/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.8.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:58:04,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:58:04,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:58:04,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 21:58:04,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:58:04,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:58:04,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:58:04,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:58:04,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:58:04,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:58:04,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:58:04,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:58:04,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:58:04,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:58:04,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:58:04,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:58:04,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:58:04,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:58:04,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:58:04,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:58:04,826 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 21:58:04,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:58:04,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:58:04,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:58:04,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:58:04,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:58:04,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:58:04,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:58:04,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:58:04,858 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:58:04,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:58:04,858 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:58:04,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:58:04,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:58:04,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:58:04,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:58:04,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:58:04,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:58:04,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:58:04,860 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:58:04,860 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:58:04,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:58:04,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:58:04,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:58:04,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:58:04,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:58:04,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:58:04,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:58:04,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:58:04,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:58:04,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:58:04,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:58:04,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:58:04,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:58:04,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:58:05,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:58:05,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:58:05,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:58:05,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:58:05,280 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:58:05,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:58:05,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bc0b33c/b97355853cd14b95b60224751bb2f48e/FLAG1fa14edc9 [2022-10-15 21:58:06,082 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:58:06,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:58:06,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bc0b33c/b97355853cd14b95b60224751bb2f48e/FLAG1fa14edc9 [2022-10-15 21:58:06,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2bc0b33c/b97355853cd14b95b60224751bb2f48e [2022-10-15 21:58:06,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:58:06,366 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:58:06,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:58:06,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:58:06,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:58:06,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:06,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecd4ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06, skipping insertion in model container [2022-10-15 21:58:06,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:06,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:58:06,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:58:06,852 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.8.1.ufo.UNBOUNDED.pals.c[26518,26531] [2022-10-15 21:58:06,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:58:06,866 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:58:06,955 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.8.1.ufo.UNBOUNDED.pals.c[26518,26531] [2022-10-15 21:58:06,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:58:06,985 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:58:06,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06 WrapperNode [2022-10-15 21:58:06,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:58:06,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:58:06,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:58:06,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:58:06,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,070 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 567 [2022-10-15 21:58:07,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:58:07,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:58:07,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:58:07,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:58:07,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:58:07,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:58:07,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:58:07,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:58:07,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (1/1) ... [2022-10-15 21:58:07,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:58:07,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:58:07,197 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 21:58:07,204 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 21:58:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:58:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:58:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:58:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:58:07,521 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:58:07,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:58:08,414 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:58:08,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:58:08,432 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:58:08,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:58:08 BoogieIcfgContainer [2022-10-15 21:58:08,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:58:08,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:58:08,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:58:08,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:58:08,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:58:06" (1/3) ... [2022-10-15 21:58:08,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c12da67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:58:08, skipping insertion in model container [2022-10-15 21:58:08,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:58:06" (2/3) ... [2022-10-15 21:58:08,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c12da67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:58:08, skipping insertion in model container [2022-10-15 21:58:08,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:58:08" (3/3) ... [2022-10-15 21:58:08,449 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c [2022-10-15 21:58:08,473 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:58:08,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-15 21:58:08,562 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:58:08,570 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;@755648ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:58:08,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-15 21:58:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 235 states, 190 states have (on average 1.8157894736842106) internal successors, (345), 234 states have internal