/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/termination-15/cstrcat_mixed_alloca.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:09:07,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:09:07,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:09:07,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:09:07,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:09:07,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:09:07,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:09:07,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:09:07,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:09:07,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:09:07,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:09:07,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:09:07,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:09:07,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:09:07,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:09:07,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:09:07,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:09:07,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:09:07,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:09:07,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:09:07,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:09:07,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:09:07,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:09:07,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:09:07,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 17:09:07,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 17:09:07,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 17:09:07,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 17:09:07,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 17:09:07,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 17:09:07,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:09:07,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:09:07,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:09:07,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:09:07,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:09:07,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:09:07,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:09:07,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:09:07,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:09:07,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:09:07,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:09:07,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:09:08,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:09:08,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:09:08,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:09:08,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:09:08,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:09:08,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:09:08,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:09:08,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:09:08,060 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:09:08,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:09:08,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:09:08,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:09:08,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:09:08,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:09:08,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:09:08,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:09:08,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:09:08,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:09:08,064 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:09:08,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:09:08,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:09:08,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:09:08,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:09:08,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:09:08,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:09:08,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:09:08,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:09:08,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:09:08,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:09:08,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:09:08,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:09:08,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:09:08,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:09:08,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:09:08,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:09:08,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:09:08,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:09:08,552 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:09:08,552 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:09:08,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcat_mixed_alloca.i [2022-10-16 17:09:08,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ee573fa/f183447514a74f08aa24b1ee07acabc3/FLAGfdf81792a [2022-10-16 17:09:09,451 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:09:09,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcat_mixed_alloca.i [2022-10-16 17:09:09,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ee573fa/f183447514a74f08aa24b1ee07acabc3/FLAGfdf81792a [2022-10-16 17:09:09,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ee573fa/f183447514a74f08aa24b1ee07acabc3 [2022-10-16 17:09:09,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:09:09,736 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:09:09,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:09:09,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:09:09,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:09:09,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:09:09" (1/1) ... [2022-10-16 17:09:09,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171d45c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:09, skipping insertion in model container [2022-10-16 17:09:09,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:09:09" (1/1) ... [2022-10-16 17:09:09,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:09:09,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:09:10,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:09:10,179 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:09:10,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:09:10,271 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:09:10,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10 WrapperNode [2022-10-16 17:09:10,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:09:10,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:09:10,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:09:10,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:09:10,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,344 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-10-16 17:09:10,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:09:10,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:09:10,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:09:10,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:09:10,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,402 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:09:10,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:09:10,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:09:10,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:09:10,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (1/1) ... [2022-10-16 17:09:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:09:10,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:09:10,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:09:10,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:09:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 17:09:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 17:09:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 17:09:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 17:09:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:09:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:09:10,659 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:09:10,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:09:11,008 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:09:11,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:09:11,018 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 17:09:11,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:09:11 BoogieIcfgContainer [2022-10-16 17:09:11,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:09:11,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:09:11,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:09:11,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:09:11,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:09:09" (1/3) ... [2022-10-16 17:09:11,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd0a8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:09:11, skipping insertion in model container [2022-10-16 