/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:14:31,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:14:31,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:14:31,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:14:31,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:14:31,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:14:31,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:14:31,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:14:31,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:14:31,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:14:31,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:14:31,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:14:31,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:14:31,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:14:31,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:14:31,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:14:31,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:14:31,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:14:31,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:14:31,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:14:31,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:14:31,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:14:31,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:14:31,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:14:31,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:14:31,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:14:31,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:14:31,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:14:31,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:14:31,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:14:31,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:14:31,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:14:31,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:14:31,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:14:31,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:14:31,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:14:31,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:14:31,276 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:14:31,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:14:31,277 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:14:31,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:14:31,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:14:31,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:14:31,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:14:31,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:14:31,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:14:31,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:14:31,279 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:14:31,280 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:14:31,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:14:31,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:14:31,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:14:31,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:14:31,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:14:31,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:14:31,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:14:31,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:14:31,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:14:31,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:14:31,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:14:31,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:14:31,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:14:31,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:14:31,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:14:31,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:14:31,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:14:31,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:14:31,763 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:14:31,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:14:31,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b8c539e/866a5a1530684cfaa32c72e684a05287/FLAG51559bc8c [2022-10-16 16:14:32,508 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:14:32,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:14:32,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b8c539e/866a5a1530684cfaa32c72e684a05287/FLAG51559bc8c [2022-10-16 16:14:32,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b8c539e/866a5a1530684cfaa32c72e684a05287 [2022-10-16 16:14:32,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:14:32,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:14:32,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:14:32,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:14:32,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:14:32,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:14:32" (1/1) ... [2022-10-16 16:14:32,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e5f10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:32, skipping insertion in model container [2022-10-16 16:14:32,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:14:32" (1/1) ... [2022-10-16 16:14:32,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:14:32,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:14:33,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7401,7414] [2022-10-16 16:14:33,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:14:33,286 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:14:33,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7401,7414] [2022-10-16 16:14:33,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:14:33,491 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:14:33,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33 WrapperNode [2022-10-16 16:14:33,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:14:33,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:14:33,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:14:33,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:14:33,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,601 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 652 [2022-10-16 16:14:33,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:14:33,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:14:33,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:14:33,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:14:33,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:14:33,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:14:33,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:14:33,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:14:33,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (1/1) ... [2022-10-16 16:14:33,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:14:33,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:14:33,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:14:33,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:14:33,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:14:33,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:14:33,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:14:33,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:14:34,105 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:14:34,108 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:14:34,915 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:14:34,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:14:34,936 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:14:34,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:14:34 BoogieIcfgContainer [2022-10-16 16:14:34,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:14:34,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:14:34,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:14:34,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:14:34,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:14:32" (1/3) ... [2022-10-16 16:14:34,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338109f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:14:34, skipping insertion in model container [2022-10-16 16:14:34,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:14:33" (2/3) ... [2022-10-16 16:14:34,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338109f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:14:34, skipping insertion in model container [2022-10-16 