predecessors, (345), 0 states have call successors, (0), 0 states 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 21:58:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:58:08,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:08,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:08,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:08,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:08,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2001877049, now seen corresponding path program 1 times [2022-10-15 21:58:08,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:08,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497211618] [2022-10-15 21:58:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:08,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:08,945 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 21:58:08,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:08,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497211618] [2022-10-15 21:58:08,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497211618] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:08,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:08,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:58:08,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799342147] [2022-10-15 21:58:08,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:08,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:58:08,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:58:09,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:58:09,008 INFO L87 Difference]: Start difference. First operand has 235 states, 190 states have (on average 1.8157894736842106) internal successors, (345), 234 states have internal predecessors, (345), 0 states have call successors, (0), 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, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:09,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:09,059 INFO L93 Difference]: Finished difference Result 398 states and 559 transitions. [2022-10-15 21:58:09,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:58:09,065 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-15 21:58:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:09,081 INFO L225 Difference]: With dead ends: 398 [2022-10-15 21:58:09,081 INFO L226 Difference]: Without dead ends: 228 [2022-10-15 21:58:09,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 21:58:09,092 INFO L413 NwaCegarLoop]: 336 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, 336 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 21:58:09,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:09,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-10-15 21:58:09,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-10-15 21:58:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 186 states have (on average 1.8010752688172043) internal successors, (335), 227 states have internal predecessors, (335), 0 states have call successors, (0), 0 states 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 21:58:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 335 transitions. [2022-10-15 21:58:09,160 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 335 transitions. Word has length 11 [2022-10-15 21:58:09,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:09,160 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 335 transitions. [2022-10-15 21:58:09,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:09,161 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 335 transitions. [2022-10-15 21:58:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:58:09,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:09,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:09,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:58:09,165 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:09,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash 28533177, now seen corresponding path program 1 times [2022-10-15 21:58:09,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:09,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099755985] [2022-10-15 21:58:09,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:09,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:09,647 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 21:58:09,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:09,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099755985] [2022-10-15 21:58:09,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099755985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:09,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:09,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:58:09,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213390442] [2022-10-15 21:58:09,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:09,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:58:09,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:09,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:58:09,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:09,652 INFO L87 Difference]: Start difference. First operand 228 states and 335 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:09,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:09,787 INFO L93 Difference]: Finished difference Result 393 states and 546 transitions. [2022-10-15 21:58:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:58:09,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-10-15 21:58:09,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:09,791 INFO L225 Difference]: With dead ends: 393 [2022-10-15 21:58:09,791 INFO L226 Difference]: Without dead ends: 228 [2022-10-15 21:58:09,792 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 21:58:09,794 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 3 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:09,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1268 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:58:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-10-15 21:58:09,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-10-15 21:58:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 186 states have (on average 1.4731182795698925) internal successors, (274), 227 states have internal predecessors, (274), 0 states have call successors, (0), 0 states 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 21:58:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 274 transitions. [2022-10-15 21:58:09,812 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 274 transitions. Word has length 41 [2022-10-15 21:58:09,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:09,812 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 274 transitions. [2022-10-15 21:58:09,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 274 transitions. [2022-10-15 21:58:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:09,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:09,817 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, 1, 1, 1] [2022-10-15 21:58:09,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:58:09,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:09,818 INFO L85 PathProgramCache]: Analyzing trace with hash 14663593, now seen corresponding path program 1 times [2022-10-15 21:58:09,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:09,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644249739] [2022-10-15 21:58:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:09,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:10,104 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 21:58:10,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:10,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644249739] [2022-10-15 21:58:10,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644249739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:10,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:10,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:10,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496119774] [2022-10-15 21:58:10,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:10,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:10,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:10,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:10,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:10,112 INFO L87 Difference]: Start difference. First operand 228 states and 274 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:10,156 INFO L93 Difference]: Finished difference Result 544 states and 678 transitions. [2022-10-15 21:58:10,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:10,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:10,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:10,161 INFO L225 Difference]: With dead ends: 544 [2022-10-15 21:58:10,161 