17:09:11,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:09:10" (2/3) ... [2022-10-16 17:09:11,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd0a8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:09:11, skipping insertion in model container [2022-10-16 17:09:11,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:09:11" (3/3) ... [2022-10-16 17:09:11,035 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcat_mixed_alloca.i [2022-10-16 17:09:11,061 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:09:11,061 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 17:09:11,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:09:11,176 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;@1244b3a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:09:11,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 17:09:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 20 states have (on average 1.7) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:09:11,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:11,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:09:11,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:11,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:11,206 INFO L85 PathProgramCache]: Analyzing trace with hash 889510797, now seen corresponding path program 1 times [2022-10-16 17:09:11,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:11,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471119921] [2022-10-16 17:09:11,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:11,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:11,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471119921] [2022-10-16 17:09:11,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471119921] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:11,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:11,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:09:11,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713645832] [2022-10-16 17:09:11,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:11,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:09:11,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:11,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:09:11,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:09:11,622 INFO L87 Difference]: Start difference. First operand has 27 states, 20 states have (on average 1.7) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:11,730 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2022-10-16 17:09:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 17:09:11,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-16 17:09:11,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:11,742 INFO L225 Difference]: With dead ends: 57 [2022-10-16 17:09:11,742 INFO L226 Difference]: Without dead ends: 31 [2022-10-16 17:09:11,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:09:11,750 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 48 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:11,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 63 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:09:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-10-16 17:09:11,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 20. [2022-10-16 17:09:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-10-16 17:09:11,790 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 6 [2022-10-16 17:09:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:11,790 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-10-16 17:09:11,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-10-16 17:09:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 17:09:11,792 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:11,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 17:09:11,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:09:11,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:11,793 INFO L85 PathProgramCache]: Analyzing trace with hash 889512719, now seen corresponding path program 1 times [2022-10-16 17:09:11,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:11,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820546696] [2022-10-16 17:09:11,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:11,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:11,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:11,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820546696] [2022-10-16 17:09:11,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820546696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:11,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:11,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:09:11,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187913871] [2022-10-16 17:09:11,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:11,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:09:11,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:11,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:09:11,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:09:11,884 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:11,943 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-10-16 17:09:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:09:11,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-16 17:09:11,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:11,946 INFO L225 Difference]: With dead ends: 20 [2022-10-16 17:09:11,946 INFO L226 Difference]: Without dead ends: 19 [2022-10-16 17:09:11,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:09:11,949 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 25 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:11,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 13 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:11,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-10-16 17:09:11,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2022-10-16 17:09:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-10-16 17:09:11,959 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 6 [2022-10-16 17:09:11,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:11,960 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-10-16 17:09:11,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-10-16 17:09:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 17:09:11,961 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:11,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:11,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:09:11,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:11,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:11,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1805030985, now seen corresponding path program 1 times [2022-10-16 17:09:11,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:11,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521198539] [2022-10-16 17:09:11,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:11,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:12,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:12,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521198539] [2022-10-16 17:09:12,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521198539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:12,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:12,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:09:12,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576147229] [2022-10-16 17:09:12,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:12,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:09:12,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:12,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:09:12,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:09:12,077 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,144 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-10-16 17:09:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:09:12,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-16 17:09:12,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,146 INFO L225 Difference]: With dead ends: 28 [2022-10-16 17:09:12,146 INFO L226 Difference]: Without dead ends: 27 [2022-10-16 17:09:12,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:09:12,149 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 32 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-10-16 17:09:12,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2022-10-16 17:09:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.5) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-10-16 17:09:12,155 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 7 [2022-10-16 17:09:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:12,155 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-10-16 17:09:12,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-10-16 17:09:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-16 17:09:12,157 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:12,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:12,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:09:12,157 