/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_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:56:01,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:56:01,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:56:02,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:56:02,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:56:02,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:56:02,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:56:02,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:56:02,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:56:02,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:56:02,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:56:02,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:56:02,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:56:02,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:56:02,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:56:02,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:56:02,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:56:02,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:56:02,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:56:02,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:56:02,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:56:02,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:56:02,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:56:02,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:56:02,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:56:02,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:56:02,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:56:02,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:56:02,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:56:02,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:56:02,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:56:02,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:56:02,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:56:02,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:56:02,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:56:02,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:56:02,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:56:02,194 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:56:02,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:56:02,196 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:56:02,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:56:02,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:56:02,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:56:02,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:56:02,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:56:02,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:56:02,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:56:02,199 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:56:02,200 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:56:02,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:56:02,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:56:02,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:56:02,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:56:02,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:56:02,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:56:02,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:56:02,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:56:02,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:56:02,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:56:02,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:56:02,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:56:02,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:56:02,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:56:02,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:56:02,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:56:02,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:56:02,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:56:02,747 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:56:02,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2022-10-15 21:56:02,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67b5c890e/4b1a230627334f46a7dd99f440901505/FLAG349484570 [2022-10-15 21:56:03,551 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:56:03,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2022-10-15 21:56:03,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67b5c890e/4b1a230627334f46a7dd99f440901505/FLAG349484570 [2022-10-15 21:56:03,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67b5c890e/4b1a230627334f46a7dd99f440901505 [2022-10-15 21:56:03,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:56:03,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:56:03,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:56:03,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:56:03,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:56:03,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:56:03" (1/1) ... [2022-10-15 21:56:03,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ec68fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:03, skipping insertion in model container [2022-10-15 21:56:03,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:56:03" (1/1) ... [2022-10-15 21:56:03,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:56:03,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:56:04,405 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_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2022-10-15 21:56:04,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:56:04,428 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:56:04,567 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_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2022-10-15 21:56:04,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:56:04,600 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:56:04,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04 WrapperNode [2022-10-15 21:56:04,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:56:04,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:56:04,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:56:04,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:56:04,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,724 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 489 [2022-10-15 21:56:04,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:56:04,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:56:04,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:56:04,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:56:04,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,771 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:56:04,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:56:04,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:56:04,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:56:04,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (1/1) ... [2022-10-15 21:56:04,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:56:04,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:56:04,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:56:04,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:56:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:56:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:56:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:56:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:56:05,093 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:56:05,096 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:56:05,899 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:56:05,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:56:05,914 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:56:05,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:56:05 BoogieIcfgContainer [2022-10-15 21:56:05,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:56:05,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:56:05,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:56:05,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:56:05,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:56:03" (1/3) ... [2022-10-15 21:56:05,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7203e51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:56:05, skipping insertion in model container [2022-10-15 21:56:05,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:04" (2/3) ... [2022-10-15 21:56:05,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7203e51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:56:05, skipping insertion in model container [2022-10-15 21:56:05,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:56:05" (3/3) ... [2022-10-15 21:56:05,927 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2022-10-15 21:56:05,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:56:05,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-15 21:56:06,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:56:06,035 