/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:09:34,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:09:34,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:09:34,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:09:34,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:09:34,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:09:34,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:09:34,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:09:34,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:09:34,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:09:34,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:09:34,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:09:34,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:09:34,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:09:34,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:09:34,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:09:34,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:09:34,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:09:34,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:09:34,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:09:34,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:09:34,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:09:34,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:09:34,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:09:34,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:09:34,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:09:34,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:09:34,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:09:34,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:09:34,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:09:34,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:09:34,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:09:34,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:09:34,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:09:34,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:09:34,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:09:34,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:09:34,511 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:09:34,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:09:34,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:09:34,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:09:34,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:09:34,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:09:34,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:09:34,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:09:34,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:09:34,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:09:34,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:09:34,513 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:09:34,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:09:34,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:09:34,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:09:34,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:09:34,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:09:34,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:09:34,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:09:34,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:09:34,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:09:34,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:09:34,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:09:34,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:09:34,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:09:34,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:09:34,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:09:34,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:09:34,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:09:34,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:09:34,952 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:09:34,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:09:35,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13f9e03c/3b55391f798f466082fa103e6ce1386d/FLAG5c861fc04 [2022-10-16 15:09:35,681 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:09:35,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:09:35,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13f9e03c/3b55391f798f466082fa103e6ce1386d/FLAG5c861fc04 [2022-10-16 15:09:36,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c13f9e03c/3b55391f798f466082fa103e6ce1386d [2022-10-16 15:09:36,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:09:36,043 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:09:36,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:09:36,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:09:36,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:09:36,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375c9022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36, skipping insertion in model container [2022-10-16 15:09:36,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:09:36,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:09:36,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c[6787,6800] [2022-10-16 15:09:36,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:09:36,513 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:09:36,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c[6787,6800] [2022-10-16 15:09:36,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:09:36,627 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:09:36,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36 WrapperNode [2022-10-16 15:09:36,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:09:36,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:09:36,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:09:36,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:09:36,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,702 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 260 [2022-10-16 15:09:36,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:09:36,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:09:36,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:09:36,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:09:36,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,736 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:09:36,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:09:36,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:09:36,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:09:36,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (1/1) ... [2022-10-16 15:09:36,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:09:36,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:09:36,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:09:36,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:09:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:09:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:09:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:09:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:09:36,950 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:09:36,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:09:37,578 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:09:37,588 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:09:37,588 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:09:37,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:09:37 BoogieIcfgContainer [2022-10-16 15:09:37,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:09:37,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:09:37,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:09:37,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:09:37,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:09:36" (1/3) ... [2022-10-16 15:09:37,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa16b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:09:37, skipping insertion in model container [2022-10-16 15:09:37,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:09:36" (2/3) ... [2022-10-16 15:09:37,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa16b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:09:37, skipping insertion in model container [2022-10-16 15:09:37,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:09:37" (3/3) ... [2022-10-16 15:09:37,609 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:09:37,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:09:37,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 15:09:37,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:09:37,707 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;@64328daa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:09:37,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 15:09:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 89 states have (on average 1.7191011235955056) internal successors, (153), 103 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:09:37,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:37,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:09:37,725 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:37,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:37,735 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:09:37,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:37,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006723307] [2022-10-16 15:09:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:37,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:37,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:37,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006723307] [2022-10-16 15:09:37,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006723307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:37,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:37,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:09:37,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031526891] [2022-10-16 15:09:37,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:37,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:09:37,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:38,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:09:38,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:09:38,004 INFO L87 Difference]: Start difference. First operand has 104 states, 89 states have (on average 1.7191011235955056) internal successors, (153), 103 states have internal predecessors, (153), 0 states have call successors, (0), 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 15:09:38,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:38,036 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2022-10-16 15:09:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:09:38,038 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 15:09:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:38,050 INFO L225 Difference]: With dead ends: 172 [2022-10-16 15:09:38,050 INFO L226 Difference]: Without dead ends: 93 [2022-10-16 15:09:38,054 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 15:09:38,059 INFO L413 NwaCegarLoop]: 140 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, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:38,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-10-16 15:09:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-10-16 15:09:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.6352941176470588) internal successors, (139), 92 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 139 transitions. [2022-10-16 15:09:38,118 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 139 transitions. Word has length 4 [2022-10-16 15:09:38,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:38,119 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 139 transitions. [2022-10-16 15:09:38,120 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 15:09:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2022-10-16 15:09:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 15:09:38,126 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:38,126 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] [2022-10-16 15:09:38,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:09:38,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:38,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:38,128 INFO L85 PathProgramCache]: Analyzing trace with hash -233690204, now seen corresponding path program 1 times [2022-10-16 15:09:38,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:38,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024781870] [2022-10-16 15:09:38,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:38,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:38,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:38,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:38,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024781870] [2022-10-16 15:09:38,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024781870] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:38,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:38,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:09:38,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014897704] [2022-10-16 15:09:38,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:38,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:38,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:38,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:38,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:38,520 INFO L87 Difference]: Start difference. First operand 93 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:38,594 INFO L93 Difference]: Finished difference Result 163 states and 238 transitions. [2022-10-16 15:09:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:09:38,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-10-16 15:09:38,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:38,596 INFO L225 Difference]: With dead ends: 163 [2022-10-16 15:09:38,596 INFO L226 Difference]: Without dead ends: 93 [2022-10-16 15:09:38,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:09:38,599 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 3 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:38,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 528 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:38,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-10-16 15:09:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-10-16 15:09:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 92 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 122 transitions. [2022-10-16 15:09:38,613 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 122 transitions. Word has length 21 [2022-10-16 15:09:38,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:38,613 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 122 transitions. [2022-10-16 15:09:38,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2022-10-16 15:09:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 15:09:38,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:38,616 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] [2022-10-16 15:09:38,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:09:38,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:38,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1643952022, now seen corresponding path program 1 times [2022-10-16 15:09:38,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:38,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981019151] [2022-10-16 15:09:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:38,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:38,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:38,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981019151] [2022-10-16 15:09:38,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981019151] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:38,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:38,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:38,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069515305] [2022-10-16 15:09:38,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:38,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:38,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:38,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:38,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:38,776 INFO L87 Difference]: Start difference. First operand 93 states and 122 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:38,807 INFO L93 Difference]: Finished difference Result 213 states and 292 transitions. [2022-10-16 15:09:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:38,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 15:09:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:38,813 INFO L225 Difference]: With dead ends: 213 [2022-10-16 15:09:38,813 