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:12,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:12,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1805032907, now seen corresponding path program 1 times [2022-10-16 17:09:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:12,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385982881] [2022-10-16 17:09:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:12,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:12,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:12,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385982881] [2022-10-16 17:09:12,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385982881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:12,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:12,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:09:12,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450426004] [2022-10-16 17:09:12,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:12,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 17:09:12,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:12,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 17:09:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 17:09:12,214 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,264 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-10-16 17:09:12,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 17:09:12,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-10-16 17:09:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,266 INFO L225 Difference]: With dead ends: 20 [2022-10-16 17:09:12,266 INFO L226 Difference]: Without dead ends: 18 [2022-10-16 17:09:12,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:09:12,272 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 20 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 13 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-10-16 17:09:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2022-10-16 17:09:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-10-16 17:09:12,284 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 7 [2022-10-16 17:09:12,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:12,284 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-10-16 17:09:12,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-10-16 17:09:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 17:09:12,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:12,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:12,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:09:12,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:12,289 INFO L85 PathProgramCache]: Analyzing trace with hash 687586868, now seen corresponding path program 1 times [2022-10-16 17:09:12,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:12,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173221509] [2022-10-16 17:09:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:12,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:12,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173221509] [2022-10-16 17:09:12,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173221509] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:12,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:12,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:09:12,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617695468] [2022-10-16 17:09:12,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:12,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:09:12,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:12,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:09:12,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,431 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-10-16 17:09:12,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,450 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-10-16 17:09:12,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:09:12,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 [2022-10-16 17:09:12,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,453 INFO L225 Difference]: With dead ends: 15 [2022-10-16 17:09:12,453 INFO L226 Difference]: Without dead ends: 14 [2022-10-16 17:09:12,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,458 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:12,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-10-16 17:09:12,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-10-16 17:09:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-10-16 17:09:12,471 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 10 [2022-10-16 17:09:12,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:12,471 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-10-16 17:09:12,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-10-16 17:09:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-16 17:09:12,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 17:09:12,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:12,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:12,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:09:12,477 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:12,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash -159643507, now seen corresponding path program 1 times [2022-10-16 17:09:12,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:12,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372174076] [2022-10-16 17:09:12,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:12,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:12,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:12,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372174076] [2022-10-16 17:09:12,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372174076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:12,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:12,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:09:12,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575625200] [2022-10-16 17:09:12,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:12,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:09:12,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:12,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:09:12,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,561 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,576 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-10-16 17:09:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:09:12,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 17:09:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,578 INFO L225 Difference]: With dead ends: 24 [2022-10-16 17:09:12,578 INFO L226 Difference]: Without dead ends: 23 [2022-10-16 17:09:12,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,580 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:12,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-10-16 17:09:12,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-10-16 17:09:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-10-16 17:09:12,586 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 11 [2022-10-16 17:09:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:12,586 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-10-16 17:09:12,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-10-16 17:09:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 17:09:12,588 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:12,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:12,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:09:12,589 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash 520414863, now seen corresponding path program 1 times [2022-10-16 17:09:12,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:12,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183650145] [2022-10-16 17:09:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:12,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:12,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183650145] [2022-10-16 17:09:12,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183650145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:12,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:12,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:09:12,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411936436] [2022-10-16 17:09:12,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:12,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:09:12,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:12,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:09:12,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,696 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,705 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2022-10-16 17:09:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:09:12,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 17:09:12,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,707 INFO L225 Difference]: With dead ends: 22 [2022-10-16 17:09:12,707 INFO L226 Difference]: Without dead ends: 21 [2022-10-16 17:09:12,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,709 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:12,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-10-16 