16:14:34,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:14:34" (3/3) ... [2022-10-16 16:14:34,955 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:14:34,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:14:34,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 16:14:35,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:14:35,062 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;@3a0035c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:14:35,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 16:14:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 193 states have (on average 1.7512953367875648) internal successors, (338), 225 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:14:35,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:35,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:14:35,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:35,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:14:35,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:35,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122401461] [2022-10-16 16:14:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:35,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:35,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122401461] [2022-10-16 16:14:35,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122401461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:35,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:35,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:14:35,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891629907] [2022-10-16 16:14:35,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:35,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:14:35,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:35,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:14:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:14:35,461 INFO L87 Difference]: Start difference. First operand has 226 states, 193 states have (on average 1.7512953367875648) internal successors, (338), 225 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:35,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:35,505 INFO L93 Difference]: Finished difference Result 229 states and 340 transitions. [2022-10-16 16:14:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:14:35,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:14:35,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:35,524 INFO L225 Difference]: With dead ends: 229 [2022-10-16 16:14:35,524 INFO L226 Difference]: Without dead ends: 211 [2022-10-16 16:14:35,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:14:35,533 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:35,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:35,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-10-16 16:14:35,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2022-10-16 16:14:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 191 states have (on average 1.4712041884816753) internal successors, (281), 210 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2022-10-16 16:14:35,602 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 4 [2022-10-16 16:14:35,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:35,602 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2022-10-16 16:14:35,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2022-10-16 16:14:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:14:35,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:35,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:35,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:14:35,609 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:35,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:35,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1184558795, now seen corresponding path program 1 times [2022-10-16 16:14:35,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:35,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902334714] [2022-10-16 16:14:35,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:35,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:36,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:36,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902334714] [2022-10-16 16:14:36,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902334714] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:36,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:36,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:36,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775587889] [2022-10-16 16:14:36,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:36,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:36,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:36,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:36,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:36,097 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:36,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:36,240 INFO L93 Difference]: Finished difference Result 509 states and 709 transitions. [2022-10-16 16:14:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:36,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:14:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:36,249 INFO L225 Difference]: With dead ends: 509 [2022-10-16 16:14:36,249 INFO L226 Difference]: Without dead ends: 352 [2022-10-16 16:14:36,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:36,253 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 210 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:36,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 671 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:36,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-10-16 16:14:36,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 332. [2022-10-16 16:14:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 312 states have (on average 1.5416666666666667) internal successors, (481), 331 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 481 transitions. [2022-10-16 16:14:36,308 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 481 transitions. Word has length 81 [2022-10-16 16:14:36,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:36,309 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 481 transitions. [2022-10-16 16:14:36,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 481 transitions. [2022-10-16 16:14:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:14:36,314 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:36,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:36,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:14:36,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:36,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:36,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1590772711, now seen corresponding path program 1 times [2022-10-16 16:14:36,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:36,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916334551] [2022-10-16 16:14:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:36,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:36,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:36,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:36,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916334551] [2022-10-16 16:14:36,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916334551] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:36,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:36,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:36,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832077722] [2022-10-16 16:14:36,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:36,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:36,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:36,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:36,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:36,589 INFO L87 Difference]: Start difference. First operand 332 states and 481 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:36,708 INFO L93 Difference]: Finished difference Result 856 states and 1283 transitions. [2022-10-16 16:14:36,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:36,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 16:14:36,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:36,718 INFO L225 Difference]: With dead ends: 856 [2022-10-16 16:14:36,718 INFO L226 Difference]: Without dead ends: 578 [2022-10-16 16:14:36,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:36,732 