/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:56:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:56:08,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:56:08,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:56:08,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:56:08,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:56:08,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:56:08,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:56:08,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:56:08,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:56:08,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:56:08,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:56:08,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:56:08,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:56:08,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:56:08,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:56:08,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:56:08,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:56:08,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:56:08,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:56:08,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:56:08,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:56:08,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:56:08,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:56:08,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:56:08,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:56:08,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:56:08,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:56:08,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:56:08,979 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:56:08,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:56:08,981 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:56:08,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:56:08,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:56:08,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:56:08,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:56:08,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:56:08,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:56:08,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:56:08,983 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:56:08,983 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:56:08,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:56:08,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:56:08,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:56:08,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:56:08,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:56:08,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:56:08,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:56:08,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:56:08,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:56:08,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:56:08,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:56:08,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:56:08,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:56:08,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:56:09,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:56:09,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:56:09,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:56:09,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:56:09,465 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:56:09,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2022-10-15 21:56:09,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a0db756/75902ff67f7b4215a77f1488da447866/FLAGa0a0aecf5 [2022-10-15 21:56:10,189 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:56:10,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2022-10-15 21:56:10,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a0db756/75902ff67f7b4215a77f1488da447866/FLAGa0a0aecf5 [2022-10-15 21:56:10,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a0db756/75902ff67f7b4215a77f1488da447866 [2022-10-15 21:56:10,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:56:10,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:56:10,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:56:10,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:56:10,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:56:10,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:56:10" (1/1) ... [2022-10-15 21:56:10,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bbd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:10, skipping insertion in model container [2022-10-15 21:56:10,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:56:10" (1/1) ... [2022-10-15 21:56:10,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:56:10,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:56:10,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c[16964,16977] [2022-10-15 21:56:10,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:56:10,942 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:56:11,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c[16964,16977] [2022-10-15 21:56:11,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:56:11,159 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:56:11,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11 WrapperNode [2022-10-15 21:56:11,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:56:11,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:56:11,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:56:11,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:56:11,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,292 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 491 [2022-10-15 21:56:11,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:56:11,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:56:11,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:56:11,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:56:11,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:56:11,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:56:11,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:56:11,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:56:11,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (1/1) ... [2022-10-15 21:56:11,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:56:11,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:56:11,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:56:11,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:56:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:56:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:56:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:56:11,733 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:56:11,742 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:56:12,735 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:56:12,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:56:12,751 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:56:12,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:56:12 BoogieIcfgContainer [2022-10-15 21:56:12,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:56:12,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:56:12,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:56:12,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:56:12,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:56:10" (1/3) ... [2022-10-15 21:56:12,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19545585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:56:12, skipping insertion in model container [2022-10-15 21:56:12,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:56:11" (2/3) ... [2022-10-15 21:56:12,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19545585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:56:12, skipping insertion in model container [2022-10-15 21:56:12,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:56:12" (3/3) ... [2022-10-15 21:56:12,770 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.UNBOUNDED.pals.c [2022-10-15 21:56:12,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:56:12,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-15 