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;@66916b9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:56:06,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-15 21:56:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 174 states have (on average 1.7701149425287357) internal successors, (308), 208 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:56:06,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:06,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:56:06,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:06,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:06,059 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:56:06,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:06,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346006763] [2022-10-15 21:56:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:06,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:06,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:06,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346006763] [2022-10-15 21:56:06,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346006763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:06,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:06,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 21:56:06,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921465928] [2022-10-15 21:56:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:06,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:56:06,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:56:06,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:56:06,406 INFO L87 Difference]: Start difference. First operand has 209 states, 174 states have (on average 1.7701149425287357) internal successors, (308), 208 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:06,502 INFO L93 Difference]: Finished difference Result 352 states and 508 transitions. [2022-10-15 21:56:06,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:56:06,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 21:56:06,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:06,531 INFO L225 Difference]: With dead ends: 352 [2022-10-15 21:56:06,532 INFO L226 Difference]: Without dead ends: 194 [2022-10-15 21:56:06,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:56:06,545 INFO L413 NwaCegarLoop]: 295 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, 295 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:06,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:06,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-10-15 21:56:06,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-10-15 21:56:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 170 states have (on average 1.7058823529411764) internal successors, (290), 193 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2022-10-15 21:56:06,661 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 4 [2022-10-15 21:56:06,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:06,662 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2022-10-15 21:56:06,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2022-10-15 21:56:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:56:06,666 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:06,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:06,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:56:06,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:06,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:06,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1990655788, now seen corresponding path program 1 times [2022-10-15 21:56:06,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:06,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267228812] [2022-10-15 21:56:06,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:06,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:07,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:07,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267228812] [2022-10-15 21:56:07,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267228812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:07,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:07,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:07,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456743025] [2022-10-15 21:56:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:07,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:07,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:07,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:07,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:07,022 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:07,157 INFO L93 Difference]: Finished difference Result 335 states and 486 transitions. [2022-10-15 21:56:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:07,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-15 21:56:07,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:07,161 INFO L225 Difference]: With dead ends: 335 [2022-10-15 21:56:07,162 INFO L226 Difference]: Without dead ends: 194 [2022-10-15 21:56:07,163 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 [2022-10-15 21:56:07,166 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 3 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:07,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1108 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:07,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-10-15 21:56:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-10-15 21:56:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 170 states have (on average 1.464705882352941) internal successors, (249), 193 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 249 transitions. [2022-10-15 21:56:07,196 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 249 transitions. Word has length 10 [2022-10-15 21:56:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:07,198 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 249 transitions. [2022-10-15 21:56:07,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions. [2022-10-15 21:56:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 21:56:07,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:07,202 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] [2022-10-15 21:56:07,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:56:07,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:07,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1689881012, now seen corresponding path program 1 times [2022-10-15 21:56:07,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:07,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459837541] [2022-10-15 21:56:07,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:07,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:07,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:07,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:07,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459837541] [2022-10-15 21:56:07,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459837541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:07,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:07,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:07,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846958689] [2022-10-15 21:56:07,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:07,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:07,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:07,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:07,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:07,455 INFO L87 Difference]: Start difference. First operand 194 states and 249 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:07,487 INFO L93 Difference]: Finished difference Result 455 states and 614 transitions. [2022-10-15 21:56:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:07,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-15 21:56:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:07,493 INFO L225 Difference]: With dead ends: 455 [2022-10-15 21:56:07,494 INFO L226 Difference]: Without dead ends: 318 [2022-10-15 21:56:07,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:07,506 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 176 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:07,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 616 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:07,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-10-15 21:56:07,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 296. [2022-10-15 21:56:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 272 states have (on average 1.5477941176470589) internal successors, (421), 295 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2022-10-15 21:56:07,547 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 60 [2022-10-15 21:56:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:07,548 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2022-10-15 21:56:07,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2022-10-15 21:56:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 