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 205 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:36,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 656 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-10-16 16:14:36,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 558. [2022-10-16 16:14:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 538 states have (on average 1.587360594795539) internal successors, (854), 557 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 854 transitions. [2022-10-16 16:14:36,827 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 854 transitions. Word has length 82 [2022-10-16 16:14:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:36,830 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 854 transitions. [2022-10-16 16:14:36,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 854 transitions. [2022-10-16 16:14:36,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:14:36,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:36,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:36,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:14:36,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:36,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2067201874, now seen corresponding path program 1 times [2022-10-16 16:14:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:36,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349258596] [2022-10-16 16:14:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:37,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:37,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349258596] [2022-10-16 16:14:37,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349258596] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:37,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:37,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:37,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937950728] [2022-10-16 16:14:37,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:37,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:37,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:37,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:37,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:37,047 INFO L87 Difference]: Start difference. First operand 558 states and 854 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:37,146 INFO L93 Difference]: Finished difference Result 1502 states and 2350 transitions. [2022-10-16 16:14:37,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:37,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:14:37,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:37,154 INFO L225 Difference]: With dead ends: 1502 [2022-10-16 16:14:37,154 INFO L226 Difference]: Without dead ends: 998 [2022-10-16 16:14:37,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:37,157 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 200 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:37,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 641 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:37,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2022-10-16 16:14:37,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 978. [2022-10-16 16:14:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 958 states have (on average 1.6137787056367432) internal successors, (1546), 977 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1546 transitions. [2022-10-16 16:14:37,275 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1546 transitions. Word has length 83 [2022-10-16 16:14:37,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:37,275 INFO L495 AbstractCegarLoop]: Abstraction has 978 states and 1546 transitions. [2022-10-16 16:14:37,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1546 transitions. [2022-10-16 16:14:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:14:37,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:37,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:37,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:14:37,278 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:37,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:37,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1553666304, now seen corresponding path program 1 times [2022-10-16 16:14:37,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:37,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667226216] [2022-10-16 16:14:37,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:37,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:37,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:37,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667226216] [2022-10-16 16:14:37,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667226216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:37,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:37,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:37,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323547009] [2022-10-16 16:14:37,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:37,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:37,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:37,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:37,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:37,407 INFO L87 Difference]: Start difference. First operand 978 states and 1546 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:37,597 INFO L93 Difference]: Finished difference Result 2698 states and 4322 transitions. [2022-10-16 16:14:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:37,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:14:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:37,609 INFO L225 Difference]: With dead ends: 2698 [2022-10-16 16:14:37,610 INFO L226 Difference]: Without dead ends: 1774 [2022-10-16 16:14:37,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:37,613 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 195 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:37,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 626 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:37,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2022-10-16 16:14:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1754. [2022-10-16 16:14:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1734 states have (on average 1.6274509803921569) internal successors, (2822), 1753 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2822 transitions. [2022-10-16 16:14:37,828 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2822 transitions. Word has length 84 [2022-10-16 16:14:37,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:37,829 INFO L495 AbstractCegarLoop]: Abstraction has 1754 states and 2822 transitions. [2022-10-16 16:14:37,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2822 transitions. [2022-10-16 16:14:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:14:37,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:37,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:37,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:14:37,840 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:37,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:37,841 INFO L85 PathProgramCache]: Analyzing trace with hash 990640893, now seen corresponding path program 1 times [2022-10-16 16:14:37,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:37,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851019063] [2022-10-16 16:14:37,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:37,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:38,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:38,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851019063] [2022-10-16 16:14:38,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851019063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:38,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:38,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:38,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865678507] [2022-10-16 16:14:38,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:38,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:38,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:38,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:38,018 INFO L87 Difference]: Start difference. First operand 1754 states and 2822 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:38,367 INFO L93 Difference]: Finished difference Result 