21:56:12,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:56:12,887 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;@2f8c8d58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:56:12,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-15 21:56:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 176 states have (on average 1.7670454545454546) internal successors, (311), 208 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:56:12,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:12,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:56:12,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:12,915 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:56:12,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:12,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359521930] [2022-10-15 21:56:12,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:12,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:13,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:13,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359521930] [2022-10-15 21:56:13,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359521930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:13,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:13,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 21:56:13,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694340534] [2022-10-15 21:56:13,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:13,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:56:13,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:13,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:56:13,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:56:13,280 INFO L87 Difference]: Start difference. First operand has 209 states, 176 states have (on average 1.7670454545454546) internal successors, (311), 208 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:13,368 INFO L93 Difference]: Finished difference Result 346 states and 511 transitions. [2022-10-15 21:56:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:56:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 21:56:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:13,385 INFO L225 Difference]: With dead ends: 346 [2022-10-15 21:56:13,385 INFO L226 Difference]: Without dead ends: 192 [2022-10-15 21:56:13,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:56:13,396 INFO L413 NwaCegarLoop]: 292 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, 292 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:13,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:13,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-15 21:56:13,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2022-10-15 21:56:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 172 states have (on average 1.691860465116279) internal successors, (291), 191 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 291 transitions. [2022-10-15 21:56:13,477 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 291 transitions. Word has length 4 [2022-10-15 21:56:13,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:13,478 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 291 transitions. [2022-10-15 21:56:13,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 291 transitions. [2022-10-15 21:56:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 21:56:13,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:13,483 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] [2022-10-15 21:56:13,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:56:13,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:13,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1286709061, now seen corresponding path program 1 times [2022-10-15 21:56:13,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:13,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579608939] [2022-10-15 21:56:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:13,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:13,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:13,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579608939] [2022-10-15 21:56:13,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579608939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:13,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:13,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:13,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444561912] [2022-10-15 21:56:13,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:13,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:13,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:13,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:13,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:13,867 INFO L87 Difference]: Start difference. First operand 192 states and 291 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:14,077 INFO L93 Difference]: Finished difference Result 331 states and 488 transitions. [2022-10-15 21:56:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:14,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-10-15 21:56:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:14,087 INFO L225 Difference]: With dead ends: 331 [2022-10-15 21:56:14,087 INFO L226 Difference]: Without dead ends: 192 [2022-10-15 21:56:14,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:14,101 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 3 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:14,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1112 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:14,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-15 21:56:14,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2022-10-15 21:56:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 172 states have (on average 1.4534883720930232) internal successors, (250), 191 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 250 transitions. [2022-10-15 21:56:14,138 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 250 transitions. Word has length 34 [2022-10-15 21:56:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:14,139 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 250 transitions. [2022-10-15 21:56:14,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 250 transitions. [2022-10-15 21:56:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 21:56:14,192 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:14,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:14,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:56:14,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:14,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:14,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1042658917, now seen corresponding path program 1 times [2022-10-15 21:56:14,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:14,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914596383] [2022-10-15 21:56:14,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:14,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:14,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:14,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914596383] [2022-10-15 21:56:14,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914596383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:14,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:14,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:14,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482285824] [2022-10-15 21:56:14,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:14,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:14,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:14,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:14,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:14,433 INFO L87 Difference]: Start difference. First operand 192 states and 250 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:14,471 INFO L93 Difference]: Finished difference Result 450 states and 616 transitions. [2022-10-15 21:56:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:14,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 21:56:14,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:14,476 INFO L225 Difference]: With dead ends: 450 [2022-10-15 21:56:14,476 INFO L226 Difference]: Without dead ends: 315 [2022-10-15 21:56:14,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:14,489 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 176 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:14,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 590 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:14,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-10-15 21:56:14,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 295. [2022-10-15 21:56:14,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 275 states have (on average 1.5345454545454544) internal successors, (422), 294 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 422 transitions. [2022-10-15 21:56:14,548 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 422 transitions. Word has length 84 [2022-10-15 21:56:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:14,550 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 422 transitions. [2022-10-15 21:56:14,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 422 transitions. [2022-10-15 21:56:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 21:56:14,563 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:14,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:14,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:56:14,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:14,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:14,567 INFO L85 PathProgramCache]: Analyzing trace with hash 341268613, now seen corresponding path program 1 times [2022-10-15 21:56:14,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:14,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786716353] [2022-10-15 21:56:14,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:14,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:14,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:14,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786716353] [2022-10-15 21:56:14,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786716353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:14,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:14,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:14,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290252711] [2022-10-15 21:56:14,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:14,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:14,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:14,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:14,817 INFO L87 Difference]: Start difference. First operand 295 states and 422 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:14,872 INFO L93 Difference]: Finished difference Result 747 states and 1112 transitions. [2022-10-15 21:56:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:14,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-15 21:56:14,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:14,882 INFO L225 Difference]: With dead ends: 747 [2022-10-15 21:56:14,882 INFO L226 Difference]: Without dead ends: 509 [2022-10-15 21:56:14,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:14,888 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 171 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:14,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 581 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:14,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-10-15 21:56:14,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 489. [2022-10-15 21:56:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 469 states have (on average 1.5884861407249466) internal successors, (745), 488 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 745 transitions. [2022-10-15 21:56:14,932 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 745 transitions. Word has length 85 [2022-10-15 21:56:14,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:14,934 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 745 transitions. [2022-10-15 21:56:14,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 745 transitions. [2022-10-15 21:56:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:56:14,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:14,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:14,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:56:14,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1050193771, now seen corresponding path program 1 times [2022-10-15 21:56:14,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:14,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403053533] [2022-10-15 21:56:14,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403053533] [2022-10-15 21:56:15,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403053533] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:15,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736400189] [2022-10-15 21:56:15,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:15,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:15,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,116 INFO L87 Difference]: Start difference. First operand 489 states and 745 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,180 INFO L93 Difference]: Finished difference Result 1305 states and 2041 transitions. [2022-10-15 21:56:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:15,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-15 21:56:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,189 INFO L225 Difference]: With dead ends: 1305 [2022-10-15 21:56:15,189 INFO L226 Difference]: Without dead ends: 873 [2022-10-15 21:56:15,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,193 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 166 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 572 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2022-10-15 21:56:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 853. [2022-10-15 21:56:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 833 states have (on average 1.6194477791116446) internal successors, (1349), 852 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1349 transitions. [2022-10-15 21:56:15,269 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1349 transitions. Word has length 86 [2022-10-15 21:56:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:15,270 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1349 transitions. [2022-10-15 21:56:15,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1349 transitions. [2022-10-15 21:56:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 21:56:15,272 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:15,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:15,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:56:15,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:15,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1646688811, now seen corresponding path program 1 times [2022-10-15 21:56:15,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:15,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603696853] [2022-10-15 21:56:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:15,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603696853] [2022-10-15 21:56:15,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603696853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:15,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468572427] [2022-10-15 21:56:15,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:15,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:15,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,402 INFO L87 Difference]: Start difference. First operand 853 states and 1349 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,494 INFO L93 Difference]: Finished difference Result 2349 states and 3773 transitions. [2022-10-15 21:56:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:15,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 21:56:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:15,508 INFO L225 Difference]: With dead ends: 2349 [2022-10-15 21:56:15,508 INFO L226 Difference]: Without dead ends: 1553 [2022-10-15 21:56:15,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,513 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 161 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:15,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 