21:56:07,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:07,554 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] [2022-10-15 21:56:07,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:56:07,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:07,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1291634743, now seen corresponding path program 1 times [2022-10-15 21:56:07,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:07,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48004247] [2022-10-15 21:56:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:07,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:07,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48004247] [2022-10-15 21:56:07,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48004247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:07,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:07,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:07,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296089789] [2022-10-15 21:56:07,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:07,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:07,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:07,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:07,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:07,833 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:07,887 INFO L93 Difference]: Finished difference Result 750 states and 1109 transitions. [2022-10-15 21:56:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:07,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-15 21:56:07,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:07,892 INFO L225 Difference]: With dead ends: 750 [2022-10-15 21:56:07,893 INFO L226 Difference]: Without dead ends: 511 [2022-10-15 21:56:07,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:07,900 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 176 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:07,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 606 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-10-15 21:56:07,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 487. [2022-10-15 21:56:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 463 states have (on average 1.6047516198704104) internal successors, (743), 486 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 743 transitions. [2022-10-15 21:56:07,928 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 743 transitions. Word has length 83 [2022-10-15 21:56:07,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:07,930 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 743 transitions. [2022-10-15 21:56:07,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 743 transitions. [2022-10-15 21:56:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 21:56:07,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:07,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:07,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:56:07,938 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:07,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:07,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1212952581, now seen corresponding path program 1 times [2022-10-15 21:56:07,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:07,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183711562] [2022-10-15 21:56:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:08,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183711562] [2022-10-15 21:56:08,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183711562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:08,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:08,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868154909] [2022-10-15 21:56:08,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:08,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:08,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:08,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:08,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,056 INFO L87 Difference]: Start difference. First operand 487 states and 743 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:08,102 INFO L93 Difference]: Finished difference Result 1299 states and 2035 transitions. [2022-10-15 21:56:08,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:08,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-15 21:56:08,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:08,110 INFO L225 Difference]: With dead ends: 1299 [2022-10-15 21:56:08,110 INFO L226 Difference]: Without dead ends: 869 [2022-10-15 21:56:08,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,113 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 171 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:08,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 597 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2022-10-15 21:56:08,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 845. [2022-10-15 21:56:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 821 states have (on average 1.6382460414129112) internal successors, (1345), 844 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1345 transitions. [2022-10-15 21:56:08,186 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1345 transitions. Word has length 84 [2022-10-15 21:56:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:08,187 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1345 transitions. [2022-10-15 21:56:08,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1345 transitions. [2022-10-15 21:56:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:56:08,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:08,190 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] [2022-10-15 21:56:08,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:56:08,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:08,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:08,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1992374311, now seen corresponding path program 1 times [2022-10-15 21:56:08,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:08,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108633917] [2022-10-15 21:56:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:08,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:08,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:08,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108633917] [2022-10-15 21:56:08,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108633917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:08,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:08,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:08,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733334033] [2022-10-15 21:56:08,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:08,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:08,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:08,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:08,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,322 INFO L87 Difference]: Start difference. First operand 845 states and 1345 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:08,398 INFO L93 Difference]: Finished difference Result 2325 states and 3761 transitions. [2022-10-15 21:56:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:08,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-15 21:56:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:08,412 INFO L225 Difference]: With dead ends: 2325 [2022-10-15 21:56:08,412 INFO L226 Difference]: Without dead ends: 1537 [2022-10-15 21:56:08,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,419 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 166 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:08,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 588 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:08,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2022-10-15 21:56:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1513. [2022-10-15 21:56:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1489 states have (on average 1.6554734721289457) internal successors, (2465), 1512 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2465 transitions. [2022-10-15 21:56:08,509 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2465 transitions. Word has length 85 [2022-10-15 21:56:08,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:08,511 INFO L495 AbstractCegarLoop]: Abstraction has 1513 states and 2465 transitions. [2022-10-15 21:56:08,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2465 transitions. [2022-10-15 21:56:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:56:08,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:08,518 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] [2022-10-15 21:56:08,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:56:08,519 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:08,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:08,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1477018859, now seen corresponding path