4898 states and 7942 transitions. [2022-10-16 16:14:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:14:38,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:14:38,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:38,387 INFO L225 Difference]: With dead ends: 4898 [2022-10-16 16:14:38,387 INFO L226 Difference]: Without dead ends: 3198 [2022-10-16 16:14:38,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:38,395 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 190 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:38,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 611 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:14:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2022-10-16 16:14:38,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3178. [2022-10-16 16:14:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3178 states, 3158 states have (on average 1.6333122229259025) internal successors, (5158), 3177 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 5158 transitions. [2022-10-16 16:14:38,751 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 5158 transitions. Word has length 85 [2022-10-16 16:14:38,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:38,752 INFO L495 AbstractCegarLoop]: Abstraction has 3178 states and 5158 transitions. [2022-10-16 16:14:38,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 5158 transitions. [2022-10-16 16:14:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:14:38,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:38,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:38,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:14:38,755 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:38,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1105694075, now seen corresponding path program 1 times [2022-10-16 16:14:38,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:38,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141706034] [2022-10-16 16:14:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:38,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:38,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141706034] [2022-10-16 16:14:38,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141706034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:38,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:38,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:38,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417505208] [2022-10-16 16:14:38,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:38,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:38,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:38,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:38,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:38,983 INFO L87 Difference]: Start difference. First operand 3178 states and 5158 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:39,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:39,974 INFO L93 Difference]: Finished difference Result 9424 states and 15366 transitions. [2022-10-16 16:14:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:14:39,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:14:39,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:40,057 INFO L225 Difference]: With dead ends: 9424 [2022-10-16 16:14:40,057 INFO L226 Difference]: Without dead ends: 9422 [2022-10-16 16:14:40,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:40,065 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 677 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:40,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 771 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:14:40,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9422 states. [2022-10-16 16:14:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9422 to 6282. [2022-10-16 16:14:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6282 states, 6262 states have (on average 1.628553177898435) internal successors, (10198), 6281 states have internal predecessors, (10198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6282 states to 6282 states and 10198 transitions. [2022-10-16 16:14:40,807 INFO L78 Accepts]: Start accepts. Automaton has 6282 states and 10198 transitions. Word has length 86 [2022-10-16 16:14:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:40,807 INFO L495 AbstractCegarLoop]: Abstraction has 6282 states and 10198 transitions. [2022-10-16 16:14:40,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 6282 states and 10198 transitions. [2022-10-16 16:14:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:14:40,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:40,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:40,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:14:40,810 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:40,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:40,811 INFO L85 PathProgramCache]: Analyzing trace with hash 83222331, now seen corresponding path program 1 times [2022-10-16 16:14:40,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:40,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545825984] [2022-10-16 16:14:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:40,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:40,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:40,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545825984] [2022-10-16 16:14:40,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545825984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:40,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:40,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:40,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949375390] [2022-10-16 16:14:40,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:40,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:14:40,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:40,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:14:40,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:14:40,971 INFO L87 Difference]: Start difference. First operand 6282 states and 10198 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:41,938 INFO L93 Difference]: Finished difference Result 9404 states and 15302 transitions. [2022-10-16 16:14:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:14:41,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:14:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:41,989 INFO L225 Difference]: With dead ends: 9404 [2022-10-16 16:14:41,989 INFO L226 Difference]: Without dead ends: 9402 [2022-10-16 16:14:41,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:41,995 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 672 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:41,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 447 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:14:42,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2022-10-16 16:14:42,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 9386. [2022-10-16 16:14:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9386 states, 9366 states have (on average 1.6201153106982704) internal successors, (15174), 9385 states have internal predecessors, (15174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9386 states to 9386 states and 15174 transitions. [2022-10-16 16:14:42,936 INFO L78 Accepts]: Start accepts. Automaton has 9386 states and 15174 transitions. Word has length 87 [2022-10-16 16:14:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:42,937 INFO L495 AbstractCegarLoop]: Abstraction has 9386 states and 15174 transitions. [2022-10-16 16:14:42,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 9386 states and 15174 transitions. [2022-10-16 16:14:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:14:42,939 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:42,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:42,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:14:42,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:42,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:42,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1715074745, now seen corresponding path program 1 times [2022-10-16 16:14:42,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:42,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925359401] [2022-10-16 16:14:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:43,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:43,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925359401] [2022-10-16 