563 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-10-15 21:56:15,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1533. [2022-10-15 21:56:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1513 states have (on average 1.634500991407799) internal successors, (2473), 1532 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2473 transitions. [2022-10-15 21:56:15,646 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2473 transitions. Word has length 87 [2022-10-15 21:56:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:15,648 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 2473 transitions. [2022-10-15 21:56:15,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2473 transitions. [2022-10-15 21:56:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 21:56:15,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:15,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:15,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:56:15,658 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash 417961275, now seen corresponding path program 1 times [2022-10-15 21:56:15,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:15,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555746199] [2022-10-15 21:56:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:15,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:15,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555746199] [2022-10-15 21:56:15,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555746199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:15,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:15,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:15,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764358828] [2022-10-15 21:56:15,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:15,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:15,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:15,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:15,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:15,841 INFO L87 Difference]: Start difference. First operand 1533 states and 2473 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:15,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:15,995 INFO L93 Difference]: Finished difference Result 4293 states and 6985 transitions. [2022-10-15 21:56:15,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:15,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-15 21:56:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:16,013 INFO L225 Difference]: With dead ends: 4293 [2022-10-15 21:56:16,014 INFO L226 Difference]: Without dead ends: 2817 [2022-10-15 21:56:16,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:16,019 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 156 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:16,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 554 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:16,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2022-10-15 21:56:16,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2797. [2022-10-15 21:56:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2777 states have (on average 1.6395390709398632) internal successors, (4553), 2796 states have internal predecessors, (4553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 4553 transitions. [2022-10-15 21:56:16,210 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 4553 transitions. Word has length 88 [2022-10-15 21:56:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:16,211 INFO L495 AbstractCegarLoop]: Abstraction has 2797 states and 4553 transitions. [2022-10-15 21:56:16,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 4553 transitions. [2022-10-15 21:56:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 21:56:16,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:16,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:16,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:56:16,214 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:16,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:16,214 INFO L85 PathProgramCache]: Analyzing trace with hash 831804197, now seen corresponding path program 1 times [2022-10-15 21:56:16,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:16,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467970836] [2022-10-15 21:56:16,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:16,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:16,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:16,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467970836] [2022-10-15 21:56:16,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467970836] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:16,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:16,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:16,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780321125] [2022-10-15 21:56:16,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:16,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:16,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:16,396 INFO L87 Difference]: Start difference. First operand 2797 states and 4553 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:17,011 INFO L93 Difference]: Finished difference Result 8275 states and 13545 transitions. [2022-10-15 21:56:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:56:17,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-15 21:56:17,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:17,062 INFO L225 Difference]: With dead ends: 8275 [2022-10-15 21:56:17,062 INFO L226 Difference]: Without dead ends: 8273 [2022-10-15 21:56:17,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:17,070 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 578 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:17,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 638 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:17,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8273 states. [2022-10-15 21:56:17,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8273 to 5517. [2022-10-15 21:56:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5517 states, 5497 states have (on average 1.6345279243223576) internal successors, (8985), 5516 states have internal predecessors, (8985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5517 states to 5517 states and 8985 transitions. [2022-10-15 21:56:17,467 INFO L78 Accepts]: Start accepts. Automaton has 5517 states and 8985 transitions. Word has length 89 [2022-10-15 21:56:17,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:17,468 INFO L495 AbstractCegarLoop]: Abstraction has 5517 states and 8985 transitions. [2022-10-15 21:56:17,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5517 states and 8985 transitions. [2022-10-15 21:56:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:56:17,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:17,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:17,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:56:17,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:17,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:17,472 INFO L85 PathProgramCache]: Analyzing trace with hash 16127010, now seen corresponding path program 1 times [2022-10-15 21:56:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:17,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055117360] [2022-10-15 21:56:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:17,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:17,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055117360] [2022-10-15 21:56:17,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055117360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:17,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:17,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070403975] [2022-10-15 21:56:17,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:17,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:56:17,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:17,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:56:17,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:56:17,634 INFO L87 Difference]: Start difference. First operand 5517 states and 8985 