INFO L226 Difference]: Without dead ends: 383 [2022-10-15 21:58:10,162 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 21:58:10,164 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 193 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 659 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 21:58:10,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 659 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-10-15 21:58:10,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 341. [2022-10-15 21:58:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 299 states have (on average 1.5719063545150502) internal successors, (470), 340 states have internal predecessors, (470), 0 states have call successors, (0), 0 states 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 21:58:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 470 transitions. [2022-10-15 21:58:10,191 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 470 transitions. Word has length 101 [2022-10-15 21:58:10,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:10,192 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 470 transitions. [2022-10-15 21:58:10,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 470 transitions. [2022-10-15 21:58:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:10,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:10,197 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, 1, 1, 1] [2022-10-15 21:58:10,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:58:10,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:10,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:10,198 INFO L85 PathProgramCache]: Analyzing trace with hash -726768609, now seen corresponding path program 1 times [2022-10-15 21:58:10,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:10,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880967801] [2022-10-15 21:58:10,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:10,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:10,429 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 21:58:10,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:10,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880967801] [2022-10-15 21:58:10,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880967801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:10,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:10,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:10,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117513063] [2022-10-15 21:58:10,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:10,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:10,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:10,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:10,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:10,436 INFO L87 Difference]: Start difference. First operand 341 states and 470 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:10,473 INFO L93 Difference]: Finished difference Result 877 states and 1256 transitions. [2022-10-15 21:58:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:10,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:10,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:10,478 INFO L225 Difference]: With dead ends: 877 [2022-10-15 21:58:10,478 INFO L226 Difference]: Without dead ends: 603 [2022-10-15 21:58:10,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:10,492 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 189 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 658 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 21:58:10,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 658 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-10-15 21:58:10,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 561. [2022-10-15 21:58:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 519 states have (on average 1.6396917148362236) internal successors, (851), 560 states have internal predecessors, (851), 0 states have call successors, (0), 0 states 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 21:58:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 851 transitions. [2022-10-15 21:58:10,551 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 851 transitions. Word has length 101 [2022-10-15 21:58:10,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:10,552 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 851 transitions. [2022-10-15 21:58:10,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 851 transitions. [2022-10-15 21:58:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:10,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:10,561 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, 1, 1, 1] [2022-10-15 21:58:10,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:58:10,561 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:10,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1472351339, now seen corresponding path program 1 times [2022-10-15 21:58:10,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:10,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972137361] [2022-10-15 21:58:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:10,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:10,748 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 21:58:10,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:10,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972137361] [2022-10-15 21:58:10,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972137361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:10,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:10,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:10,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316293075] [2022-10-15 21:58:10,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:10,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:10,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:10,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:10,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:10,751 INFO L87 Difference]: Start difference. First operand 561 states and 851 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:10,800 INFO L93 Difference]: Finished difference Result 1525 states and 2379 transitions. [2022-10-15 21:58:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:10,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:10,808 INFO L225 Difference]: With dead ends: 1525 [2022-10-15 21:58:10,808 INFO L226 Difference]: Without dead ends: 1031 [2022-10-15 21:58:10,809 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 21:58:10,811 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 185 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 657 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 21:58:10,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 657 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-10-15 21:58:10,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 989. [2022-10-15 21:58:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 947 states have (on average 1.6800422386483633) internal successors, (1591), 988 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states 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 21:58:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1591 transitions. [2022-10-15 21:58:10,858 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1591 transitions. Word has length 101 [2022-10-15 21:58:10,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:10,858 INFO L495 AbstractCegarLoop]: Abstraction has 989 states and 1591 transitions. [2022-10-15 21:58:10,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1591 transitions. [2022-10-15 21:58:10,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:10,860 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:10,860 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, 1, 1, 1] [2022-10-15 21:58:10,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:58:10,861 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:10,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:10,861 INFO L85 PathProgramCache]: Analyzing trace with hash 882585099, now seen corresponding path program 1 times [2022-10-15 21:58:10,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:10,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973702913] [2022-10-15 21:58:10,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:10,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:11,004 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 21:58:11,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:11,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973702913] [2022-10-15 21:58:11,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973702913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:11,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:11,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648955914] [2022-10-15 