program 1 times [2022-10-15 21:56:08,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:08,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802237950] [2022-10-15 21:56:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:08,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:08,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:08,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802237950] [2022-10-15 21:56:08,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802237950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:08,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:08,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:08,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311343803] [2022-10-15 21:56:08,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:08,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:08,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:08,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,677 INFO L87 Difference]: Start difference. First operand 1513 states and 2465 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:08,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:08,830 INFO L93 Difference]: Finished difference Result 4233 states and 6961 transitions. [2022-10-15 21:56:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:08,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-15 21:56:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:08,848 INFO L225 Difference]: With dead ends: 4233 [2022-10-15 21:56:08,848 INFO L226 Difference]: Without dead ends: 2777 [2022-10-15 21:56:08,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:08,855 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 161 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:08,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 579 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:08,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2777 states. [2022-10-15 21:56:08,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2777 to 2753. [2022-10-15 21:56:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2729 states have (on average 1.6625137412971784) internal successors, (4537), 2752 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 4537 transitions. [2022-10-15 21:56:09,009 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 4537 transitions. Word has length 86 [2022-10-15 21:56:09,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:09,010 INFO L495 AbstractCegarLoop]: Abstraction has 2753 states and 4537 transitions. [2022-10-15 21:56:09,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 4537 transitions. [2022-10-15 21:56:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:56:09,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:09,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:09,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:56:09,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:09,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1382762473, now seen corresponding path program 1 times [2022-10-15 21:56:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:09,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111409580] [2022-10-15 21:56:09,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:09,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:09,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:09,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111409580] [2022-10-15 21:56:09,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111409580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:09,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:09,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:09,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547932152] [2022-10-15 21:56:09,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:09,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:09,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:09,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:09,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:09,148 INFO L87 Difference]: Start difference. First operand 2753 states and 4537 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:09,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:09,440 INFO L93 Difference]: Finished difference Result 7761 states and 12857 transitions. [2022-10-15 21:56:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:09,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 21:56:09,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:09,470 INFO L225 Difference]: With dead ends: 7761 [2022-10-15 21:56:09,470 INFO L226 Difference]: Without dead ends: 5065 [2022-10-15 21:56:09,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:09,478 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 156 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:09,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 570 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:09,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5065 states. [2022-10-15 21:56:09,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5065 to 5041. [2022-10-15 21:56:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 5017 states have (on average 1.6633446282639028) internal successors, (8345), 5040 states have internal predecessors, (8345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 8345 transitions. [2022-10-15 21:56:09,869 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 8345 transitions. Word has length 87 [2022-10-15 21:56:09,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:09,870 INFO L495 AbstractCegarLoop]: Abstraction has 5041 states and 8345 transitions. [2022-10-15 21:56:09,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 8345 transitions. [2022-10-15 21:56:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:56:09,871 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:09,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:09,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:56:09,877 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:09,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:09,881 INFO L85 PathProgramCache]: Analyzing trace with hash 675870245, now seen corresponding path program 1 times [2022-10-15 21:56:09,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:09,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217791658] [2022-10-15 21:56:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:09,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:10,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:10,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:10,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217791658] [2022-10-15 21:56:10,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217791658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:10,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:10,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:10,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548285766] [2022-10-15 21:56:10,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:10,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:10,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:10,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:10,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:10,059 INFO L87 Difference]: Start difference. First operand 5041 states and 8345 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:10,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:10,882 INFO L93 Difference]: Finished difference Result 15007 states and 24921 transitions. [2022-10-15 21:56:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:10,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 21:56:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:10,998 INFO L225 Difference]: With dead ends: 15007 [2022-10-15 21:56:10,998 INFO L226 Difference]: Without dead ends: 15005 [2022-10-15 21:56:11,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:11,011 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 576 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:11,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 549 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:11,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15005 states. [2022-10-15 21:56:11,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15005 to 10001. [2022-10-15 21:56:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10001 states, 9977 states have (on average 1.6543049012729278) internal successors, (16505), 10000 states have internal predecessors, (16505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10001 states to 10001 states and 16505 transitions. [2022-10-15 21:56:11,894 INFO L78 Accepts]: Start accepts. Automaton has 10001 states and 16505 transitions. Word has length 88 [2022-10-15 21:56:11,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:11,895 INFO L495 AbstractCegarLoop]: Abstraction has 10001 states and 16505 transitions. [2022-10-15 21:56:11,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10001 states and 16505 transitions. [2022-10-15 21:56:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 