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:18,144 INFO L93 Difference]: Finished difference Result 8255 states and 13481 transitions. [2022-10-15 21:56:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:56:18,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-15 21:56:18,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:18,195 INFO L225 Difference]: With dead ends: 8255 [2022-10-15 21:56:18,196 INFO L226 Difference]: Without dead ends: 8253 [2022-10-15 21:56:18,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:18,203 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 573 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:18,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 382 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:56:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2022-10-15 21:56:18,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 8237. [2022-10-15 21:56:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8237 states, 8217 states have (on average 1.6250456370938298) internal successors, (13353), 8236 states have internal predecessors, (13353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8237 states to 8237 states and 13353 transitions. [2022-10-15 21:56:18,824 INFO L78 Accepts]: Start accepts. Automaton has 8237 states and 13353 transitions. Word has length 90 [2022-10-15 21:56:18,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:18,824 INFO L495 AbstractCegarLoop]: Abstraction has 8237 states and 13353 transitions. [2022-10-15 21:56:18,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:18,825 INFO L276 IsEmpty]: Start isEmpty. Operand 8237 states and 13353 transitions. [2022-10-15 21:56:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:56:18,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:18,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:18,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:56:18,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:18,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:18,828 INFO L85 PathProgramCache]: Analyzing trace with hash 499937991, now seen corresponding path program 1 times [2022-10-15 21:56:18,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:18,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440285597] [2022-10-15 21:56:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:18,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:19,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:19,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440285597] [2022-10-15 21:56:19,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440285597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:19,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:19,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:19,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062733364] [2022-10-15 21:56:19,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:19,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:19,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:19,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:19,012 INFO L87 Difference]: Start difference. First operand 8237 states and 13353 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:19,941 INFO L93 Difference]: Finished difference Result 13725 states and 22153 transitions. [2022-10-15 21:56:19,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:56:19,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 21:56:19,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:19,995 INFO L225 Difference]: With dead ends: 13725 [2022-10-15 21:56:19,996 INFO L226 Difference]: Without dead ends: 13723 [2022-10-15 21:56:20,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:20,004 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 980 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:20,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1051 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:20,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2022-10-15 21:56:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 10957. [2022-10-15 21:56:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10957 states, 10937 states have (on average 1.6144280881411721) internal successors, (17657), 10956 states have internal predecessors, (17657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10957 states to 10957 states and 17657 transitions. [2022-10-15 21:56:20,723 INFO L78 Accepts]: Start accepts. Automaton has 10957 states and 17657 transitions. Word has length 91 [2022-10-15 21:56:20,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:20,724 INFO L495 AbstractCegarLoop]: Abstraction has 10957 states and 17657 transitions. [2022-10-15 21:56:20,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 10957 states and 17657 transitions. [2022-10-15 21:56:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:56:20,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:20,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:20,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:56:20,728 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:20,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:20,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1681790780, now seen corresponding path program 1 times [2022-10-15 21:56:20,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:20,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032331883] [2022-10-15 21:56:20,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:20,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:20,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032331883] [2022-10-15 21:56:20,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032331883] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:20,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:20,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:56:20,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33821519] [2022-10-15 21:56:20,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:20,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:56:20,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:56:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:56:20,912 INFO L87 Difference]: Start difference. First operand 10957 states and 17657 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) [2022-10-15 21:56:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:21,778 INFO L93 Difference]: Finished difference Result 13709 states and 22089 transitions. [2022-10-15 21:56:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:56:21,779 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 92 [2022-10-15 21:56:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:21,829 INFO L225 Difference]: With dead ends: 13709 [2022-10-15 21:56:21,829 INFO L226 Difference]: Without dead ends: 13707 [2022-10-15 21:56:21,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:21,839 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1009 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:21,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 653 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:21,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13707 states. [2022-10-15 21:56:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13707 to 13677. [2022-10-15 21:56:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13677 states, 13657 states have (on average 1.6033535915647654) internal successors, (21897), 13676 states have internal predecessors, (21897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13677 states to 13677 states and 21897 transitions. [2022-10-15 21:56:22,673 INFO L78 Accepts]: Start accepts. Automaton has 13677 states and 21897 transitions. Word has length 92 [2022-10-15 21:56:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:22,674 INFO L495 AbstractCegarLoop]: Abstraction has 13677 states and 21897 transitions. [2022-10-15 21:56:22,675 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) [2022-10-15 21:56:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 13677 states and 21897 transitions. [2022-10-15 21:56:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 21:56:22,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:22,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:22,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:56:22,677 