17:09:12,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 13. [2022-10-16 17:09:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-10-16 17:09:12,713 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 11 [2022-10-16 17:09:12,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:12,714 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-10-16 17:09:12,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-10-16 17:09:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 17:09:12,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:09:12,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:12,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:09:12,716 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 17:09:12,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:09:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash -653981354, now seen corresponding path program 1 times [2022-10-16 17:09:12,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:09:12,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896578362] [2022-10-16 17:09:12,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:09:12,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:09:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:09:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:09:12,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:09:12,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896578362] [2022-10-16 17:09:12,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896578362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:09:12,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:09:12,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 17:09:12,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132039851] [2022-10-16 17:09:12,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:09:12,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:09:12,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:09:12,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:09:12,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,769 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,777 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-10-16 17:09:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:09:12,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-10-16 17:09:12,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:12,779 INFO L225 Difference]: With dead ends: 13 [2022-10-16 17:09:12,779 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 17:09:12,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:09:12,781 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:12,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:09:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 17:09:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 17:09:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 17:09:12,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-10-16 17:09:12,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:09:12,784 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 17:09:12,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:09:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 17:09:12,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 17:09:12,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-10-16 17:09:12,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-10-16 17:09:12,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-10-16 17:09:12,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-10-16 17:09:12,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-10-16 17:09:12,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-10-16 17:09:12,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:09:12,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 17:09:12,803 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-10-16 17:09:12,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 389) no Hoare annotation was computed. [2022-10-16 17:09:12,803 INFO L899 garLoopResultBuilder]: For program point L391(line 391) no Hoare annotation was computed. [2022-10-16 17:09:12,804 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2022-10-16 17:09:12,804 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 17:09:12,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2022-10-16 17:09:12,804 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 383 385) no Hoare annotation was computed. [2022-10-16 17:09:12,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 17:09:12,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2022-10-16 17:09:12,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 17:09:12,805 INFO L902 garLoopResultBuilder]: At program point L371(lines 364 372) the Hoare annotation is: true [2022-10-16 17:09:12,806 INFO L899 garLoopResultBuilder]: For program point L367-1(lines 367 368) no Hoare annotation was computed. [2022-10-16 17:09:12,806 INFO L902 garLoopResultBuilder]: At program point L367-3(lines 367 368) the Hoare annotation is: true [2022-10-16 17:09:12,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2022-10-16 17:09:12,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 17:09:12,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2022-10-16 17:09:12,807 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 373 394) no Hoare annotation was computed. [2022-10-16 17:09:12,807 INFO L902 garLoopResultBuilder]: At program point L393(lines 373 394) the Hoare annotation is: true [2022-10-16 17:09:12,807 INFO L899 garLoopResultBuilder]: For program point L389(line 389) no Hoare annotation was computed. [2022-10-16 17:09:12,807 INFO L899 garLoopResultBuilder]: For program point L389-1(line 389) no Hoare annotation was computed. [2022-10-16 17:09:12,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 389) no Hoare annotation was computed. [2022-10-16 17:09:12,808 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-10-16 17:09:12,808 INFO L899 garLoopResultBuilder]: For program point L377-2(lines 373 394) no Hoare annotation was computed. [2022-10-16 17:09:12,808 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 370) no Hoare annotation was computed. [2022-10-16 17:09:12,811 INFO L902 garLoopResultBuilder]: At program point L369-2(lines 365 372) the Hoare annotation is: true [2022-10-16 17:09:12,811 INFO L899 garLoopResultBuilder]: For program point L369-3(lines 369 370) no Hoare annotation was computed. [2022-10-16 17:09:12,811 INFO L899 garLoopResultBuilder]: For program point L386(line 386) no Hoare annotation was computed. [2022-10-16 17:09:12,820 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:09:12,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 17:09:12,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:09:12 BoogieIcfgContainer [2022-10-16 17:09:12,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 17:09:12,840 INFO L158 Benchmark]: Toolchain (without parser) took 3108.10ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 51.2MB in the end (delta: 73.4MB). Peak memory consumption was 73.9MB. Max. memory is 8.0GB. [2022-10-16 17:09:12,841 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 121.2MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 17:09:12,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.47ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 107.4MB in the end (delta: 17.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-10-16 17:09:12,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.65ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 105.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 17:09:12,842 INFO L158 Benchmark]: Boogie Preprocessor took 69.46ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 17:09:12,843 INFO L158 Benchmark]: RCFGBuilder took 607.91ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 125.7MB in the end (delta: -21.6MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-10-16 17:09:12,843 INFO L158 Benchmark]: TraceAbstraction took 1811.84ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 51.2MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2022-10-16 17:09:12,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory was 121.3MB in the beginning and 121.2MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 532.47ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 107.4MB in the end (delta: 17.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.65ms. Allocated memory is still 151.0MB. Free memory was 107.4MB in the beginning and 105.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.46ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 607.91ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 125.7MB in the end (delta: -21.6MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1811.84ms. Allocated memory is still 151.0MB. Free memory was 124.6MB in the beginning and 51.2MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 389]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 389]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 98 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 33 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-16 17:09:12,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...