INFO L226 Difference]: Without dead ends: 147 [2022-10-16 15:09:38,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:38,818 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 79 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:38,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 265 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:38,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-10-16 15:09:38,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 139. [2022-10-16 15:09:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 131 states have (on average 1.4961832061068703) internal successors, (196), 138 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2022-10-16 15:09:38,861 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 196 transitions. Word has length 41 [2022-10-16 15:09:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:38,862 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 196 transitions. [2022-10-16 15:09:38,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2022-10-16 15:09:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 15:09:38,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:38,866 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] [2022-10-16 15:09:38,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:09:38,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash -651388348, now seen corresponding path program 1 times [2022-10-16 15:09:38,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:38,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821446479] [2022-10-16 15:09:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:38,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:38,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:38,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821446479] [2022-10-16 15:09:38,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821446479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:38,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:38,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:38,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351956886] [2022-10-16 15:09:38,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:38,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:38,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:38,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:38,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:38,985 INFO L87 Difference]: Start difference. First operand 139 states and 196 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:39,015 INFO L93 Difference]: Finished difference Result 339 states and 494 transitions. [2022-10-16 15:09:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:39,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2022-10-16 15:09:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:39,019 INFO L225 Difference]: With dead ends: 339 [2022-10-16 15:09:39,019 INFO L226 Difference]: Without dead ends: 227 [2022-10-16 15:09:39,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:39,022 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 74 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:39,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 256 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:39,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-16 15:09:39,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 219. [2022-10-16 15:09:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 211 states have (on average 1.5308056872037914) internal successors, (323), 218 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 323 transitions. [2022-10-16 15:09:39,053 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 323 transitions. Word has length 42 [2022-10-16 15:09:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:39,058 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 323 transitions. [2022-10-16 15:09:39,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-10-16 15:09:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 15:09:39,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:39,060 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] [2022-10-16 15:09:39,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:09:39,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:39,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:39,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2041703910, now seen corresponding path program 1 times [2022-10-16 15:09:39,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:39,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802238080] [2022-10-16 15:09:39,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:39,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:39,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:39,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802238080] [2022-10-16 15:09:39,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802238080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:39,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:39,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:39,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339516148] [2022-10-16 15:09:39,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:39,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:39,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:39,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:39,256 INFO L87 Difference]: Start difference. First operand 219 states and 323 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:39,433 INFO L93 Difference]: Finished difference Result 601 states and 915 transitions. [2022-10-16 15:09:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:09:39,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 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 43 [2022-10-16 15:09:39,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:39,440 INFO L225 Difference]: With dead ends: 601 [2022-10-16 15:09:39,440 INFO L226 Difference]: Without dead ends: 599 [2022-10-16 15:09:39,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:39,447 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 276 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:39,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 330 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:39,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2022-10-16 15:09:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 403. [2022-10-16 15:09:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 395 states have (on average 1.5468354430379747) internal successors, (611), 402 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 611 transitions. [2022-10-16 15:09:39,510 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 611 transitions. Word has length 43 [2022-10-16 15:09:39,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:39,512 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 611 transitions. [2022-10-16 15:09:39,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 611 transitions. [2022-10-16 15:09:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 15:09:39,516 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:39,517 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] [2022-10-16 15:09:39,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:09:39,518 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:39,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:39,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1131687893, now seen corresponding path program 1 times [2022-10-16 15:09:39,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:39,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357637530] [2022-10-16 15:09:39,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:39,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:39,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:39,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357637530] [2022-10-16 15:09:39,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357637530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:39,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:39,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:39,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101362049] [2022-10-16 15:09:39,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:39,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:39,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:39,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:39,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:39,649 INFO L87 Difference]: Start difference. First operand 403 states and 611 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:39,743 INFO L93 Difference]: Finished difference Result 593 states and 907 transitions. [2022-10-16 15:09:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:09:39,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-10-16 15:09:39,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:39,749 INFO L225 Difference]: With dead ends: 593 [2022-10-16 15:09:39,749 INFO L226 Difference]: Without dead ends: 591 [2022-10-16 15:09:39,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:39,756 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 271 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:39,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 192 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:39,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-10-16 15:09:39,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 587. [2022-10-16 15:09:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 579 states have (on average 1.538860103626943) internal successors, (891), 586 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 891 transitions. [2022-10-16 15:09:39,799 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 891 transitions. Word has length 44 [2022-10-16 15:09:39,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:39,800 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 891 transitions. [2022-10-16 15:09:39,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 891 transitions. [2022-10-16 15:09:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 15:09:39,806 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:39,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:39,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:09:39,807 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:39,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:39,808 INFO L85 PathProgramCache]: Analyzing trace with hash -722585976, now seen corresponding path program 1 times [2022-10-16 15:09:39,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:39,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451019471] [2022-10-16 15:09:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:39,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:39,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451019471] [2022-10-16 15:09:39,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451019471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:39,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:39,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405675060] [2022-10-16 15:09:39,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:39,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:39,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:39,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:39,894 INFO L87 Difference]: Start difference. First operand 587 states and 891 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:40,079 INFO L93 Difference]: Finished difference Result 1525 states and 2323 transitions. [2022-10-16 15:09:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:09:40,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-16 15:09:40,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:40,090 INFO L225 Difference]: With dead ends: 1525 [2022-10-16 15:09:40,090 INFO L226 Difference]: Without dead ends: 965 [2022-10-16 15:09:40,094 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 15:09:40,095 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 452 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:40,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 547 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:40,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-10-16 15:09:40,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 771. [2022-10-16 15:09:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 763 states have (on average 1.5137614678899083) internal successors, (1155), 770 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1155 transitions. [2022-10-16 15:09:40,162 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1155 transitions. Word has length 45 [2022-10-16 15:09:40,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:40,162 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 1155 transitions. [2022-10-16 15:09:40,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1155 transitions. [2022-10-16 15:09:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 15:09:40,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:40,164 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] [2022-10-16 15:09:40,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:09:40,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:40,165 INFO L85 PathProgramCache]: Analyzing trace with hash -925328435, now seen corresponding path program 1 times [2022-10-16 15:09:40,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:40,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936170712] [2022-10-16 15:09:40,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:40,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:40,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:40,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936170712] [2022-10-16 15:09:40,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936170712] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:40,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:40,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:40,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808433363] [2022-10-16 15:09:40,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:40,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:40,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:40,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:40,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:40,248 INFO L87 Difference]: Start difference. First operand 771 states and 1155 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:40,443 INFO L93 Difference]: Finished difference Result 1149 states and 1739 transitions. [2022-10-16 15:09:40,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:09:40,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 15:09:40,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:40,450 INFO L225 Difference]: With dead ends: 1149 [2022-10-16 15:09:40,450 INFO L226 Difference]: Without dead ends: 1147 [2022-10-16 15:09:40,451 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 15:09:40,452 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 561 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:40,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 369 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:40,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-10-16 15:09:40,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1139. [2022-10-16 15:09:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1131 states have (on average 1.509283819628647) internal successors, (1707), 1138 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1707 transitions. [2022-10-16 15:09:40,516 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1707 transitions. Word has length 46 [2022-10-16 15:09:40,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:40,517 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1707 transitions. [2022-10-16 15:09:40,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1707 transitions. [2022-10-16 15:09:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 15:09:40,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:40,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:40,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:09:40,518 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:40,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:40,519 INFO L85 PathProgramCache]: Analyzing trace with hash 118692343, now seen corresponding path program 1 times [2022-10-16 15:09:40,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:40,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401060977] [2022-10-16 15:09:40,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:40,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:40,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:40,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401060977] [2022-10-16 