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:22,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:22,678 INFO L85 PathProgramCache]: Analyzing trace with hash -595905943, now seen corresponding path program 1 times [2022-10-15 21:56:22,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:22,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352529951] [2022-10-15 21:56:22,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:22,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:22,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:22,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352529951] [2022-10-15 21:56:22,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352529951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:22,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:22,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:22,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511971075] [2022-10-15 21:56:22,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:22,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:56:22,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:22,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:56:22,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:56:22,821 INFO L87 Difference]: Start difference. First operand 13677 states and 21897 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:24,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:24,172 INFO L93 Difference]: Finished difference Result 21891 states and 34937 transitions. [2022-10-15 21:56:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:56:24,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-15 21:56:24,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:24,251 INFO L225 Difference]: With dead ends: 21891 [2022-10-15 21:56:24,252 INFO L226 Difference]: Without dead ends: 21889 [2022-10-15 21:56:24,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:56:24,266 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 1364 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:24,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 1602 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:24,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2022-10-15 21:56:25,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 16397. [2022-10-15 21:56:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16397 states, 16377 states have (on average 1.5920498259754534) internal successors, (26073), 16396 states have internal predecessors, (26073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:25,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16397 states to 16397 states and 26073 transitions. [2022-10-15 21:56:25,300 INFO L78 Accepts]: Start accepts. Automaton has 16397 states and 26073 transitions. Word has length 93 [2022-10-15 21:56:25,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:25,300 INFO L495 AbstractCegarLoop]: Abstraction has 16397 states and 26073 transitions. [2022-10-15 21:56:25,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16397 states and 26073 transitions. [2022-10-15 21:56:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:56:25,302 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:25,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:25,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:56:25,303 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:25,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:25,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1409441088, now seen corresponding path program 1 times [2022-10-15 21:56:25,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:25,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674033366] [2022-10-15 21:56:25,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:25,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:25,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:25,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674033366] [2022-10-15 21:56:25,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674033366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:25,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:25,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:56:25,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708270466] [2022-10-15 21:56:25,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:25,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:56:25,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:25,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:56:25,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:25,404 INFO L87 Difference]: Start difference. First operand 16397 states and 26073 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:26,718 INFO L93 Difference]: Finished difference Result 46197 states and 73497 transitions. [2022-10-15 21:56:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:56:26,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-15 21:56:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:26,802 INFO L225 Difference]: With dead ends: 46197 [2022-10-15 21:56:26,803 INFO L226 Difference]: Without dead ends: 29857 [2022-10-15 21:56:26,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:56:26,836 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 177 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:26,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 607 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:56:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29857 states. [2022-10-15 21:56:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29857 to 29837. [2022-10-15 21:56:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29837 states, 29817 states have (on average 1.5859744441090653) internal successors, (47289), 29836 states have internal predecessors, (47289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29837 states to 29837 states and 47289 transitions. [2022-10-15 21:56:28,202 INFO L78 Accepts]: Start accepts. Automaton has 29837 states and 47289 transitions. Word has length 94 [2022-10-15 21:56:28,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:28,203 INFO L495 AbstractCegarLoop]: Abstraction has 29837 states and 47289 transitions. [2022-10-15 21:56:28,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29837 states and 47289 transitions. [2022-10-15 21:56:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:56:28,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:28,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:28,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:56:28,206 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:28,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:28,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1293214362, now seen corresponding path program 1 times [2022-10-15 21:56:28,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:28,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828255767] [2022-10-15 21:56:28,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:28,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:28,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:28,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828255767] [2022-10-15 21:56:28,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828255767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:28,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:28,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:56:28,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901963124] [2022-10-15 21:56:28,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:28,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:56:28,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:28,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:56:28,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:56:28,355 INFO L87 Difference]: Start difference. First operand 29837 states and 47289 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:29,931 INFO L93 Difference]: Finished difference Result 39801 states and 63033 transitions. [2022-10-15 21:56:29,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:56:29,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-15 21:56:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:30,025 INFO L225 Difference]: With dead ends: 