21:56:11,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:11,896 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] [2022-10-15 21:56:11,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:56:11,901 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:11,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash -522858224, now seen corresponding path program 1 times [2022-10-15 21:56:11,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:11,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652810230] [2022-10-15 21:56:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:12,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652810230] [2022-10-15 21:56:12,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652810230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:12,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:12,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:12,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356416756] [2022-10-15 21:56:12,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:12,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:12,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:12,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:12,062 INFO L87 Difference]: Start difference. First operand 10001 states and 16505 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:13,094 INFO L93 Difference]: Finished difference Result 14983 states and 24793 transitions. [2022-10-15 21:56:13,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:13,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-15 21:56:13,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:13,144 INFO L225 Difference]: With dead ends: 14983 [2022-10-15 21:56:13,145 INFO L226 Difference]: Without dead ends: 14981 [2022-10-15 21:56:13,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:13,152 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 575 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:13,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 380 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14981 states. [2022-10-15 21:56:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14981 to 14961. [2022-10-15 21:56:14,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14961 states, 14937 states have (on average 1.6426993372163086) internal successors, (24537), 14960 states have internal predecessors, (24537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14961 states to 14961 states and 24537 transitions. [2022-10-15 21:56:14,298 INFO L78 Accepts]: Start accepts. Automaton has 14961 states and 24537 transitions. Word has length 89 [2022-10-15 21:56:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:14,299 INFO L495 AbstractCegarLoop]: Abstraction has 14961 states and 24537 transitions. [2022-10-15 21:56:14,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 14961 states and 24537 transitions. [2022-10-15 21:56:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:56:14,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:14,301 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] [2022-10-15 21:56:14,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:56:14,303 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:14,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:14,304 INFO L85 PathProgramCache]: Analyzing trace with hash 971264903, now seen corresponding path program 1 times [2022-10-15 21:56:14,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:14,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842695101] [2022-10-15 21:56:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:14,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:14,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842695101] [2022-10-15 21:56:14,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842695101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:14,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:14,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:14,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043218824] [2022-10-15 21:56:14,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:14,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:14,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:14,472 INFO L87 Difference]: Start difference. First operand 14961 states and 24537 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,833 INFO L93 Difference]: Finished difference Result 24941 states and 40729 transitions. [2022-10-15 21:56:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:56:15,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2022-10-15 21:56:15,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,915 INFO L225 Difference]: With dead ends: 24941 [2022-10-15 21:56:15,915 INFO L226 Difference]: Without dead ends: 24939 [2022-10-15 21:56:15,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:15,926 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 976 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 874 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24939 states. [2022-10-15 21:56:17,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24939 to 19921. [2022-10-15 21:56:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19921 states, 19897 states have (on average 1.6304468010252802) internal successors, (32441), 19920 states have internal predecessors, (32441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19921 states to 19921 states and 32441 transitions. [2022-10-15 21:56:17,314 INFO L78 Accepts]: Start accepts. Automaton has 19921 states and 32441 transitions. Word has length 90 [2022-10-15 21:56:17,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:17,314 INFO L495 AbstractCegarLoop]: Abstraction has 19921 states and 32441 transitions. [2022-10-15 21:56:17,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19921 states and 32441 transitions. [2022-10-15 21:56:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:56:17,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:17,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:17,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:56:17,317 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:17,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash 44441586, now seen corresponding path program 1 times [2022-10-15 21:56:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:17,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171041637] [2022-10-15 21:56:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:17,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:17,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171041637] [2022-10-15 21:56:17,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171041637] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:17,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:17,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:17,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312825366] [2022-10-15 21:56:17,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:17,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:17,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:17,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:17,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:17,465 INFO L87 Difference]: Start difference. First operand 19921 states and 32441 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:18,818 INFO L93 Difference]: Finished difference Result 24921 states and 40601 transitions. [2022-10-15 21:56:18,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:56:18,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:56:18,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:18,905 INFO L225 Difference]: With dead ends: 24921 [2022-10-15 21:56:18,906 INFO L226 Difference]: Without dead ends: 24919 [2022-10-15 21:56:18,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:18,920 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1132 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:18,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 566 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:19,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24919 states. [2022-10-15 21:56:20,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24919 to 24881. [2022-10-15 21:56:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24881 states, 24857 states have (on average 1.617934585830953) internal successors, (40217), 24880 states have internal predecessors, (40217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24881 states to 24881 states and 40217 transitions. [2022-10-15 21:56:20,681 INFO L78 Accepts]: Start accepts. Automaton has 24881 states and 40217 transitions. Word has length 91 [2022-10-15 21:56:20,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:20,682 INFO L495 AbstractCegarLoop]: Abstraction has 24881 states and 40217 transitions. [2022-10-15 21:56:20,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24881 states and 40217 transitions. [2022-10-15 