21:58:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:11,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:11,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:11,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:11,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:11,008 INFO L87 Difference]: Start difference. First operand 989 states and 1591 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:11,091 INFO L93 Difference]: Finished difference Result 2785 states and 4559 transitions. [2022-10-15 21:58:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:11,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:11,105 INFO L225 Difference]: With dead ends: 2785 [2022-10-15 21:58:11,105 INFO L226 Difference]: Without dead ends: 1863 [2022-10-15 21:58:11,107 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 21:58:11,108 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 181 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:11,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 656 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2022-10-15 21:58:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1821. [2022-10-15 21:58:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1779 states have (on average 1.7015177065767284) internal successors, (3027), 1820 states have internal predecessors, (3027), 0 states have call successors, (0), 0 states 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 21:58:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 3027 transitions. [2022-10-15 21:58:11,199 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 3027 transitions. Word has length 101 [2022-10-15 21:58:11,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:11,200 INFO L495 AbstractCegarLoop]: Abstraction has 1821 states and 3027 transitions. [2022-10-15 21:58:11,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 3027 transitions. [2022-10-15 21:58:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:11,201 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:11,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:58:11,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:58:11,202 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:11,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -711699583, now seen corresponding path program 1 times [2022-10-15 21:58:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:11,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395969910] [2022-10-15 21:58:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:11,363 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 21:58:11,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:11,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395969910] [2022-10-15 21:58:11,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395969910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:11,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:11,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:11,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634709077] [2022-10-15 21:58:11,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:11,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:11,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:11,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:11,366 INFO L87 Difference]: Start difference. First operand 1821 states and 3027 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:11,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:11,511 INFO L93 Difference]: Finished difference Result 5233 states and 8787 transitions. [2022-10-15 21:58:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:11,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:11,532 INFO L225 Difference]: With dead ends: 5233 [2022-10-15 21:58:11,533 INFO L226 Difference]: Without dead ends: 3479 [2022-10-15 21:58:11,536 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 21:58:11,537 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 177 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 655 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 21:58:11,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 655 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:11,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2022-10-15 21:58:11,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3437. [2022-10-15 21:58:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3437 states, 3395 states have (on average 1.7116347569955817) internal successors, (5811), 3436 states have internal predecessors, (5811), 0 states have call successors, (0), 0 states 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 21:58:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 3437 states and 5811 transitions. [2022-10-15 21:58:11,741 INFO L78 Accepts]: Start accepts. Automaton has 3437 states and 5811 transitions. Word has length 101 [2022-10-15 21:58:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:11,741 INFO L495 AbstractCegarLoop]: Abstraction has 3437 states and 5811 transitions. [2022-10-15 21:58:11,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3437 states and 5811 transitions. [2022-10-15 21:58:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:11,743 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:11,743 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, 1, 1, 1] [2022-10-15 21:58:11,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:58:11,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:11,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:11,748 INFO L85 PathProgramCache]: Analyzing trace with hash -373906441, now seen corresponding path program 1 times [2022-10-15 21:58:11,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:11,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935922122] [2022-10-15 21:58:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:11,961 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 21:58:11,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:11,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935922122] [2022-10-15 21:58:11,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935922122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:11,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:11,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:11,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284861196] [2022-10-15 21:58:11,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:11,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:11,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:11,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:11,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:11,965 INFO L87 Difference]: Start difference. First operand 3437 states and 5811 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:12,265 INFO L93 Difference]: Finished difference Result 9985 states and 16979 transitions. [2022-10-15 21:58:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:12,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:12,303 INFO L225 Difference]: With dead ends: 9985 [2022-10-15 21:58:12,304 INFO L226 Difference]: Without dead ends: 6615 [2022-10-15 21:58:12,313 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 21:58:12,314 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 173 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 654 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 21:58:12,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 654 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:12,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6615 states. [2022-10-15 21:58:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6615 to 6573. [2022-10-15 21:58:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6573 states, 6531 states have (on average 1.7153575256469147) internal successors, (11203), 6572 states have internal predecessors, (11203), 0 states have call successors, (0), 0 states 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 21:58:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6573 states to 6573 states and 11203 transitions. [2022-10-15 21:58:12,777 INFO L78 Accepts]: Start accepts. Automaton has 6573 states and 11203 transitions. Word has length 101 [2022-10-15 21:58:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:12,778 INFO L495 AbstractCegarLoop]: Abstraction has 6573 states and 11203 transitions. [2022-10-15 21:58:12,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 6573 states and 11203 transitions. [2022-10-15 21:58:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:12,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:12,779 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, 1, 1, 1] [2022-10-15 