15:09:40,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401060977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:40,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:40,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:40,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660670229] [2022-10-16 15:09:40,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:40,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:40,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:40,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:40,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:40,567 INFO L87 Difference]: Start difference. First operand 1139 states and 1707 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:40,688 INFO L93 Difference]: Finished difference Result 3075 states and 4611 transitions. [2022-10-16 15:09:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:40,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-16 15:09:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:40,700 INFO L225 Difference]: With dead ends: 3075 [2022-10-16 15:09:40,700 INFO L226 Difference]: Without dead ends: 1963 [2022-10-16 15:09:40,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:40,704 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 79 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:40,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 287 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:40,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2022-10-16 15:09:40,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1955. [2022-10-16 15:09:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1947 states have (on average 1.4930662557781202) internal successors, (2907), 1954 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2907 transitions. [2022-10-16 15:09:40,857 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2907 transitions. Word has length 49 [2022-10-16 15:09:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:40,857 INFO L495 AbstractCegarLoop]: Abstraction has 1955 states and 2907 transitions. [2022-10-16 15:09:40,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2907 transitions. [2022-10-16 15:09:40,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 15:09:40,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:40,859 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:40,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:09:40,860 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:40,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:40,860 INFO L85 PathProgramCache]: Analyzing trace with hash 802636757, now seen corresponding path program 1 times [2022-10-16 15:09:40,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:40,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314507402] [2022-10-16 15:09:40,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:40,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:40,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:40,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314507402] [2022-10-16 15:09:40,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314507402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:40,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:40,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:40,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62803735] [2022-10-16 15:09:40,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:40,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:40,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:40,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:40,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:40,932 INFO L87 Difference]: Start difference. First operand 1955 states and 2907 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:41,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:41,178 INFO L93 Difference]: Finished difference Result 5643 states and 8379 transitions. [2022-10-16 15:09:41,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:41,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 15:09:41,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:41,198 INFO L225 Difference]: With dead ends: 5643 [2022-10-16 15:09:41,198 INFO L226 Difference]: Without dead ends: 3715 [2022-10-16 15:09:41,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:41,202 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 60 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 245 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 15:09:41,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 245 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:41,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2022-10-16 15:09:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3707. [2022-10-16 15:09:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3707 states, 3699 states have (on average 1.4736415247364152) internal successors, (5451), 3706 states have internal predecessors, (5451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 5451 transitions. [2022-10-16 15:09:41,439 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 5451 transitions. Word has length 69 [2022-10-16 15:09:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:41,440 INFO L495 AbstractCegarLoop]: Abstraction has 3707 states and 5451 transitions. [2022-10-16 15:09:41,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 5451 transitions. [2022-10-16 15:09:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:09:41,442 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:41,442 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:41,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:09:41,443 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:41,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1624962730, now seen corresponding path program 1 times [2022-10-16 15:09:41,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:41,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197256695] [2022-10-16 15:09:41,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:41,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:09:41,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:41,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197256695] [2022-10-16 15:09:41,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197256695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:41,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:41,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:41,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343164276] [2022-10-16 15:09:41,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:41,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:41,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:41,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:41,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:41,579 INFO L87 Difference]: Start difference. First operand 3707 states and 5451 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:41,910 INFO L93 Difference]: Finished difference Result 4939 states and 7291 transitions. [2022-10-16 15:09:41,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:09:41,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:09:41,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:41,939 INFO L225 Difference]: With dead ends: 4939 [2022-10-16 15:09:41,939 INFO L226 Difference]: Without dead ends: 4937 [2022-10-16 15:09:41,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:41,943 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 143 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:41,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 351 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:41,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2022-10-16 15:09:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4319. [2022-10-16 15:09:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4319 states, 4311 states have (on average 1.4741359313384366) internal successors, (6355), 4318 states have internal predecessors, (6355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 4319 states and 6355 transitions. [2022-10-16 15:09:42,248 INFO L78 Accepts]: Start accepts. Automaton has 4319 states and 6355 transitions. Word has length 70 [2022-10-16 15:09:42,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:42,248 INFO L495 AbstractCegarLoop]: Abstraction has 4319 states and 6355 transitions. [2022-10-16 15:09:42,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4319 states and 6355 transitions. [2022-10-16 15:09:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:09:42,250 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:42,250 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 15:09:42,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:09:42,251 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1236829881, now seen corresponding path program 1 times [2022-10-16 15:09:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:42,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497084812] [2022-10-16 15:09:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:42,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:42,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497084812] [2022-10-16 15:09:42,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497084812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:42,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:42,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:42,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740586360] [2022-10-16 15:09:42,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:42,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:42,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:42,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:42,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:42,346 INFO L87 Difference]: Start difference. First operand 4319 states and 6355 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:42,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:42,762 INFO L93 Difference]: Finished difference Result 12511 states and 18339 transitions. [2022-10-16 15:09:42,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:42,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:09:42,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:42,804 INFO L225 Difference]: With dead ends: 12511 [2022-10-16 15:09:42,804 INFO L226 Difference]: Without dead ends: 8219 [2022-10-16 15:09:42,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:42,815 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 61 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 258 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 15:09:42,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 258 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8219 states. [2022-10-16 15:09:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8219 to 8211. [2022-10-16 15:09:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8211 states, 8203 states have (on average 1.450566865780812) internal successors, (11899), 8210 states have internal predecessors, (11899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8211 states to 8211 states and 11899 transitions. [2022-10-16 15:09:43,431 INFO L78 Accepts]: Start accepts. Automaton has 8211 states and 11899 transitions. Word has length 71 [2022-10-16 15:09:43,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:43,431 INFO L495 AbstractCegarLoop]: Abstraction has 8211 states and 11899 transitions. [2022-10-16 15:09:43,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 8211 states and 11899 transitions. [2022-10-16 15:09:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:09:43,440 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:43,440 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 15:09:43,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:09:43,441 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:43,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:43,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1055022576, now seen corresponding path program 1 times [2022-10-16 15:09:43,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:43,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422663057] [2022-10-16 15:09:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:43,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:09:43,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:43,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422663057] [2022-10-16 15:09:43,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422663057] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:43,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:43,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068604512] [2022-10-16 15:09:43,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:43,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:43,563 INFO L87 Difference]: Start difference. First operand 8211 states and 11899 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:44,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:44,158 INFO L93 Difference]: Finished difference Result 16399 states and 23899 transitions. [2022-10-16 15:09:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:09:44,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:09:44,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:44,198 INFO L225 Difference]: With dead ends: 16399 [2022-10-16 15:09:44,199 INFO L226 Difference]: Without dead ends: 9383 [2022-10-16 15:09:44,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:09:44,211 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 319 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:44,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 451 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:44,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9383 states. [2022-10-16 15:09:44,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9383 to 9379. [2022-10-16 15:09:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9379 states, 9371 states have (on average 1.4336783694376267) internal successors, (13435), 9378 states have internal predecessors, (13435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9379 states to 9379 states and 13435 transitions. [2022-10-16 15:09:44,906 INFO L78 Accepts]: Start accepts. Automaton has 9379 states and 13435 transitions. Word has length 72 [2022-10-16 15:09:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:44,907 INFO L495 AbstractCegarLoop]: Abstraction has 9379 states and 13435 transitions. [2022-10-16 15:09:44,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 9379 states and 13435 transitions. [2022-10-16 15:09:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:09:44,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:44,910 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:44,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:09:44,910 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:44,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:44,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1055822138, now seen corresponding path program 1 times [2022-10-16 15:09:44,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:44,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373762907] [2022-10-16 15:09:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:09:44,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:44,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373762907] [2022-10-16 15:09:44,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373762907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:44,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:44,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:44,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894814442] [2022-10-16 15:09:44,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:44,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:44,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:44,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:44,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:44,976 INFO L87 Difference]: Start difference. First operand 9379 states and 13435 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:45,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:45,704 INFO L93 Difference]: Finished difference Result 20815 states and 29677 transitions. [2022-10-16 15:09:45,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:45,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:09:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:45,735 INFO L225 Difference]: With dead ends: 20815 [2022-10-16 15:09:45,735 INFO L226 Difference]: Without dead ends: 11463 [2022-10-16 15:09:45,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:45,750 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 45 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:45,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 209 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:45,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11463 