39801 [2022-10-15 21:56:30,026 INFO L226 Difference]: Without dead ends: 39799 [2022-10-15 21:56:30,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:56:30,039 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1524 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:30,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 895 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:56:30,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39799 states. [2022-10-15 21:56:31,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39799 to 39757. [2022-10-15 21:56:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39757 states, 39737 states have (on average 1.5733699071394418) internal successors, (62521), 39756 states have internal predecessors, (62521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39757 states to 39757 states and 62521 transitions. [2022-10-15 21:56:32,107 INFO L78 Accepts]: Start accepts. Automaton has 39757 states and 62521 transitions. Word has length 94 [2022-10-15 21:56:32,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:32,110 INFO L495 AbstractCegarLoop]: Abstraction has 39757 states and 62521 transitions. [2022-10-15 21:56:32,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 39757 states and 62521 transitions. [2022-10-15 21:56:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 21:56:32,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:32,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:32,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:56:32,114 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:32,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1434938869, now seen corresponding path program 1 times [2022-10-15 21:56:32,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:32,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222328251] [2022-10-15 21:56:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:32,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:32,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:32,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222328251] [2022-10-15 21:56:32,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222328251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:32,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:32,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:56:32,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636926642] [2022-10-15 21:56:32,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:32,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:56:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:56:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:32,292 INFO L87 Difference]: Start difference. First operand 39757 states and 62521 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:34,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:34,729 INFO L93 Difference]: Finished difference Result 59653 states and 93753 transitions. [2022-10-15 21:56:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 21:56:34,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-15 21:56:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:34,845 INFO L225 Difference]: With dead ends: 59653 [2022-10-15 21:56:34,845 INFO L226 Difference]: Without dead ends: 59651 [2022-10-15 21:56:34,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:56:34,869 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1885 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:34,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 1827 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:34,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59651 states. [2022-10-15 21:56:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59651 to 44717. [2022-10-15 21:56:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44717 states, 44697 states have (on average 1.5620063986397297) internal successors, (69817), 44716 states have internal predecessors, (69817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44717 states to 44717 states and 69817 transitions. [2022-10-15 21:56:36,913 INFO L78 Accepts]: Start accepts. Automaton has 44717 states and 69817 transitions. Word has length 95 [2022-10-15 21:56:36,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:36,913 INFO L495 AbstractCegarLoop]: Abstraction has 44717 states and 69817 transitions. [2022-10-15 21:56:36,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 44717 states and 69817 transitions. [2022-10-15 21:56:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 21:56:36,920 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:36,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:36,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:56:36,923 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:36,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:36,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1533431288, now seen corresponding path program 1 times [2022-10-15 21:56:36,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:36,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560465209] [2022-10-15 21:56:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:36,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:37,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:37,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560465209] [2022-10-15 21:56:37,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560465209] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:37,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:37,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:56:37,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839567635] [2022-10-15 21:56:37,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:37,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:56:37,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:37,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:56:37,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:56:37,108 INFO L87 Difference]: Start difference. First operand 44717 states and 69817 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:40,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:40,068 INFO L93 Difference]: Finished difference Result 59651 states and 92857 transitions. [2022-10-15 21:56:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:56:40,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-15 21:56:40,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:40,154 INFO L225 Difference]: With dead ends: 59651 [2022-10-15 21:56:40,155 INFO L226 Difference]: Without dead ends: 59649 [2022-10-15 21:56:40,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:56:40,168 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 1897 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:40,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 1358 Invalid, 412 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [31 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:56:40,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59649 states. [2022-10-15 21:56:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59649 to 59597. [2022-10-15 21:56:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59597 states, 59577 states have (on average 1.5478624301324337) internal successors, (92217), 59596 states have internal predecessors, (92217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59597 states to 59597 states and 92217 transitions. [2022-10-15 21:56:42,882 INFO L78 Accepts]: Start accepts. Automaton has 59597 states and 92217 transitions. Word has length 96 [2022-10-15 21:56:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:42,883 INFO L495 AbstractCegarLoop]: Abstraction has 59597 states and 92217 transitions. [2022-10-15 21:56:42,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 59597 states and 92217 transitions. [2022-10-15 21:56:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-15 21:56:42,885 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:42,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:42,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 21:56:42,888 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:42,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:42,889 INFO L85 PathProgramCache]: Analyzing trace with hash -291728979, now seen corresponding path program 