21:58:12,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:58:12,780 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:12,781 INFO L85 PathProgramCache]: Analyzing trace with hash 844078957, now seen corresponding path program 1 times [2022-10-15 21:58:12,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:12,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893739900] [2022-10-15 21:58:12,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:12,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:12,897 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 21:58:12,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:12,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893739900] [2022-10-15 21:58:12,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893739900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:12,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:12,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338365111] [2022-10-15 21:58:12,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:12,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:12,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:12,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:12,901 INFO L87 Difference]: Start difference. First operand 6573 states and 11203 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:13,429 INFO L93 Difference]: Finished difference Result 19201 states and 32835 transitions. [2022-10-15 21:58:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:13,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:13,502 INFO L225 Difference]: With dead ends: 19201 [2022-10-15 21:58:13,502 INFO L226 Difference]: Without dead ends: 12695 [2022-10-15 21:58:13,514 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 21:58:13,515 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 169 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 653 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 21:58:13,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 653 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12695 states. [2022-10-15 21:58:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12695 to 12653. [2022-10-15 21:58:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12653 states, 12611 states have (on average 1.7155657759099199) internal successors, (21635), 12652 states have internal predecessors, (21635), 0 states have call successors, (0), 0 states 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 21:58:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12653 states to 12653 states and 21635 transitions. [2022-10-15 21:58:14,374 INFO L78 Accepts]: Start accepts. Automaton has 12653 states and 21635 transitions. Word has length 101 [2022-10-15 21:58:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:14,374 INFO L495 AbstractCegarLoop]: Abstraction has 12653 states and 21635 transitions. [2022-10-15 21:58:14,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12653 states and 21635 transitions. [2022-10-15 21:58:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 21:58:14,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:14,376 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, 1, 1, 1] [2022-10-15 21:58:14,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:58:14,377 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:14,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:14,378 INFO L85 PathProgramCache]: Analyzing trace with hash 862826145, now seen corresponding path program 1 times [2022-10-15 21:58:14,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:14,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793954958] [2022-10-15 21:58:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:14,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:58:14,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:14,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793954958] [2022-10-15 21:58:14,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793954958] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:14,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:14,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:14,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864892751] [2022-10-15 21:58:14,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:14,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:58:14,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:14,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:58:14,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:58:14,557 INFO L87 Difference]: Start difference. First operand 12653 states and 21635 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:16,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:16,518 INFO L93 Difference]: Finished difference Result 37822 states and 64771 transitions. [2022-10-15 21:58:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:58:16,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-15 21:58:16,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:16,654 INFO L225 Difference]: With dead ends: 37822 [2022-10-15 21:58:16,654 INFO L226 Difference]: Without dead ends: 37819 [2022-10-15 21:58:16,662 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 21:58:16,664 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 637 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:16,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 491 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:16,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37819 states. [2022-10-15 21:58:18,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37819 to 25197. [2022-10-15 21:58:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25197 states, 25155 states have (on average 1.702206320810972) internal successors, (42819), 25196 states have internal predecessors, (42819), 0 states have call successors, (0), 0 states 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 21:58:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25197 states to 25197 states and 42819 transitions. [2022-10-15 21:58:18,288 INFO L78 Accepts]: Start accepts. Automaton has 25197 states and 42819 transitions. Word has length 101 [2022-10-15 21:58:18,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:18,289 INFO L495 AbstractCegarLoop]: Abstraction has 25197 states and 42819 transitions. [2022-10-15 21:58:18,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 25197 states and 42819 transitions. [2022-10-15 21:58:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:58:18,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:18,291 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, 1, 1, 1, 1] [2022-10-15 21:58:18,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:58:18,292 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:18,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:18,293 INFO L85 PathProgramCache]: Analyzing trace with hash 977807414, now seen corresponding path program 1 times [2022-10-15 21:58:18,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:18,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365169817] [2022-10-15 21:58:18,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:18,474 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 21:58:18,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:18,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365169817] [2022-10-15 21:58:18,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365169817] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:18,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:18,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:18,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746112272] [2022-10-15 21:58:18,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:18,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:58:18,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:18,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:58:18,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:58:18,479 INFO L87 Difference]: Start difference. First operand 25197 states and 42819 transitions. Second operand has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:20,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:20,139 INFO L93 Difference]: Finished difference Result 37780 states and 64387 transitions. [2022-10-15 21:58:20,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:58:20,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-15 21:58:20,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:20,236 INFO L225 Difference]: With dead ends: 37780 [2022-10-15 21:58:20,237 INFO L226 Difference]: Without dead ends: 37777 [2022-10-15 21:58:20,246 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 21:58:20,247 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 630 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:20,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 