states. [2022-10-16 15:09:46,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11463 to 11333. [2022-10-16 15:09:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11333 states, 11325 states have (on average 1.413951434878587) internal successors, (16013), 11332 states have internal predecessors, (16013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11333 states to 11333 states and 16013 transitions. [2022-10-16 15:09:46,545 INFO L78 Accepts]: Start accepts. Automaton has 11333 states and 16013 transitions. Word has length 72 [2022-10-16 15:09:46,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:46,545 INFO L495 AbstractCegarLoop]: Abstraction has 11333 states and 16013 transitions. [2022-10-16 15:09:46,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 11333 states and 16013 transitions. [2022-10-16 15:09:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:09:46,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:46,549 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:46,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:09:46,550 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:46,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:46,550 INFO L85 PathProgramCache]: Analyzing trace with hash -938322568, now seen corresponding path program 1 times [2022-10-16 15:09:46,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:46,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121724011] [2022-10-16 15:09:46,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:09:46,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:46,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121724011] [2022-10-16 15:09:46,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121724011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:46,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:46,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:46,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239099321] [2022-10-16 15:09:46,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:46,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:09:46,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:46,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:09:46,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:46,626 INFO L87 Difference]: Start difference. First operand 11333 states and 16013 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:47,553 INFO L93 Difference]: Finished difference Result 33301 states and 46893 transitions. [2022-10-16 15:09:47,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:09:47,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:09:47,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:47,606 INFO L225 Difference]: With dead ends: 33301 [2022-10-16 15:09:47,606 INFO L226 Difference]: Without dead ends: 20449 [2022-10-16 15:09:47,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:09:47,626 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 57 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 242 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 15:09:47,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 242 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20449 states. [2022-10-16 15:09:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20449 to 20441. [2022-10-16 15:09:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20441 states, 20433 states have (on average 1.3999412714726178) internal successors, (28605), 20440 states have internal predecessors, (28605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20441 states to 20441 states and 28605 transitions. [2022-10-16 15:09:48,965 INFO L78 Accepts]: Start accepts. Automaton has 20441 states and 28605 transitions. Word has length 72 [2022-10-16 15:09:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:48,966 INFO L495 AbstractCegarLoop]: Abstraction has 20441 states and 28605 transitions. [2022-10-16 15:09:48,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 20441 states and 28605 transitions. [2022-10-16 15:09:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 15:09:48,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:48,970 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 15:09:48,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:09:48,970 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:48,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:48,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1778923000, now seen corresponding path program 1 times [2022-10-16 15:09:48,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:48,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373141643] [2022-10-16 15:09:48,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:48,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:09:49,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:49,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373141643] [2022-10-16 15:09:49,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373141643] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:49,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:49,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:49,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930719344] [2022-10-16 15:09:49,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:49,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:49,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:49,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:49,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:49,085 INFO L87 Difference]: Start difference. First operand 20441 states and 28605 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:50,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:50,178 INFO L93 Difference]: Finished difference Result 41463 states and 58653 transitions. [2022-10-16 15:09:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:09:50,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 15:09:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:50,243 INFO L225 Difference]: With dead ends: 41463 [2022-10-16 15:09:50,243 INFO L226 Difference]: Without dead ends: 25663 [2022-10-16 15:09:50,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:09:50,267 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 320 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:50,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 481 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:50,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25663 states. [2022-10-16 15:09:51,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25663 to 25369. [2022-10-16 15:09:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25369 states, 25361 states have (on average 1.3832656440992075) internal successors, (35081), 25368 states have internal predecessors, (35081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25369 states to 25369 states and 35081 transitions. [2022-10-16 15:09:52,040 INFO L78 Accepts]: Start accepts. Automaton has 25369 states and 35081 transitions. Word has length 72 [2022-10-16 15:09:52,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:52,041 INFO L495 AbstractCegarLoop]: Abstraction has 25369 states and 35081 transitions. [2022-10-16 15:09:52,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25369 states and 35081 transitions. [2022-10-16 15:09:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:09:52,044 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:52,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:52,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:09:52,045 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:52,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:52,046 INFO L85 PathProgramCache]: Analyzing trace with hash -687961507, now seen corresponding path program 1 times [2022-10-16 15:09:52,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:52,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31032416] [2022-10-16 15:09:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:09:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:52,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31032416] [2022-10-16 15:09:52,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31032416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:52,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:52,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:09:52,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265768337] [2022-10-16 15:09:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:52,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:09:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:09:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:09:52,179 INFO L87 Difference]: Start difference. First operand 25369 states and 35081 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:53,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:53,761 INFO L93 Difference]: Finished difference Result 37031 states and 52193 transitions. [2022-10-16 15:09:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:09:53,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 15:09:53,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:53,827 INFO L225 Difference]: With dead ends: 37031 [2022-10-16 15:09:53,827 INFO L226 Difference]: Without dead ends: 35589 [2022-10-16 15:09:53,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:09:53,838 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 334 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:53,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 365 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:53,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35589 states. [2022-10-16 15:09:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35589 to 22301. [2022-10-16 15:09:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22301 states, 22293 states have (on average 1.4064055981698291) internal successors, (31353), 22300 states have internal predecessors, (31353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22301 states to 22301 states and 31353 transitions. [2022-10-16 15:09:55,202 INFO L78 Accepts]: Start accepts. Automaton has 22301 states and 31353 transitions. Word has length 73 [2022-10-16 15:09:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:55,202 INFO L495 AbstractCegarLoop]: Abstraction has 22301 states and 31353 transitions. [2022-10-16 15:09:55,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 22301 states and 31353 transitions. [2022-10-16 15:09:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:09:55,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:55,206 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:55,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:09:55,206 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:55,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:55,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1298274125, now seen corresponding path program 1 times [2022-10-16 15:09:55,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:55,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498981398] [2022-10-16 15:09:55,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:55,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:09:55,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498981398] [2022-10-16 15:09:55,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498981398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:55,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:55,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:55,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498965466] [2022-10-16 15:09:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:55,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:55,307 INFO L87 Difference]: Start difference. First operand 22301 states and 31353 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:56,638 INFO L93 Difference]: Finished difference Result 29549 states and 42241 transitions. [2022-10-16 15:09:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:09:56,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:09:56,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:56,676 INFO L225 Difference]: With dead ends: 29549 [2022-10-16 15:09:56,676 INFO L226 Difference]: Without dead ends: 29547 [2022-10-16 15:09:56,683 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 15:09:56,684 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 140 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:56,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 352 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:09:56,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29547 states. [2022-10-16 15:09:58,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29547 to 29541. [2022-10-16 15:09:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29541 states, 29533 states have (on average 1.417295906274337) internal successors, (41857), 29540 states have internal predecessors, (41857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29541 states to 29541 states and 41857 transitions. [2022-10-16 15:09:58,155 INFO L78 Accepts]: Start accepts. Automaton has 29541 states and 41857 transitions. Word has length 74 [2022-10-16 15:09:58,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:09:58,156 INFO L495 AbstractCegarLoop]: Abstraction has 29541 states and 41857 transitions. [2022-10-16 15:09:58,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29541 states and 41857 transitions. [2022-10-16 15:09:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:09:58,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:09:58,159 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:09:58,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:09:58,159 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:09:58,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:09:58,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1591791874, now seen corresponding path program 1 times [2022-10-16 15:09:58,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:09:58,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127239771] [2022-10-16 15:09:58,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:09:58,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:09:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:09:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:09:58,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:09:58,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127239771] [2022-10-16 15:09:58,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127239771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:09:58,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:09:58,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:09:58,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704233040] [2022-10-16 15:09:58,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:09:58,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:09:58,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:09:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:09:58,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:09:58,247 INFO L87 Difference]: Start difference. First operand 29541 states and 41857 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:09:59,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:09:59,475 INFO L93 Difference]: Finished difference Result 29543 states and 41857 transitions. [2022-10-16 15:09:59,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:09:59,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 15:09:59,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:09:59,511 INFO L225 Difference]: With dead ends: 29543 [2022-10-16 15:09:59,511 INFO L226 Difference]: Without dead ends: 29541 [2022-10-16 15:09:59,519 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 15:09:59,519 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 134 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:09:59,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 283 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:09:59,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29541 states. [2022-10-16 15:10:01,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29541 to 26443. [2022-10-16 15:10:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26443 states, 26437 states have (on average 1.3871846276052502) internal successors, (36673), 26442 states have internal predecessors, (36673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26443 states to 26443 states and 36673 transitions. [2022-10-16 15:10:01,244 INFO L78 Accepts]: Start accepts. Automaton has 26443 states and 36673 transitions. Word has length 75 [2022-10-16 15:10:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:01,244 INFO L495 AbstractCegarLoop]: Abstraction has 26443 states and 36673 transitions. [2022-10-16 15:10:01,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 26443 states and 36673 transitions. [2022-10-16 15:10:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:10:01,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:01,247 