16:14:43,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925359401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:43,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:43,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:43,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207607763] [2022-10-16 16:14:43,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:43,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:43,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:43,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:43,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:43,136 INFO L87 Difference]: Start difference. First operand 9386 states and 15174 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:44,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:44,820 INFO L93 Difference]: Finished difference Result 15642 states and 25190 transitions. [2022-10-16 16:14:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:14:44,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:14:44,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:44,865 INFO L225 Difference]: With dead ends: 15642 [2022-10-16 16:14:44,865 INFO L226 Difference]: Without dead ends: 15640 [2022-10-16 16:14:44,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:14:44,873 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 1144 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:44,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 1286 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:14:44,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15640 states. [2022-10-16 16:14:45,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15640 to 12490. [2022-10-16 16:14:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12490 states, 12470 states have (on average 1.6107457898957498) internal successors, (20086), 12489 states have internal predecessors, (20086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12490 states to 12490 states and 20086 transitions. [2022-10-16 16:14:45,990 INFO L78 Accepts]: Start accepts. Automaton has 12490 states and 20086 transitions. Word has length 88 [2022-10-16 16:14:45,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:45,990 INFO L495 AbstractCegarLoop]: Abstraction has 12490 states and 20086 transitions. [2022-10-16 16:14:45,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 12490 states and 20086 transitions. [2022-10-16 16:14:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:14:45,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:45,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:45,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:14:45,993 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:45,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:45,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1627709251, now seen corresponding path program 1 times [2022-10-16 16:14:45,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:45,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677135440] [2022-10-16 16:14:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:46,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:46,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677135440] [2022-10-16 16:14:46,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677135440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:46,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:46,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:14:46,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810741987] [2022-10-16 16:14:46,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:46,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:14:46,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:46,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:14:46,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:14:46,151 INFO L87 Difference]: Start difference. First operand 12490 states and 20086 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:47,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:47,577 INFO L93 Difference]: Finished difference Result 15626 states and 25126 transitions. [2022-10-16 16:14:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:47,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 16:14:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:47,619 INFO L225 Difference]: With dead ends: 15626 [2022-10-16 16:14:47,619 INFO L226 Difference]: Without dead ends: 15624 [2022-10-16 16:14:47,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:14:47,627 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 1173 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:47,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 786 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:14:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15624 states. [2022-10-16 16:14:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15624 to 15594. [2022-10-16 16:14:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15594 states, 15574 states have (on average 1.6010016694490818) internal successors, (24934), 15593 states have internal predecessors, (24934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15594 states to 15594 states and 24934 transitions. [2022-10-16 16:14:48,717 INFO L78 Accepts]: Start accepts. Automaton has 15594 states and 24934 transitions. Word has length 89 [2022-10-16 16:14:48,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:48,717 INFO L495 AbstractCegarLoop]: Abstraction has 15594 states and 24934 transitions. [2022-10-16 16:14:48,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 15594 states and 24934 transitions. [2022-10-16 16:14:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:14:48,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:48,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:48,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:14:48,720 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:48,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1080621065, now seen corresponding path program 1 times [2022-10-16 16:14:48,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:48,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878064384] [2022-10-16 16:14:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:48,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:48,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878064384] [2022-10-16 16:14:48,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878064384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:48,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:48,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:48,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046069039] [2022-10-16 16:14:48,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:48,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:48,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:48,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:48,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:48,889 INFO L87 Difference]: Start difference. First operand 15594 states and 24934 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:51,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:51,326 INFO L93 Difference]: Finished difference Result 24960 states and 39798 transitions. [2022-10-16 16:14:51,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:14:51,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:14:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:51,387 INFO L225 Difference]: With dead ends: 24960 [2022-10-16 16:14:51,387 INFO L226 Difference]: Without dead ends: 24958 [2022-10-16 16:14:51,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:14:51,398 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 1593 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:51,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 1973 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:14:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24958 states. [2022-10-16 16:14:52,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24958 to 18698. [2022-10-16 16:14:52,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18698 states, 18678 states have (on average 1.5910697076774816) internal successors, (29718), 18697 states have internal predecessors, (29718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18698 states to 18698 states and 29718 transitions. [2022-10-16 16:14:52,922 INFO L78 Accepts]: Start accepts. Automaton has 18698 states and 29718 transitions. Word