,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433980765] [2022-10-16 15:24:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:24:45,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:24:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:24:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:24:46,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:24:46,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433980765] [2022-10-16 15:24:46,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433980765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:24:46,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:24:46,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 15:24:46,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165456951] [2022-10-16 15:24:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:24:46,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:24:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:24:46,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:24:46,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:24:46,057 INFO L87 Difference]: Start difference. First operand 265354 states and 437863 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:24:58,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:24:58,047 INFO L93 Difference]: Finished difference Result 662683 states and 1096065 transitions. [2022-10-16 15:24:58,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:24:58,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:24:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:24:59,212 INFO L225 Difference]: With dead ends: 662683 [2022-10-16 15:24:59,213 INFO L226 Difference]: Without dead ends: 397563 [2022-10-16 15:24:59,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:24:59,465 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 2373 mSDsluCounter, 4733 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 15:24:59,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 5315 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 15:24:59,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397563 states. [2022-10-16 15:25:11,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397563 to 343787. [2022-10-16 15:25:12,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343787 states, 343741 states have (on average 1.6474322236800383) internal successors, (566290), 343786 states have internal predecessors, (566290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343787 states to 343787 states and 566290 transitions. [2022-10-16 15:25:13,555 INFO L78 Accepts]: Start accepts. Automaton has 343787 states and 566290 transitions. Word has length 129 [2022-10-16 15:25:13,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:25:13,556 INFO L495 AbstractCegarLoop]: Abstraction has 343787 states and 566290 transitions. [2022-10-16 15:25:13,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 343787 states and 566290 transitions. [2022-10-16 15:25:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:25:13,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:25:13,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:25:13,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:25:13,559 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:25:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:25:13,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1422533001, now seen corresponding path program 1 times [2022-10-16 15:25:13,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:25:13,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906691893] [2022-10-16 15:25:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:25:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:25:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:25:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:25:14,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:25:14,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906691893] [2022-10-16 15:25:14,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906691893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:25:14,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:25:14,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:25:14,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509628601] [2022-10-16 15:25:14,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:25:14,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:25:14,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:25:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:25:14,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:25:14,401 INFO L87 Difference]: Start difference. First operand 343787 states and 566290 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:25:26,060 INFO L93 Difference]: Finished difference Result 402982 states and 666267 transitions. [2022-10-16 15:25:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:25:26,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:25:26,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:25:27,489 INFO L225 Difference]: With dead ends: 402982 [2022-10-16 15:25:27,489 INFO L226 Difference]: Without dead ends: 402981 [2022-10-16 15:25:27,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:25:27,640 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 880 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:25:27,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 1333 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:25:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402981 states. [2022-10-16 15:25:41,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402981 to 402622. [2022-10-16 15:25:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402622 states, 402576 states have (on average 1.649546917849052) internal successors, (664068), 402621 states have internal predecessors, (664068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402622 states to 402622 states and 664068 transitions. [2022-10-16 15:25:44,335 INFO L78 Accepts]: Start accepts. Automaton has 402622 states and 664068 transitions. Word has length 129 [2022-10-16 15:25:44,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:25:44,336 INFO L495 AbstractCegarLoop]: Abstraction has 402622 states and 664068 transitions. [2022-10-16 15:25:44,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:25:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 402622 states and 664068 transitions. [2022-10-16 15:25:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:25:44,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:25:44,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:25:44,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:25:44,338 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:25:44,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:25:44,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1254565575, now seen corresponding path program 1 times [2022-10-16 15:25:44,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:25:44,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734183075] [2022-10-16 15:25:44,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:25:44,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:25:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:25:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:25:44,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:25:44,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734183075] [2022-10-16 15:25:44,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734183075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:25:44,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:25:44,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:25:44,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539447985] [2022-10-16 15:25:44,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:25:44,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:25:44,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:25:44,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:25:44,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:25:44,524 INFO L87 Difference]: Start difference. First operand 402622 states and 664068 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:07,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:26:07,214 INFO L93 Difference]: Finished difference Result 1129694 states and 1870109 transitions. [2022-10-16 15:26:07,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:26:07,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 15:26:07,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:26:09,106 INFO L225 Difference]: With dead ends: 1129694 [2022-10-16 15:26:09,106 INFO L226 Difference]: Without dead ends: 727306 [2022-10-16 15:26:09,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:26:09,987 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 879 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:26:09,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1799 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:26:10,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727306 states. [2022-10-16 15:26:36,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727306 to 599365. [2022-10-16 15:26:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599365 states, 599319 states have (on average 1.6472512968886353) internal successors, (987229), 599364 states have internal predecessors, (987229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:43,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599365 states to 599365 states and 987229 transitions. [2022-10-16 15:26:43,629 INFO L78 Accepts]: Start accepts. Automaton has 599365 states and 987229 transitions. Word has length 131 [2022-10-16 15:26:43,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:26:43,629 INFO L495 AbstractCegarLoop]: Abstraction has 599365 states and 987229 transitions. [2022-10-16 15:26:43,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:26:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 599365 states and 987229 transitions. [2022-10-16 15:26:43,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:26:43,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:26:43,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:26:43,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:26:43,633 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 15:26:43,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:26:43,634 INFO L85 PathProgramCache]: Analyzing trace with hash -771827146, now seen corresponding path program 1 times [2022-10-16 15:26:43,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:26:43,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293671380] [2022-10-16 15:26:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:26:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:26:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:26:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:26:44,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:26:44,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293671380] [2022-10-16 15:26:44,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293671380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:26:44,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:26:44,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:26:44,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756733388] [2022-10-16 15:26:44,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:26:44,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:26:44,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:26:44,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:26:44,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:26:44,023 INFO L87 Difference]: Start difference. First operand 599365 states and 987229 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)