306 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:58:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37777 states. [2022-10-15 21:58:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37777 to 37741. [2022-10-15 21:58:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37741 states, 37699 states have (on average 1.6875513939361786) internal successors, (63619), 37740 states have internal predecessors, (63619), 0 states have call successors, (0), 0 states 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 21:58:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37741 states to 37741 states and 63619 transitions. [2022-10-15 21:58:22,087 INFO L78 Accepts]: Start accepts. Automaton has 37741 states and 63619 transitions. Word has length 102 [2022-10-15 21:58:22,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:22,087 INFO L495 AbstractCegarLoop]: Abstraction has 37741 states and 63619 transitions. [2022-10-15 21:58:22,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.0) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 37741 states and 63619 transitions. [2022-10-15 21:58:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-15 21:58:22,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:22,089 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, 1, 1, 1, 1, 1] [2022-10-15 21:58:22,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:58:22,090 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:22,091 INFO L85 PathProgramCache]: Analyzing trace with hash 247259459, now seen corresponding path program 1 times [2022-10-15 21:58:22,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:22,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547798976] [2022-10-15 21:58:22,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:22,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:22,463 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 21:58:22,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:22,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547798976] [2022-10-15 21:58:22,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547798976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:22,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:22,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:58:22,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840002370] [2022-10-15 21:58:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:22,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:58:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:58:22,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:22,466 INFO L87 Difference]: Start difference. First operand 37741 states and 63619 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states 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 21:58:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:24,644 INFO L93 Difference]: Finished difference Result 62937 states and 105603 transitions. [2022-10-15 21:58:24,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:58:24,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-10-15 21:58:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:24,764 INFO L225 Difference]: With dead ends: 62937 [2022-10-15 21:58:24,764 INFO L226 Difference]: Without dead ends: 62934 [2022-10-15 21:58:24,776 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 21:58:24,777 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1256 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:24,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 697 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62934 states. [2022-10-15 21:58:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62934 to 50285. [2022-10-15 21:58:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50285 states, 50243 states have (on average 1.6725713034651593) internal successors, (84035), 50284 states have internal predecessors, (84035), 0 states have call successors, (0), 0 states 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 21:58:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50285 states to 50285 states and 84035 transitions. [2022-10-15 21:58:27,080 INFO L78 Accepts]: Start accepts. Automaton has 50285 states and 84035 transitions. Word has length 103 [2022-10-15 21:58:27,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:27,080 INFO L495 AbstractCegarLoop]: Abstraction has 50285 states and 84035 transitions. [2022-10-15 21:58:27,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states 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 21:58:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 50285 states and 84035 transitions. [2022-10-15 21:58:27,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 21:58:27,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:27,082 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, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:27,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:58:27,083 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:27,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash -924890664, now seen corresponding path program 1 times [2022-10-15 21:58:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:27,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338012479] [2022-10-15 21:58:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:27,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:27,306 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 21:58:27,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:27,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338012479] [2022-10-15 21:58:27,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338012479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:27,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:27,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:58:27,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696025825] [2022-10-15 21:58:27,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:27,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:58:27,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:27,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:58:27,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:58:27,309 INFO L87 Difference]: Start difference. First operand 50285 states and 84035 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 21:58:29,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:29,621 INFO L93 Difference]: Finished difference Result 62901 states and 105219 transitions. [2022-10-15 21:58:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:58:29,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-15 21:58:29,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:29,745 INFO L225 Difference]: With dead ends: 62901 [2022-10-15 21:58:29,745 INFO L226 Difference]: Without dead ends: 62898 [2022-10-15 21:58:29,764 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 21:58:29,765 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 1117 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:29,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 494 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:58:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62898 states. [2022-10-15 21:58:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62898 to 62829. [2022-10-15 21:58:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62829 states, 62787 states have (on average 1.6574609393664295) internal successors, (104067), 62828 states have internal predecessors, (104067), 0 states have call successors, (0), 0 states 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 21:58:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62829 states to 62829 states and 104067 transitions. [2022-10-15 21:58:32,455 INFO L78 Accepts]: Start accepts. Automaton has 62829 states and 104067 transitions. Word has length 104 [2022-10-15 21:58:32,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:32,456 INFO L495 AbstractCegarLoop]: Abstraction has 62829 states and 104067 transitions. [2022-10-15 21:58:32,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 21:58:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 62829 states and 104067 transitions. [2022-10-15 21:58:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:58:32,457 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:32,458 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:32,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:58:32,458 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:32,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1393161189, now seen corresponding path program 1 times [2022-10-15 21:58:32,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:32,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282328594] [2022-10-15 