has length 90 [2022-10-16 16:14:52,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:52,922 INFO L495 AbstractCegarLoop]: Abstraction has 18698 states and 29718 transitions. [2022-10-16 16:14:52,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 18698 states and 29718 transitions. [2022-10-16 16:14:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:14:52,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:52,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:52,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:14:52,925 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:52,926 INFO L85 PathProgramCache]: Analyzing trace with hash -860485057, now seen corresponding path program 1 times [2022-10-16 16:14:52,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:52,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985997673] [2022-10-16 16:14:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:53,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:53,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985997673] [2022-10-16 16:14:53,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985997673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:53,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:53,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:53,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929341325] [2022-10-16 16:14:53,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:53,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:53,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:53,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:53,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:53,089 INFO L87 Difference]: Start difference. First operand 18698 states and 29718 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:55,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:55,108 INFO L93 Difference]: Finished difference Result 24950 states and 39606 transitions. [2022-10-16 16:14:55,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:14:55,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:14:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:55,169 INFO L225 Difference]: With dead ends: 24950 [2022-10-16 16:14:55,169 INFO L226 Difference]: Without dead ends: 24948 [2022-10-16 16:14:55,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:14:55,181 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 1625 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:55,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 1298 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:14:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24948 states. [2022-10-16 16:14:57,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24948 to 24906. [2022-10-16 16:14:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24906 states, 24886 states have (on average 1.5812103190548903) internal successors, (39350), 24905 states have internal predecessors, (39350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24906 states to 24906 states and 39350 transitions. [2022-10-16 16:14:57,410 INFO L78 Accepts]: Start accepts. Automaton has 24906 states and 39350 transitions. Word has length 91 [2022-10-16 16:14:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:57,411 INFO L495 AbstractCegarLoop]: Abstraction has 24906 states and 39350 transitions. [2022-10-16 16:14:57,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24906 states and 39350 transitions. [2022-10-16 16:14:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:14:57,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:57,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:57,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:14:57,414 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:14:57,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:57,415 INFO L85 PathProgramCache]: Analyzing trace with hash -897576888, now seen corresponding path program 1 times [2022-10-16 16:14:57,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:57,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266382694] [2022-10-16 16:14:57,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:57,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:57,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:57,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266382694] [2022-10-16 16:14:57,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266382694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:57,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:57,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:14:57,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130349887] [2022-10-16 16:14:57,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:57,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:14:57,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:57,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:14:57,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:14:57,506 INFO L87 Difference]: Start difference. First operand 24906 states and 39350 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:00,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:00,698 INFO L93 Difference]: Finished difference Result 69746 states and 110262 transitions. [2022-10-16 16:15:00,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:00,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:15:00,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:00,810 INFO L225 Difference]: With dead ends: 69746 [2022-10-16 16:15:00,810 INFO L226 Difference]: Without dead ends: 44894 [2022-10-16 16:15:00,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:00,850 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 211 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:00,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 694 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44894 states. [2022-10-16 16:15:04,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44894 to 44874. [2022-10-16 16:15:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44874 states, 44854 states have (on average 1.5764480313907343) internal successors, (70710), 44873 states have internal predecessors, (70710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44874 states to 44874 states and 70710 transitions. [2022-10-16 16:15:04,844 INFO L78 Accepts]: Start accepts. Automaton has 44874 states and 70710 transitions. Word has length 91 [2022-10-16 16:15:04,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:04,844 INFO L495 AbstractCegarLoop]: Abstraction has 44874 states and 70710 transitions. [2022-10-16 16:15:04,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 44874 states and 70710 transitions. [2022-10-16 16:15:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:15:04,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:04,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:04,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:15:04,846 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:04,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:04,847 INFO L85 PathProgramCache]: Analyzing trace with hash -905232693, now seen corresponding path program 1 times [2022-10-16 16:15:04,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:04,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881500095] [2022-10-16 16:15:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:05,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:05,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881500095] [2022-10-16 16:15:05,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881500095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:05,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:05,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288238173] [2022-10-16 16:15:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:05,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:05,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:05,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:05,016 INFO L87 Difference]: Start difference. First operand 44874 states and 70710 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:10,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:10,975 INFO L93 Difference]: Finished difference Result 67330 states and 106038 transitions. [2022-10-16 16:15:10,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:15:10,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:15:10,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:11,107 INFO L225 Difference]: With dead ends: 67330 [2022-10-16 16:15:11,108 INFO L226 Difference]: Without dead ends: 67328 [2022-10-16 16:15:11,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:11,127 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 2207 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 2228 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:11,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 2228 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:11,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67328 states. [2022-10-16 16:15:15,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67328 to 50474. [2022-10-16 16:15:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50474 states, 50454 states have (on average 1.566377294168946) internal successors, (79030), 50473 states have internal predecessors, (79030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50474 states to 50474 states and 79030 transitions. [2022-10-16 16:15:15,599 INFO L78 Accepts]: Start accepts. Automaton has 50474 states and 79030 transitions. Word has length 92 [2022-10-16 16:15:15,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:15,599 INFO L495 AbstractCegarLoop]: Abstraction has 50474 states and 79030 transitions. [2022-10-16 16:15:15,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 50474 states and 79030 transitions. [2022-10-16 16:15:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:15:15,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:15,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:15,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:15:15,601 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:15,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:15,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2002557889, now seen corresponding path program 1 times [2022-10-16 16:15:15,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:15,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908517338] [2022-10-16 16:15:15,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:15,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:15,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908517338] [2022-10-16 16:15:15,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908517338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:15,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:15,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:15,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096915626] [2022-10-16 16:15:15,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:15,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:15,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:15,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:15,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:15,962 INFO L87 Difference]: Start difference. First operand 50474 states and 79030 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:21,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:21,763 INFO L93 Difference]: Finished difference Result 67328 states and 105142 transitions. [2022-10-16 16:15:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:15:21,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:15:21,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:21,868 INFO L225 Difference]: With dead ends: 67328 [2022-10-16 16:15:21,869 INFO L226 Difference]: Without dead ends: 67326 [2022-10-16 16:15:21,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:21,884 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 2219 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:21,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 1645 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:21,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67326 states. [2022-10-16 16:15:27,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67326 to 67274. [2022-10-16 16:15:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67274 states, 67254 states have (on average 1.5538406637523419) internal successors, (104502), 67273 states have internal predecessors, (104502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67274 states to 67274 states and 104502 transitions. [2022-10-16 16:15:27,715 INFO L78 Accepts]: Start accepts. Automaton has 67274 states and 104502 transitions. Word has length 93 [2022-10-16 16:15:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:27,715 INFO L495 AbstractCegarLoop]: Abstraction has 67274 states and 104502 transitions. [2022-10-16 16:15:27,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 67274 states and 104502 transitions. [2022-10-16 16:15:27,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:15:27,716 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:27,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:27,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:15:27,717 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:27,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:27,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1949752717, now seen corresponding path program 1 times [2022-10-16 16:15:27,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:27,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014336638] [2022-10-16 16:15:27,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:27,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:28,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:28,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014336638] [2022-10-16 16:15:28,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014336638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:28,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:28,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:15:28,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709960537] [2022-10-16 16:15:28,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:28,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:15:28,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:28,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:15:28,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:28,181 INFO L87 Difference]: Start difference. First operand 67274 states and 104502 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:37,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:37,073 INFO L93 Difference]: Finished difference Result 162546 states and 252726 transitions. [2022-10-16 16:15:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:15:37,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:15:37,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:37,251 INFO L225 Difference]: With dead ends: 162546 [2022-10-16 16:15:37,251 INFO L226 Difference]: Without dead ends: 95326 [2022-10-16 16:15:37,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:15:37,322 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 2606 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 2996 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:37,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2606 Valid, 2996 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:15:37,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95326 states. [2022-10-16 16:15:44,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95326 to 72874. [2022-10-16 16:15:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72874 states, 72854 states have (on average 1.543333241826118) internal successors, (112438), 72873 states have internal predecessors, (112438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72874 states to 72874 states and 112438 transitions. [2022-10-16 16:15:44,494 INFO L78 Accepts]: Start accepts. Automaton has 72874 states and 112438 transitions. Word has length 94 [2022-10-16 16:15:44,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:44,494 INFO L495 AbstractCegarLoop]: Abstraction has 72874 states and 112438 transitions. [2022-10-16 16:15:44,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 72874 states and 112438 transitions. [2022-10-16 16:15:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:15:44,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:44,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:44,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:15:44,496 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:15:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash 312792387, now seen corresponding path program 1 times [2022-10-16 16:15:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:44,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173733503] [2022-10-16 