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 15:10:01,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:10:01,247 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:01,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:01,248 INFO L85 PathProgramCache]: Analyzing trace with hash -162242669, now seen corresponding path program 1 times [2022-10-16 15:10:01,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:01,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891405234] [2022-10-16 15:10:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:01,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:10:01,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:01,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891405234] [2022-10-16 15:10:01,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891405234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:01,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:01,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:01,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661407650] [2022-10-16 15:10:01,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:01,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:01,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:01,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:01,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:01,374 INFO L87 Difference]: Start difference. First operand 26443 states and 36673 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:02,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:02,779 INFO L93 Difference]: Finished difference Result 29935 states and 41397 transitions. [2022-10-16 15:10:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:02,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:10:02,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:02,820 INFO L225 Difference]: With dead ends: 29935 [2022-10-16 15:10:02,820 INFO L226 Difference]: Without dead ends: 27587 [2022-10-16 15:10:02,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:02,828 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 220 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:02,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 588 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:02,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27587 states. [2022-10-16 15:10:04,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27587 to 27313. [2022-10-16 15:10:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27313 states, 27307 states have (on average 1.3848097557402863) internal successors, (37815), 27312 states have internal predecessors, (37815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27313 states to 27313 states and 37815 transitions. [2022-10-16 15:10:04,239 INFO L78 Accepts]: Start accepts. Automaton has 27313 states and 37815 transitions. Word has length 76 [2022-10-16 15:10:04,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:04,239 INFO L495 AbstractCegarLoop]: Abstraction has 27313 states and 37815 transitions. [2022-10-16 15:10:04,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27313 states and 37815 transitions. [2022-10-16 15:10:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 15:10:04,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:04,242 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:04,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:10:04,242 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:04,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:04,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2100907499, now seen corresponding path program 1 times [2022-10-16 15:10:04,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:04,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416947594] [2022-10-16 15:10:04,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:04,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:04,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:04,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416947594] [2022-10-16 15:10:04,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416947594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:04,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:04,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:04,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036294123] [2022-10-16 15:10:04,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:04,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:04,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:04,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:04,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:04,362 INFO L87 Difference]: Start difference. First operand 27313 states and 37815 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:06,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:06,062 INFO L93 Difference]: Finished difference Result 48669 states and 68375 transitions. [2022-10-16 15:10:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:06,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 15:10:06,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:06,101 INFO L225 Difference]: With dead ends: 48669 [2022-10-16 15:10:06,101 INFO L226 Difference]: Without dead ends: 31863 [2022-10-16 15:10:06,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:06,121 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 308 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:06,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 467 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:06,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31863 states. [2022-10-16 15:10:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31863 to 31585. [2022-10-16 15:10:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31585 states, 31579 states have (on average 1.3754393742677096) internal successors, (43435), 31584 states have internal predecessors, (43435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31585 states to 31585 states and 43435 transitions. [2022-10-16 15:10:07,847 INFO L78 Accepts]: Start accepts. Automaton has 31585 states and 43435 transitions. Word has length 76 [2022-10-16 15:10:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:07,847 INFO L495 AbstractCegarLoop]: Abstraction has 31585 states and 43435 transitions. [2022-10-16 15:10:07,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 31585 states and 43435 transitions. [2022-10-16 15:10:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 15:10:07,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:07,851 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:07,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:10:07,853 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:07,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:07,853 INFO L85 PathProgramCache]: Analyzing trace with hash -703622688, now seen corresponding path program 1 times [2022-10-16 15:10:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:07,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104451508] [2022-10-16 15:10:07,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:07,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:08,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:08,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104451508] [2022-10-16 15:10:08,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104451508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:08,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:08,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:08,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827531756] [2022-10-16 15:10:08,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:08,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:08,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:08,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:08,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:08,010 INFO L87 Difference]: Start difference. First operand 31585 states and 43435 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:10,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:10,001 INFO L93 Difference]: Finished difference Result 44325 states and 61667 transitions. [2022-10-16 15:10:10,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:10,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 15:10:10,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:10,052 INFO L225 Difference]: With dead ends: 44325 [2022-10-16 15:10:10,052 INFO L226 Difference]: Without dead ends: 43067 [2022-10-16 15:10:10,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:10,060 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 326 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:10,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 356 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:10,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43067 states. [2022-10-16 15:10:11,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43067 to 29485. [2022-10-16 15:10:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29485 states, 29479 states have (on average 1.377081990569558) internal successors, (40595), 29484 states have internal predecessors, (40595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29485 states to 29485 states and 40595 transitions. [2022-10-16 15:10:11,494 INFO L78 Accepts]: Start accepts. Automaton has 29485 states and 40595 transitions. Word has length 77 [2022-10-16 15:10:11,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:11,494 INFO L495 AbstractCegarLoop]: Abstraction has 29485 states and 40595 transitions. [2022-10-16 15:10:11,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 29485 states and 40595 transitions. [2022-10-16 15:10:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 15:10:11,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:11,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:11,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:10:11,498 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:11,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash -698399326, now seen corresponding path program 1 times [2022-10-16 15:10:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:11,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332052112] [2022-10-16 15:10:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:11,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:11,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332052112] [2022-10-16 15:10:11,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332052112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:11,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:11,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:11,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048706851] [2022-10-16 15:10:11,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:11,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:11,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:11,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:11,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:11,589 INFO L87 Difference]: Start difference. First operand 29485 states and 40595 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:13,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:13,822 INFO L93 Difference]: Finished difference Result 39769 states and 55571 transitions. [2022-10-16 15:10:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:10:13,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 15:10:13,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:13,869 INFO L225 Difference]: With dead ends: 39769 [2022-10-16 15:10:13,869 INFO L226 Difference]: Without dead ends: 39767 [2022-10-16 15:10:13,877 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 15:10:13,878 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 171 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:13,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 434 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:13,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39767 states. [2022-10-16 15:10:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39767 to 35797. [2022-10-16 15:10:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35797 states, 35791 states have (on average 1.3814366740241961) internal successors, (49443), 35796 states have internal predecessors, (49443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35797 states to 35797 states and 49443 transitions. [2022-10-16 15:10:15,659 INFO L78 Accepts]: Start accepts. Automaton has 35797 states and 49443 transitions. Word has length 78 [2022-10-16 15:10:15,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:15,659 INFO L495 AbstractCegarLoop]: Abstraction has 35797 states and 49443 transitions. [2022-10-16 15:10:15,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 35797 states and 49443 transitions. [2022-10-16 15:10:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:10:15,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:15,663 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:15,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:10:15,663 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:15,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:15,664 INFO L85 PathProgramCache]: Analyzing trace with hash -830568132, now seen corresponding path program 1 times [2022-10-16 15:10:15,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:15,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141698726] [2022-10-16 15:10:15,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:15,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:15,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:15,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141698726] [2022-10-16 15:10:15,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141698726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:15,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:15,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:15,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835772408] [2022-10-16 15:10:15,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:15,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:15,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:15,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:15,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:15,787 INFO L87 Difference]: Start difference. First operand 35797 states and 49443 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:17,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:17,838 INFO L93 Difference]: Finished difference Result 41489 states and 57275 transitions. [2022-10-16 15:10:17,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:17,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 80 [2022-10-16 15:10:17,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:17,883 INFO L225 Difference]: With dead ends: 41489 [2022-10-16 15:10:17,883 INFO L226 Difference]: Without dead ends: 39791 [2022-10-16 15:10:17,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:17,892 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 211 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:17,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 585 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39791 states. [2022-10-16 15:10:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39791 to 38385. [2022-10-16 15:10:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38385 states, 38379 states have (on average 1.3787487949138852) internal successors, (52915), 38384 states have internal predecessors, (52915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:19,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38385 states to 38385 states and 52915 transitions. [2022-10-16 15:10:19,989 INFO L78 Accepts]: Start accepts. Automaton has 38385 states and 52915 transitions. Word has length 80 [2022-10-16 15:10:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:19,990 INFO L495 AbstractCegarLoop]: Abstraction has 38385 states and 52915 transitions. [2022-10-16 15:10:19,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:19,990 INFO L276 IsEmpty]: Start isEmpty. Operand 38385 states and 52915 transitions. [2022-10-16 15:10:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 15:10:19,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:19,993 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:19,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:10:19,994 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1146843324, now seen corresponding path program 1 times [2022-10-16 15:10:19,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:19,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813227868] [2022-10-16 15:10:19,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:19,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:20,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:20,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813227868] [2022-10-16 