21:56:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:56:20,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:20,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:20,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:56:20,685 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:20,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1377689833, now seen corresponding path program 1 times [2022-10-15 21:56:20,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:20,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923860925] [2022-10-15 21:56:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:20,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:20,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923860925] [2022-10-15 21:56:20,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923860925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:20,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:20,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:20,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442169230] [2022-10-15 21:56:20,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:20,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:56:20,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:56:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:56:20,892 INFO L87 Difference]: Start difference. First operand 24881 states and 40217 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:22,586 INFO L93 Difference]: Finished difference Result 39831 states and 64185 transitions. [2022-10-15 21:56:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:56:22,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 21:56:22,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:22,696 INFO L225 Difference]: With dead ends: 39831 [2022-10-15 21:56:22,696 INFO L226 Difference]: Without dead ends: 39829 [2022-10-15 21:56:22,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:56:22,719 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1358 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:22,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1334 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39829 states. [2022-10-15 21:56:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39829 to 29841. [2022-10-15 21:56:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29841 states, 29817 states have (on average 1.6052922829258476) internal successors, (47865), 29840 states have internal predecessors, (47865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29841 states to 29841 states and 47865 transitions. [2022-10-15 21:56:24,459 INFO L78 Accepts]: Start accepts. Automaton has 29841 states and 47865 transitions. Word has length 92 [2022-10-15 21:56:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:24,459 INFO L495 AbstractCegarLoop]: Abstraction has 29841 states and 47865 transitions. [2022-10-15 21:56:24,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 29841 states and 47865 transitions. [2022-10-15 21:56:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 21:56:24,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:24,461 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] [2022-10-15 21:56:24,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:56:24,462 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:24,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:24,462 INFO L85 PathProgramCache]: Analyzing trace with hash -241287468, now seen corresponding path program 1 times [2022-10-15 21:56:24,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:24,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070341561] [2022-10-15 21:56:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:24,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:24,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:24,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070341561] [2022-10-15 21:56:24,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070341561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:24,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:24,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293781219] [2022-10-15 21:56:24,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:24,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:56:24,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:24,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:56:24,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:56:24,649 INFO L87 Difference]: Start difference. First operand 29841 states and 47865 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:26,651 INFO L93 Difference]: Finished difference Result 39817 states and 63801 transitions. [2022-10-15 21:56:26,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:56:26,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-15 21:56:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:26,732 INFO L225 Difference]: With dead ends: 39817 [2022-10-15 21:56:26,733 INFO L226 Difference]: Without dead ends: 39815 [2022-10-15 21:56:26,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:56:26,749 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1517 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:26,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 890 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39815 states. [2022-10-15 21:56:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39815 to 39761. [2022-10-15 21:56:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39761 states, 39737 states have (on average 1.592696982660996) internal successors, (63289), 39760 states have internal predecessors, (63289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39761 states to 39761 states and 63289 transitions. [2022-10-15 21:56:28,685 INFO L78 Accepts]: Start accepts. Automaton has 39761 states and 63289 transitions. Word has length 93 [2022-10-15 21:56:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:28,685 INFO L495 AbstractCegarLoop]: Abstraction has 39761 states and 63289 transitions. [2022-10-15 21:56:28,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 39761 states and 63289 transitions. [2022-10-15 21:56:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:56:28,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:28,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:28,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:56:28,687 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:28,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:28,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1110023755, now seen corresponding path program 1 times [2022-10-15 21:56:28,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:28,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917270481] [2022-10-15 21:56:28,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:28,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:28,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:28,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917270481] [2022-10-15 21:56:28,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917270481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:28,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:28,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:56:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118403722] [2022-10-15 21:56:28,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:28,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:56:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:56:28,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:28,833 INFO L87 Difference]: Start difference. First operand 39761 states and 63289 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:31,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:31,402 INFO L93 Difference]: Finished difference Result 59677 states and 94905 transitions. [2022-10-15 21:56:31,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:56:31,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-15 21:56:31,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:31,508 INFO L225 Difference]: With dead ends: 59677 [2022-10-15 21:56:31,509 INFO L226 Difference]: Without dead ends: 59675 [2022-10-15 21:56:31,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:56:31,525 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 1722 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1722 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:31,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1722 Valid, 1929 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:56:31,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59675 states. [2022-10-15 21:56:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59675 to 44721. [2022-10-15 21:56:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44721 states, 44697 states have (on average 1.5813365550260643) internal successors, (70681), 44720 states have internal predecessors, (70681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44721 states to 44721 states and 70681 transitions. [2022-10-15 21:56:33,693 INFO L78 Accepts]: Start accepts. Automaton has 44721 states and 70681 transitions. Word has length 94 [2022-10-15 21:56:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:33,693 