16:15:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:44,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:44,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173733503] [2022-10-16 16:15:44,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173733503] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:44,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:44,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:15:44,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544973318] [2022-10-16 16:15:44,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:44,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:15:44,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:44,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:15:44,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:44,881 INFO L87 Difference]: Start difference. First operand 72874 states and 112438 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:57,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:57,694 INFO L93 Difference]: Finished difference Result 134580 states and 208694 transitions. [2022-10-16 16:15:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:15:57,694 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:15:57,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:58,118 INFO L225 Difference]: With dead ends: 134580 [2022-10-16 16:15:58,119 INFO L226 Difference]: Without dead ends: 134578 [2022-10-16 16:15:58,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:15:58,156 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 3502 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3502 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:58,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3502 Valid, 2992 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:15:58,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134578 states. [2022-10-16 16:16:10,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134578 to 134474. [2022-10-16 16:16:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134474 states, 134454 states have (on average 1.5397831228524255) internal successors, (207030), 134473 states have internal predecessors, (207030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134474 states to 134474 states and 207030 transitions. [2022-10-16 16:16:11,532 INFO L78 Accepts]: Start accepts. Automaton has 134474 states and 207030 transitions. Word has length 95 [2022-10-16 16:16:11,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:11,532 INFO L495 AbstractCegarLoop]: Abstraction has 134474 states and 207030 transitions. [2022-10-16 16:16:11,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 134474 states and 207030 transitions. [2022-10-16 16:16:11,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 16:16:11,541 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:11,541 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:11,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:16:11,542 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:16:11,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1601216334, now seen corresponding path program 1 times [2022-10-16 16:16:11,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:11,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605161520] [2022-10-16 16:16:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:11,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:11,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605161520] [2022-10-16 16:16:11,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605161520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:11,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:11,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:16:11,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261007942] [2022-10-16 16:16:11,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:11,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:16:11,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:11,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:16:11,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:11,668 INFO L87 Difference]: Start difference. First operand 134474 states and 207030 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:37,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:37,693 INFO L93 Difference]: Finished difference Result 394866 states and 607158 transitions. [2022-10-16 16:16:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:16:37,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-10-16 16:16:37,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:38,323 INFO L225 Difference]: With dead ends: 394866 [2022-10-16 16:16:38,323 INFO L226 Difference]: Without dead ends: 260446 [2022-10-16 16:16:38,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:38,514 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 169 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:38,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 571 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:16:38,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260446 states. [2022-10-16 16:17:04,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260446 to 260426. [2022-10-16 16:17:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260426 states, 260406 states have (on average 1.530863344162577) internal successors, (398646), 260425 states have internal predecessors, (398646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260426 states to 260426 states and 398646 transitions. [2022-10-16 16:17:06,654 INFO L78 Accepts]: Start accepts. Automaton has 260426 states and 398646 transitions. Word has length 129 [2022-10-16 16:17:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:06,654 INFO L495 AbstractCegarLoop]: Abstraction has 260426 states and 398646 transitions. [2022-10-16 16:17:06,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 260426 states and 398646 transitions. [2022-10-16 16:17:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 16:17:06,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:06,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:17:06,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:17:06,673 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:17:06,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1071383977, now seen corresponding path program 1 times [2022-10-16 16:17:06,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:06,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527742475] [2022-10-16 16:17:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:06,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:17:06,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:06,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527742475] [2022-10-16 16:17:06,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527742475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:06,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:06,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:17:06,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782743076] [2022-10-16 16:17:06,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:06,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:17:06,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:06,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:17:06,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:06,833 INFO L87 Difference]: Start difference. First operand 260426 states and 398646 transitions. Second operand has 4 states, 3 states have (on average 41.666666666666664) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:17:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:40,129 INFO L93 Difference]: Finished difference Result 347242 states and 534838 transitions. [2022-10-16 16:17:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:17:40,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.666666666666664) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-10-16 16:17:40,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:40,822 INFO L225 Difference]: With dead ends: 347242 [2022-10-16 16:17:40,822 INFO L226 Difference]: Without dead ends: 347240 [2022-10-16 16:17:40,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:17:40,916 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 374 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:40,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 837 Invalid, 168 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:17:41,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347240 states.