15:10:20,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813227868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:20,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:20,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:20,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685957414] [2022-10-16 15:10:20,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:20,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:20,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:20,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:20,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:20,117 INFO L87 Difference]: Start difference. First operand 38385 states and 52915 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:22,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:22,806 INFO L93 Difference]: Finished difference Result 49771 states and 69155 transitions. [2022-10-16 15:10:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:22,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 80 [2022-10-16 15:10:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:22,869 INFO L225 Difference]: With dead ends: 49771 [2022-10-16 15:10:22,869 INFO L226 Difference]: Without dead ends: 49497 [2022-10-16 15:10:22,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:22,886 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 224 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:22,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 583 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49497 states. [2022-10-16 15:10:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49497 to 47233. [2022-10-16 15:10:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47233 states, 47227 states have (on average 1.3791898702013679) internal successors, (65135), 47232 states have internal predecessors, (65135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47233 states to 47233 states and 65135 transitions. [2022-10-16 15:10:25,245 INFO L78 Accepts]: Start accepts. Automaton has 47233 states and 65135 transitions. Word has length 80 [2022-10-16 15:10:25,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:25,245 INFO L495 AbstractCegarLoop]: Abstraction has 47233 states and 65135 transitions. [2022-10-16 15:10:25,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 47233 states and 65135 transitions. [2022-10-16 15:10:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:10:25,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:25,253 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:25,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:10:25,254 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:25,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1192404335, now seen corresponding path program 1 times [2022-10-16 15:10:25,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:25,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682928521] [2022-10-16 15:10:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:25,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:25,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682928521] [2022-10-16 15:10:25,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682928521] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:25,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:25,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:25,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85111383] [2022-10-16 15:10:25,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:25,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:25,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:25,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:25,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:25,390 INFO L87 Difference]: Start difference. First operand 47233 states and 65135 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:27,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:27,654 INFO L93 Difference]: Finished difference Result 58900 states and 80953 transitions. [2022-10-16 15:10:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:27,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 15:10:27,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:27,696 INFO L225 Difference]: With dead ends: 58900 [2022-10-16 15:10:27,696 INFO L226 Difference]: Without dead ends: 38500 [2022-10-16 15:10:27,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:27,709 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 210 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:27,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 498 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38500 states. [2022-10-16 15:10:29,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38500 to 28901. [2022-10-16 15:10:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28901 states, 28895 states have (on average 1.362415642844783) internal successors, (39367), 28900 states have internal predecessors, (39367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28901 states to 28901 states and 39367 transitions. [2022-10-16 15:10:29,482 INFO L78 Accepts]: Start accepts. Automaton has 28901 states and 39367 transitions. Word has length 81 [2022-10-16 15:10:29,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:29,483 INFO L495 AbstractCegarLoop]: Abstraction has 28901 states and 39367 transitions. [2022-10-16 15:10:29,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:29,483 INFO L276 IsEmpty]: Start isEmpty. Operand 28901 states and 39367 transitions. [2022-10-16 15:10:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:10:29,486 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:29,486 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:29,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:10:29,486 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:29,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -117460387, now seen corresponding path program 1 times [2022-10-16 15:10:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:29,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128432507] [2022-10-16 15:10:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:29,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:29,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:29,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128432507] [2022-10-16 15:10:29,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128432507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:29,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:29,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:29,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332012028] [2022-10-16 15:10:29,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:29,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:29,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:29,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:29,618 INFO L87 Difference]: Start difference. First operand 28901 states and 39367 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 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 15:10:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:31,638 INFO L93 Difference]: Finished difference Result 31341 states and 42571 transitions. [2022-10-16 15:10:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:31,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 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 84 [2022-10-16 15:10:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:31,671 INFO L225 Difference]: With dead ends: 31341 [2022-10-16 15:10:31,671 INFO L226 Difference]: Without dead ends: 28500 [2022-10-16 15:10:31,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:31,680 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 242 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:31,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 565 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28500 states. [2022-10-16 15:10:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28500 to 27949. [2022-10-16 15:10:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27949 states, 27943 states have (on average 1.364169917331711) internal successors, (38119), 27948 states have internal predecessors, (38119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27949 states to 27949 states and 38119 transitions. [2022-10-16 15:10:33,259 INFO L78 Accepts]: Start accepts. Automaton has 27949 states and 38119 transitions. Word has length 84 [2022-10-16 15:10:33,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:33,259 INFO L495 AbstractCegarLoop]: Abstraction has 27949 states and 38119 transitions. [2022-10-16 15:10:33,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 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 15:10:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 27949 states and 38119 transitions. [2022-10-16 15:10:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 15:10:33,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:33,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:33,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 15:10:33,265 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:33,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:33,265 INFO L85 PathProgramCache]: Analyzing trace with hash -427633731, now seen corresponding path program 1 times [2022-10-16 15:10:33,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:33,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40501109] [2022-10-16 15:10:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-16 15:10:33,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:33,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40501109] [2022-10-16 15:10:33,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40501109] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:33,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:33,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:33,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350208096] [2022-10-16 15:10:33,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:33,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:33,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:33,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:33,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:33,343 INFO L87 Difference]: Start difference. First operand 27949 states and 38119 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 15:10:34,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:34,366 INFO L93 Difference]: Finished difference Result 31483 states and 42925 transitions. [2022-10-16 15:10:34,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:34,366 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 102 [2022-10-16 15:10:34,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:34,389 INFO L225 Difference]: With dead ends: 31483 [2022-10-16 15:10:34,390 INFO L226 Difference]: Without dead ends: 18877 [2022-10-16 15:10:34,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:34,404 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 47 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:34,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 253 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:34,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18877 states. [2022-10-16 15:10:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18877 to 18854. [2022-10-16 15:10:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18854 states, 18848 states have (on average 1.3531939728353142) internal successors, (25505), 18853 states have internal predecessors, (25505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18854 states to 18854 states and 25505 transitions. [2022-10-16 15:10:35,647 INFO L78 Accepts]: Start accepts. Automaton has 18854 states and 25505 transitions. Word has length 102 [2022-10-16 15:10:35,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:35,647 INFO L495 AbstractCegarLoop]: Abstraction has 18854 states and 25505 transitions. [2022-10-16 15:10:35,647 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 15:10:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18854 states and 25505 transitions. [2022-10-16 15:10:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 15:10:35,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:35,652 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:35,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 15:10:35,652 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:35,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:35,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1866737116, now seen corresponding path program 2 times [2022-10-16 15:10:35,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:35,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047029451] [2022-10-16 15:10:35,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:35,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 15:10:35,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:35,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047029451] [2022-10-16 15:10:35,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047029451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:35,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:35,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:35,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058947106] [2022-10-16 15:10:35,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:35,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:35,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:35,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:35,806 INFO L87 Difference]: Start difference. First operand 18854 states and 25505 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 15:10:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:36,972 INFO L93 Difference]: Finished difference Result 19966 states and 26945 transitions. [2022-10-16 15:10:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:36,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 103 [2022-10-16 15:10:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:36,989 INFO L225 Difference]: With dead ends: 19966 [2022-10-16 15:10:36,989 INFO L226 Difference]: Without dead ends: 18386 [2022-10-16 15:10:36,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:36,994 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 178 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:36,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 486 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18386 states. [2022-10-16 15:10:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18386 to 16718. [2022-10-16 15:10:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16718 states, 16712 states have (on average 1.3586644327429391) internal successors, (22706), 16717 states have internal predecessors, (22706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16718 states to 16718 states and 22706 transitions. [2022-10-16 15:10:37,908 INFO L78 Accepts]: Start accepts. Automaton has 16718 states and 22706 transitions. Word has length 103 [2022-10-16 15:10:37,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:37,909 INFO L495 AbstractCegarLoop]: Abstraction has 16718 states and 22706 transitions. [2022-10-16 15:10:37,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 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 15:10:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 16718 states and 22706 transitions. [2022-10-16 15:10:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:10:37,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:37,915 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 15:10:37,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 15:10:37,916 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:37,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:37,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1337034522, now seen corresponding path program 1 times [2022-10-16 15:10:37,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:37,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504180795] [2022-10-16 15:10:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:37,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 15:10:37,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:37,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504180795] [2022-10-16 15:10:37,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504180795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:37,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:37,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:37,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203044974] [2022-10-16 15:10:37,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:37,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:37,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:37,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:37,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:37,999 