INFO L495 AbstractCegarLoop]: Abstraction has 44721 states and 70681 transitions. [2022-10-15 21:56:33,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 44721 states and 70681 transitions. [2022-10-15 21:56:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 21:56:33,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:33,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:33,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:56:33,696 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:33,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:33,696 INFO L85 PathProgramCache]: Analyzing trace with hash 50998710, now seen corresponding path program 1 times [2022-10-15 21:56:33,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:33,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465818510] [2022-10-15 21:56:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:33,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:33,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:33,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465818510] [2022-10-15 21:56:33,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465818510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:33,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:33,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:56:33,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645539150] [2022-10-15 21:56:33,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:33,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:56:33,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:33,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:56:33,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:33,854 INFO L87 Difference]: Start difference. First operand 44721 states and 70681 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:36,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:36,877 INFO L93 Difference]: Finished difference Result 59671 states and 94009 transitions. [2022-10-15 21:56:36,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:56:36,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-15 21:56:36,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:36,971 INFO L225 Difference]: With dead ends: 59671 [2022-10-15 21:56:36,971 INFO L226 Difference]: Without dead ends: 59669 [2022-10-15 21:56:36,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:56:36,988 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1886 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:36,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1886 Valid, 1350 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:56:37,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59669 states. [2022-10-15 21:56:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59669 to 59601. [2022-10-15 21:56:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59601 states, 59577 states have (on average 1.5671987511959313) internal successors, (93369), 59600 states have internal predecessors, (93369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59601 states to 59601 states and 93369 transitions. [2022-10-15 21:56:39,574 INFO L78 Accepts]: Start accepts. Automaton has 59601 states and 93369 transitions. Word has length 95 [2022-10-15 21:56:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:39,575 INFO L495 AbstractCegarLoop]: Abstraction has 59601 states and 93369 transitions. [2022-10-15 21:56:39,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 59601 states and 93369 transitions. [2022-10-15 21:56:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:56:39,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:39,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:39,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:56:39,576 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:39,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1580960685, now seen corresponding path program 1 times [2022-10-15 21:56:39,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:39,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009218111] [2022-10-15 21:56:39,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:39,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:39,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:39,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009218111] [2022-10-15 21:56:39,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009218111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:39,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:39,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:56:39,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235381785] [2022-10-15 21:56:39,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:39,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:56:39,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:39,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:56:39,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:39,784 INFO L87 Difference]: Start difference. First operand 59601 states and 93369 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:43,751 INFO L93 Difference]: Finished difference Result 144021 states and 225817 transitions. [2022-10-15 21:56:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:56:43,752 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-15 21:56:43,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:43,915 INFO L225 Difference]: With dead ends: 144021 [2022-10-15 21:56:43,915 INFO L226 Difference]: Without dead ends: 84477 [2022-10-15 21:56:43,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:56:43,993 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 2056 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 2657 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:43,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 2657 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:56:44,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84477 states. [2022-10-15 21:56:47,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84477 to 64561. [2022-10-15 21:56:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64561 states, 64537 states have (on average 1.5553403473976168) internal successors, (100377), 64560 states have internal predecessors, (100377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64561 states to 64561 states and 100377 transitions. [2022-10-15 21:56:47,239 INFO L78 Accepts]: Start accepts. Automaton has 64561 states and 100377 transitions. Word has length 96 [2022-10-15 21:56:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:47,239 INFO L495 AbstractCegarLoop]: Abstraction has 64561 states and 100377 transitions. [2022-10-15 21:56:47,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 64561 states and 100377 transitions. [2022-10-15 21:56:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 21:56:47,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:47,241 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] [2022-10-15 21:56:47,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:56:47,241 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 21:56:47,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1765141656, now seen corresponding path program 1 times [2022-10-15 21:56:47,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:47,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208076069] [2022-10-15 21:56:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:47,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:47,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208076069] [2022-10-15 21:56:47,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208076069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:47,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:47,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:56:47,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624400769] [2022-10-15 21:56:47,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:47,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:56:47,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:47,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:56:47,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:47,415 INFO L87 Difference]: Start difference. First operand 64561 states and 100377 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:52,616 INFO L93 Difference]: Finished difference Result 119263 states and 186425 transitions. [2022-10-15 21:56:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 21:56:52,617 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-15 21:56:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:52,837 INFO L225 Difference]: With dead ends: 119263 [2022-10-15 21:56:52,838 INFO L226 Difference]: Without dead ends: 119261 [2022-10-15 21:56:52,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:56:52,868 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 2795 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:52,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 2481 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:56:52,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119261 states.