1 times [2022-10-15 21:56:42,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:42,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033624588] [2022-10-15 21:56:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:42,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:43,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:43,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033624588] [2022-10-15 21:56:43,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033624588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:43,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:43,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:56:43,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459597783] [2022-10-15 21:56:43,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:43,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:56:43,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:56:43,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:43,140 INFO L87 Difference]: Start difference. First operand 59597 states and 92217 transitions. Second operand has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:47,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:47,305 INFO L93 Difference]: Finished difference Result 143989 states and 223033 transitions. [2022-10-15 21:56:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 21:56:47,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-15 21:56:47,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:47,454 INFO L225 Difference]: With dead ends: 143989 [2022-10-15 21:56:47,454 INFO L226 Difference]: Without dead ends: 84449 [2022-10-15 21:56:47,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-15 21:56:47,528 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 2219 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:47,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 2447 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:56:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84449 states. [2022-10-15 21:56:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84449 to 64557. [2022-10-15 21:56:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64557 states, 64537 states have (on average 1.5360026031578784) internal successors, (99129), 64556 states have internal predecessors, (99129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64557 states to 64557 states and 99129 transitions. [2022-10-15 21:56:50,892 INFO L78 Accepts]: Start accepts. Automaton has 64557 states and 99129 transitions. Word has length 97 [2022-10-15 21:56:50,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:56:50,892 INFO L495 AbstractCegarLoop]: Abstraction has 64557 states and 99129 transitions. [2022-10-15 21:56:50,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.857142857142858) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:50,893 INFO L276 IsEmpty]: Start isEmpty. Operand 64557 states and 99129 transitions. [2022-10-15 21:56:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-15 21:56:50,901 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:56:50,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:56:50,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 21:56:50,902 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:56:50,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:56:50,903 INFO L85 PathProgramCache]: Analyzing trace with hash -453663062, now seen corresponding path program 1 times [2022-10-15 21:56:50,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:56:50,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203098694] [2022-10-15 21:56:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:56:50,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:56:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:56:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:56:51,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:56:51,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203098694] [2022-10-15 21:56:51,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203098694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:56:51,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:56:51,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:56:51,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026433203] [2022-10-15 21:56:51,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:56:51,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:56:51,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:56:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:56:51,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:56:51,126 INFO L87 Difference]: Start difference. First operand 64557 states and 99129 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:56:55,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:56:55,969 INFO L93 Difference]: Finished difference Result 119223 states and 184121 transitions. [2022-10-15 21:56:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-15 21:56:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-15 21:56:55,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:56:56,167 INFO L225 Difference]: With dead ends: 119223 [2022-10-15 21:56:56,167 INFO L226 Difference]: Without dead ends: 119221 [2022-10-15 21:56:56,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:56:56,195 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 3056 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:56:56,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 2265 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:56:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119221 states. [2022-10-15 21:57:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119221 to 119117. [2022-10-15 21:57:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119117 states, 119097 states have (on average 1.5320033250207814) internal successors, (182457), 119116 states have internal predecessors, (182457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119117 states to 119117 states and 182457 transitions. [2022-10-15 21:57:01,828 INFO L78 Accepts]: Start accepts. Automaton has 119117 states and 182457 transitions. Word has length 98 [2022-10-15 21:57:01,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:57:01,828 INFO L495 AbstractCegarLoop]: Abstraction has 119117 states and 182457 transitions. [2022-10-15 21:57:01,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:57:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 119117 states and 182457 transitions. [2022-10-15 21:57:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-15 21:57:01,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:57:01,836 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:57:01,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 21:57:01,837 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-15 21:57:01,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:57:01,837 INFO L85 PathProgramCache]: Analyzing trace with hash 470564591, now seen corresponding path program 1 times [2022-10-15 21:57:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:57:01,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515518133] [2022-10-15 21:57:01,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:57:01,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:57:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:57:01,935 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:57:01,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:57:01,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515518133] [2022-10-15 21:57:01,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515518133] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:57:01,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:57:01,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:57:01,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272476281] [2022-10-15 21:57:01,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:57:01,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:57:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:57:01,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:57:01,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:57:01,938 INFO L87 Difference]: Start difference. First operand 119117 states and 182457 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)