INFO L87 Difference]: Start difference. First operand 16718 states and 22706 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:38,658 INFO L93 Difference]: Finished difference Result 18122 states and 24482 transitions. [2022-10-16 15:10:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:38,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 15:10:38,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:38,672 INFO L225 Difference]: With dead ends: 18122 [2022-10-16 15:10:38,672 INFO L226 Difference]: Without dead ends: 11190 [2022-10-16 15:10:38,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:38,681 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 43 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:38,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 276 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:38,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2022-10-16 15:10:39,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11188. [2022-10-16 15:10:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11188 states, 11182 states have (on average 1.3362546950456091) internal successors, (14942), 11187 states have internal predecessors, (14942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11188 states to 11188 states and 14942 transitions. [2022-10-16 15:10:39,433 INFO L78 Accepts]: Start accepts. Automaton has 11188 states and 14942 transitions. Word has length 105 [2022-10-16 15:10:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:39,433 INFO L495 AbstractCegarLoop]: Abstraction has 11188 states and 14942 transitions. [2022-10-16 15:10:39,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 11188 states and 14942 transitions. [2022-10-16 15:10:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:10:39,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:39,439 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:39,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 15:10:39,440 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:39,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1467480243, now seen corresponding path program 2 times [2022-10-16 15:10:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:39,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599403208] [2022-10-16 15:10:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:39,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599403208] [2022-10-16 15:10:39,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599403208] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:39,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:39,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:39,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918293125] [2022-10-16 15:10:39,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:39,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:39,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:39,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:39,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:39,547 INFO L87 Difference]: Start difference. First operand 11188 states and 14942 transitions. Second operand has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:40,226 INFO L93 Difference]: Finished difference Result 11671 states and 15554 transitions. [2022-10-16 15:10:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:10:40,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-16 15:10:40,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:40,236 INFO L225 Difference]: With dead ends: 11671 [2022-10-16 15:10:40,236 INFO L226 Difference]: Without dead ends: 11669 [2022-10-16 15:10:40,238 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 15:10:40,239 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 125 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:40,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 510 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:40,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2022-10-16 15:10:40,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 11186. [2022-10-16 15:10:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11186 states, 11182 states have (on average 1.3133607583616527) internal successors, (14686), 11185 states have internal predecessors, (14686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11186 states to 11186 states and 14686 transitions. [2022-10-16 15:10:40,821 INFO L78 Accepts]: Start accepts. Automaton has 11186 states and 14686 transitions. Word has length 106 [2022-10-16 15:10:40,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:40,821 INFO L495 AbstractCegarLoop]: Abstraction has 11186 states and 14686 transitions. [2022-10-16 15:10:40,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.0) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 11186 states and 14686 transitions. [2022-10-16 15:10:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:10:40,825 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:40,826 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:40,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 15:10:40,826 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:40,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:40,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1579438195, now seen corresponding path program 2 times [2022-10-16 15:10:40,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:40,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166705260] [2022-10-16 15:10:40,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:40,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 15:10:40,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:40,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166705260] [2022-10-16 15:10:40,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166705260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:40,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:40,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:40,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004211372] [2022-10-16 15:10:40,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:40,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:40,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:40,967 INFO L87 Difference]: Start difference. First operand 11186 states and 14686 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:41,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:41,657 INFO L93 Difference]: Finished difference Result 11764 states and 15434 transitions. [2022-10-16 15:10:41,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 15:10:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:41,672 INFO L225 Difference]: With dead ends: 11764 [2022-10-16 15:10:41,672 INFO L226 Difference]: Without dead ends: 10366 [2022-10-16 15:10:41,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:41,677 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 174 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:41,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 576 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10366 states. [2022-10-16 15:10:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10366 to 9214. [2022-10-16 15:10:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9214 states, 9210 states have (on average 1.3169381107491858) internal successors, (12129), 9213 states have internal predecessors, (12129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9214 states to 9214 states and 12129 transitions. [2022-10-16 15:10:42,176 INFO L78 Accepts]: Start accepts. Automaton has 9214 states and 12129 transitions. Word has length 108 [2022-10-16 15:10:42,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:42,176 INFO L495 AbstractCegarLoop]: Abstraction has 9214 states and 12129 transitions. [2022-10-16 15:10:42,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 9214 states and 12129 transitions. [2022-10-16 15:10:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:10:42,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:42,180 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:42,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 15:10:42,181 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:42,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1499229649, now seen corresponding path program 2 times [2022-10-16 15:10:42,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:42,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846739688] [2022-10-16 15:10:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:42,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:42,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:42,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846739688] [2022-10-16 15:10:42,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846739688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:42,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:42,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:42,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969768986] [2022-10-16 15:10:42,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:42,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:42,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:42,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:42,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:42,315 INFO L87 Difference]: Start difference. First operand 9214 states and 12129 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:42,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:42,783 INFO L93 Difference]: Finished difference Result 9218 states and 12129 transitions. [2022-10-16 15:10:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:42,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 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 108 [2022-10-16 15:10:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:42,792 INFO L225 Difference]: With dead ends: 9218 [2022-10-16 15:10:42,793 INFO L226 Difference]: Without dead ends: 8940 [2022-10-16 15:10:42,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:42,796 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 170 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:42,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 452 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:42,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8940 states. [2022-10-16 15:10:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8940 to 8938. [2022-10-16 15:10:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8938 states, 8934 states have (on average 1.3021043205730916) internal successors, (11633), 8937 states have internal predecessors, (11633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8938 states to 8938 states and 11633 transitions. [2022-10-16 15:10:43,224 INFO L78 Accepts]: Start accepts. Automaton has 8938 states and 11633 transitions. Word has length 108 [2022-10-16 15:10:43,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:43,225 INFO L495 AbstractCegarLoop]: Abstraction has 8938 states and 11633 transitions. [2022-10-16 15:10:43,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 8938 states and 11633 transitions. [2022-10-16 15:10:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:10:43,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:43,229 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:43,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 15:10:43,229 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:43,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:43,230 INFO L85 PathProgramCache]: Analyzing trace with hash 768521478, now seen corresponding path program 2 times [2022-10-16 15:10:43,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:43,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270710989] [2022-10-16 15:10:43,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:43,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:43,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:43,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270710989] [2022-10-16 15:10:43,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270710989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:43,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:43,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:43,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677791471] [2022-10-16 15:10:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:43,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:43,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:43,366 INFO L87 Difference]: Start difference. First operand 8938 states and 11633 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:43,893 INFO L93 Difference]: Finished difference Result 12126 states and 15785 transitions. [2022-10-16 15:10:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:43,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-16 15:10:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:43,900 INFO L225 Difference]: With dead ends: 12126 [2022-10-16 15:10:43,900 INFO L226 Difference]: Without dead ends: 6160 [2022-10-16 15:10:43,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:43,905 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 155 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:43,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 402 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:43,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6160 states. [2022-10-16 15:10:44,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6160 to 4302. [2022-10-16 15:10:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4302 states, 4301 states have (on average 1.2659846547314577) internal successors, (5445), 4301 states have internal predecessors, (5445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4302 states to 4302 states and 5445 transitions. [2022-10-16 15:10:44,165 INFO L78 Accepts]: Start accepts. Automaton has 4302 states and 5445 transitions. Word has length 109 [2022-10-16 15:10:44,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:44,165 INFO L495 AbstractCegarLoop]: Abstraction has 4302 states and 5445 transitions. [2022-10-16 15:10:44,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4302 states and 5445 transitions. [2022-10-16 15:10:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:10:44,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:44,169 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:44,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 15:10:44,169 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:44,170 INFO L85 PathProgramCache]: Analyzing trace with hash 945277570, now seen corresponding path program 1 times [2022-10-16 15:10:44,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:44,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489321762] [2022-10-16 15:10:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:44,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:44,252 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 15:10:44,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:44,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489321762] [2022-10-16 15:10:44,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489321762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:44,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:44,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:44,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689987537] [2022-10-16 15:10:44,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:44,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:44,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:44,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:44,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:44,254 INFO L87 Difference]: Start difference. First operand 4302 states and 5445 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:10:44,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:44,480 INFO L93 Difference]: Finished difference Result 4304 states and 5446 transitions. [2022-10-16 15:10:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:44,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 110 [2022-10-16 15:10:44,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:44,484 INFO L225 Difference]: With dead ends: 4304 [2022-10-16 15:10:44,484 INFO L226 Difference]: Without dead ends: 3047 [2022-10-16 15:10:44,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:44,485 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 27 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:44,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 126 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:44,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2022-10-16 15:10:44,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 3046. [2022-10-16 15:10:44,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3045 states have (on average 1.2627257799671592) internal successors, (3845), 3045 states have internal