21:58:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:32,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:32,875 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 21:58:32,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:32,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282328594] [2022-10-15 21:58:32,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282328594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:32,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:32,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:58:32,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853435] [2022-10-15 21:58:32,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:32,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:58:32,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:32,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:58:32,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:58:32,879 INFO L87 Difference]: Start difference. First operand 62829 states and 104067 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:36,951 INFO L93 Difference]: Finished difference Result 100590 states and 166083 transitions. [2022-10-15 21:58:36,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:58:36,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-15 21:58:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:37,137 INFO L225 Difference]: With dead ends: 100590 [2022-10-15 21:58:37,138 INFO L226 Difference]: Without dead ends: 100587 [2022-10-15 21:58:37,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:58:37,169 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 2009 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:37,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 917 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100587 states. [2022-10-15 21:58:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100587 to 75373. [2022-10-15 21:58:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75373 states, 75331 states have (on average 1.6422853805206357) internal successors, (123715), 75372 states have internal predecessors, (123715), 0 states have call successors, (0), 0 states 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 21:58:40,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75373 states to 75373 states and 123715 transitions. [2022-10-15 21:58:40,704 INFO L78 Accepts]: Start accepts. Automaton has 75373 states and 123715 transitions. Word has length 105 [2022-10-15 21:58:40,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:40,705 INFO L495 AbstractCegarLoop]: Abstraction has 75373 states and 123715 transitions. [2022-10-15 21:58:40,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 75373 states and 123715 transitions. [2022-10-15 21:58:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 21:58:40,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:40,712 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:40,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:58:40,713 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:40,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash 238324602, now seen corresponding path program 1 times [2022-10-15 21:58:40,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:40,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165963483] [2022-10-15 21:58:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:40,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:41,195 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 21:58:41,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:41,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165963483] [2022-10-15 21:58:41,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165963483] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:41,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:41,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:58:41,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813524642] [2022-10-15 21:58:41,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:41,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:58:41,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:41,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:58:41,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:58:41,198 INFO L87 Difference]: Start difference. First operand 75373 states and 123715 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:45,209 INFO L93 Difference]: Finished difference Result 100563 states and 164931 transitions. [2022-10-15 21:58:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:58:45,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-15 21:58:45,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:45,371 INFO L225 Difference]: With dead ends: 100563 [2022-10-15 21:58:45,372 INFO L226 Difference]: Without dead ends: 100560 [2022-10-15 21:58:45,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:58:45,391 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 1758 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:58:45,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 696 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:58:45,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100560 states. [2022-10-15 21:58:49,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100560 to 100461. [2022-10-15 21:58:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100461 states, 100419 states have (on average 1.6271323155976458) internal successors, (163395), 100460 states have internal predecessors, (163395), 0 states have call successors, (0), 0 states 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 21:58:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100461 states to 100461 states and 163395 transitions. [2022-10-15 21:58:50,188 INFO L78 Accepts]: Start accepts. Automaton has 100461 states and 163395 transitions. Word has length 106 [2022-10-15 21:58:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:58:50,189 INFO L495 AbstractCegarLoop]: Abstraction has 100461 states and 163395 transitions. [2022-10-15 21:58:50,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 100461 states and 163395 transitions. [2022-10-15 21:58:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-15 21:58:50,190 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:58:50,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:58:50,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:58:50,191 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-15 21:58:50,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:58:50,191 INFO L85 PathProgramCache]: Analyzing trace with hash -586395056, now seen corresponding path program 1 times [2022-10-15 21:58:50,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:58:50,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768255519] [2022-10-15 21:58:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:58:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:58:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:58:50,304 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 21:58:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:58:50,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768255519] [2022-10-15 21:58:50,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768255519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:58:50,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:58:50,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:58:50,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210062499] [2022-10-15 21:58:50,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:58:50,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:58:50,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:58:50,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:58:50,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:58:50,310 INFO L87 Difference]: Start difference. First operand 100461 states and 163395 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:58:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:58:57,614 INFO L93 Difference]: Finished difference Result 292033 states and 475715 transitions. [2022-10-15 21:58:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:58:57,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-10-15 21:58:57,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:58:57,973 INFO L225 Difference]: With dead ends: 292033 [2022-10-15 21:58:57,973 INFO L226 Difference]: Without dead ends: 191639 [2022-10-15 21:58:58,094 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 21:58:58,095 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 193 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 665 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 21:58:58,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 665 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:58:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191639 states.