predecessors, (3845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 3845 transitions. [2022-10-16 15:10:44,658 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 3845 transitions. Word has length 110 [2022-10-16 15:10:44,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:44,659 INFO L495 AbstractCegarLoop]: Abstraction has 3046 states and 3845 transitions. [2022-10-16 15:10:44,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 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 15:10:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3845 transitions. [2022-10-16 15:10:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:10:44,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:44,662 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:44,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 15:10:44,662 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:44,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash 847597437, now seen corresponding path program 1 times [2022-10-16 15:10:44,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:44,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409181496] [2022-10-16 15:10:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:44,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:10:44,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:44,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409181496] [2022-10-16 15:10:44,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409181496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:44,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:44,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:44,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059883607] [2022-10-16 15:10:44,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:44,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:44,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:44,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:44,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:44,804 INFO L87 Difference]: Start difference. First operand 3046 states and 3845 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:45,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:45,114 INFO L93 Difference]: Finished difference Result 3840 states and 4865 transitions. [2022-10-16 15:10:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:45,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:10:45,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:45,118 INFO L225 Difference]: With dead ends: 3840 [2022-10-16 15:10:45,118 INFO L226 Difference]: Without dead ends: 2999 [2022-10-16 15:10:45,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:45,121 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 157 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:45,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 545 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:45,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2022-10-16 15:10:45,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2998. [2022-10-16 15:10:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2997 states have (on average 1.261594928261595) internal successors, (3781), 2997 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3781 transitions. [2022-10-16 15:10:45,330 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3781 transitions. Word has length 112 [2022-10-16 15:10:45,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:45,330 INFO L495 AbstractCegarLoop]: Abstraction has 2998 states and 3781 transitions. [2022-10-16 15:10:45,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3781 transitions. [2022-10-16 15:10:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:10:45,333 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:45,333 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:45,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 15:10:45,333 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:45,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:45,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1330722957, now seen corresponding path program 2 times [2022-10-16 15:10:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:45,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992480269] [2022-10-16 15:10:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:45,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:45,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:45,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992480269] [2022-10-16 15:10:45,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992480269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:45,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:45,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:45,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035005510] [2022-10-16 15:10:45,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:45,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:45,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:45,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:45,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:45,470 INFO L87 Difference]: Start difference. First operand 2998 states and 3781 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:45,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:45,981 INFO L93 Difference]: Finished difference Result 4164 states and 5273 transitions. [2022-10-16 15:10:45,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:45,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-16 15:10:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:45,985 INFO L225 Difference]: With dead ends: 4164 [2022-10-16 15:10:45,985 INFO L226 Difference]: Without dead ends: 2999 [2022-10-16 15:10:45,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:45,987 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 160 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:45,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 678 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:45,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2022-10-16 15:10:46,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2998. [2022-10-16 15:10:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2997 states have (on average 1.2562562562562563) internal successors, (3765), 2997 states have internal predecessors, (3765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3765 transitions. [2022-10-16 15:10:46,226 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3765 transitions. Word has length 112 [2022-10-16 15:10:46,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:46,227 INFO L495 AbstractCegarLoop]: Abstraction has 2998 states and 3765 transitions. [2022-10-16 15:10:46,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3765 transitions. [2022-10-16 15:10:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:10:46,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:46,230 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:46,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 15:10:46,230 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:46,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 376250829, now seen corresponding path program 2 times [2022-10-16 15:10:46,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:46,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196657813] [2022-10-16 15:10:46,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:46,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:10:46,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:46,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196657813] [2022-10-16 15:10:46,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196657813] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:46,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:46,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:46,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218734720] [2022-10-16 15:10:46,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:46,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:46,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:46,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:46,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:46,366 INFO L87 Difference]: Start difference. First operand 2998 states and 3765 transitions. Second operand has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:46,681 INFO L93 Difference]: Finished difference Result 3248 states and 4077 transitions. [2022-10-16 15:10:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 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 113 [2022-10-16 15:10:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:46,684 INFO L225 Difference]: With dead ends: 3248 [2022-10-16 15:10:46,684 INFO L226 Difference]: Without dead ends: 2703 [2022-10-16 15:10:46,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:46,686 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 164 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:46,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 530 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:46,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2703 states. [2022-10-16 15:10:46,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2703 to 2454. [2022-10-16 15:10:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2454 states, 2453 states have (on average 1.2478597635548307) internal successors, (3061), 2453 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2454 states and 3061 transitions. [2022-10-16 15:10:46,822 INFO L78 Accepts]: Start accepts. Automaton has 2454 states and 3061 transitions. Word has length 113 [2022-10-16 15:10:46,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:46,822 INFO L495 AbstractCegarLoop]: Abstraction has 2454 states and 3061 transitions. [2022-10-16 15:10:46,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 3061 transitions. [2022-10-16 15:10:46,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:10:46,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:46,824 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:46,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 15:10:46,825 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:46,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:46,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1923733453, now seen corresponding path program 3 times [2022-10-16 15:10:46,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:46,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450768787] [2022-10-16 15:10:46,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:10:46,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:46,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450768787] [2022-10-16 15:10:46,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450768787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:46,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:46,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:46,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655590116] [2022-10-16 15:10:46,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:46,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:46,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:46,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:46,953 INFO L87 Difference]: Start difference. First operand 2454 states and 3061 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:47,165 INFO L93 Difference]: Finished difference Result 2455 states and 3061 transitions. [2022-10-16 15:10:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:47,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 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 113 [2022-10-16 15:10:47,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:47,168 INFO L225 Difference]: With dead ends: 2455 [2022-10-16 15:10:47,168 INFO L226 Difference]: Without dead ends: 1538 [2022-10-16 15:10:47,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:47,169 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 149 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:47,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 589 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2022-10-16 15:10:47,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1538. [2022-10-16 15:10:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1537 states have (on average 1.2420299284320104) internal successors, (1909), 1537 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 1909 transitions. [2022-10-16 15:10:47,260 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 1909 transitions. Word has length 113 [2022-10-16 15:10:47,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:47,260 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 1909 transitions. [2022-10-16 15:10:47,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1909 transitions. [2022-10-16 15:10:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 15:10:47,262 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:47,262 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:47,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 15:10:47,262 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 15:10:47,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:47,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1516813946, now seen corresponding path program 1 times [2022-10-16 15:10:47,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:47,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790729169] [2022-10-16 15:10:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:47,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 15:10:47,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:47,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790729169] [2022-10-16 15:10:47,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790729169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:47,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:47,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:10:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163576211] [2022-10-16 15:10:47,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:47,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:47,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:47,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:47,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:47,423 INFO L87 Difference]: Start difference. First operand 1538 states and 1909 transitions. Second operand has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:47,667 INFO L93 Difference]: Finished difference Result 1538 states and 1909 transitions. [2022-10-16 15:10:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:47,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-10-16 15:10:47,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:47,668 INFO L225 Difference]: With dead ends: 1538 [2022-10-16 15:10:47,668 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 15:10:47,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:47,670 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 135 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:47,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 544 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:10:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 15:10:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 15:10:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 15:10:47,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-10-16 15:10:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:47,671 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 15:10:47,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.5) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 15:10:47,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 15:10:47,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 15:10:47,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 15:10:47,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 15:10:47,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 15:10:47,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 15:10:47,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 15:10:47,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 15:10:47,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 15:10:47,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 15:10:47,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 15:10:47,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 15:10:47,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 15:10:47,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 15:10:47,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 15:10:47,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 15:10:47,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 15:12:30,485 WARN L233 SmtUtils]: Spent 1.71m on a formula simplification. DAG size of input: 3543 DAG size of output: 3539 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)