/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:10:40,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:10:40,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:10:40,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:10:40,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:10:40,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:10:40,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:10:40,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:10:40,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:10:40,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:10:40,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:10:40,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:10:40,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:10:40,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:10:40,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:10:40,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:10:40,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:10:40,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:10:40,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:10:40,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:10:40,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:10:40,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:10:40,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:10:40,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:10:40,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:10:40,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:10:40,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:10:40,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:10:40,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:10:40,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:10:40,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:10:40,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:10:40,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:10:40,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:10:40,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:10:40,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:10:40,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:10:40,943 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:10:40,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:10:40,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:10:40,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:10:40,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:10:40,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:10:40,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:10:40,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:10:40,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:10:40,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:10:40,946 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:10:40,946 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:10:40,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:10:40,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:10:40,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:10:40,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:10:40,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:10:40,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:10:40,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:10:40,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:10:40,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:10:40,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:10:40,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:10:40,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:10:40,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:10:40,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:10:41,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:10:41,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:10:41,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:10:41,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:10:41,407 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:10:41,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:10:41,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e539bbd79/2d60b51e60e64c7496c6b614ddad312b/FLAGa8d37792a [2022-10-16 16:10:42,168 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:10:42,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:10:42,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e539bbd79/2d60b51e60e64c7496c6b614ddad312b/FLAGa8d37792a [2022-10-16 16:10:42,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e539bbd79/2d60b51e60e64c7496c6b614ddad312b [2022-10-16 16:10:42,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:10:42,459 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:10:42,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:10:42,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:10:42,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:10:42,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:10:42" (1/1) ... [2022-10-16 16:10:42,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4669642f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:42, skipping insertion in model container [2022-10-16 16:10:42,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:10:42" (1/1) ... [2022-10-16 16:10:42,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:10:42,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:10:43,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[13215,13228] [2022-10-16 16:10:43,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:10:43,234 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:10:43,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c[13215,13228] [2022-10-16 16:10:43,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:10:43,575 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:10:43,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43 WrapperNode [2022-10-16 16:10:43,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:10:43,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:10:43,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:10:43,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:10:43,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,714 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1421 [2022-10-16 16:10:43,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:10:43,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:10:43,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:10:43,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:10:43,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:10:43,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:10:43,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:10:43,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:10:43,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (1/1) ... [2022-10-16 16:10:43,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:10:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:10:43,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:10:43,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:10:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:10:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:10:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:10:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:10:44,131 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:10:44,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:10:45,517 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:10:45,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:10:45,532 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:10:45,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:45 BoogieIcfgContainer [2022-10-16 16:10:45,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:10:45,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:10:45,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:10:45,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:10:45,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:10:42" (1/3) ... [2022-10-16 16:10:45,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169908a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:45, skipping insertion in model container [2022-10-16 16:10:45,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:43" (2/3) ... [2022-10-16 16:10:45,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169908a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:45, skipping insertion in model container [2022-10-16 16:10:45,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:45" (3/3) ... [2022-10-16 16:10:45,546 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.p+lhb-reducer.c [2022-10-16 16:10:45,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:10:45,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 88 error locations. [2022-10-16 16:10:45,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:10:45,654 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;@5539112b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:10:45,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2022-10-16 16:10:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 580 states, 491 states have (on average 1.7107942973523422) internal successors, (840), 579 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:10:45,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:45,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:10:45,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:45,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:45,678 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:10:45,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:45,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584028496] [2022-10-16 16:10:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:45,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:45,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:45,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584028496] [2022-10-16 16:10:45,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584028496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:45,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:45,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:10:45,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261642707] [2022-10-16 16:10:45,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:45,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:10:45,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:45,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:10:45,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:10:45,969 INFO L87 Difference]: Start difference. First operand has 580 states, 491 states have (on average 1.7107942973523422) internal successors, (840), 579 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:46,035 INFO L93 Difference]: Finished difference Result 583 states and 842 transitions. [2022-10-16 16:10:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:10:46,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 16:10:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:46,062 INFO L225 Difference]: With dead ends: 583 [2022-10-16 16:10:46,062 INFO L226 Difference]: Without dead ends: 569 [2022-10-16 16:10:46,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:10:46,071 INFO L413 NwaCegarLoop]: 831 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, 831 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:46,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:46,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-10-16 16:10:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2022-10-16 16:10:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 489 states have (on average 1.6789366053169734) internal successors, (821), 568 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 821 transitions. [2022-10-16 16:10:46,169 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 821 transitions. Word has length 4 [2022-10-16 16:10:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:46,169 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 821 transitions. [2022-10-16 16:10:46,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 821 transitions. [2022-10-16 16:10:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 16:10:46,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:46,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:46,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:10:46,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:46,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:46,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1102583236, now seen corresponding path program 1 times [2022-10-16 16:10:46,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:46,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154255341] [2022-10-16 16:10:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:46,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:46,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:46,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154255341] [2022-10-16 16:10:46,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154255341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:46,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:46,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550050184] [2022-10-16 16:10:46,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:46,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:46,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:46,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:46,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:46,381 INFO L87 Difference]: Start difference. First operand 569 states and 821 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:46,599 INFO L93 Difference]: Finished difference Result 1094 states and 1568 transitions. [2022-10-16 16:10:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:10:46,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-10-16 16:10:46,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:46,608 INFO L225 Difference]: With dead ends: 1094 [2022-10-16 16:10:46,608 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 16:10:46,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:46,621 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 184 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:46,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 2208 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:10:46,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 16:10:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 567. [2022-10-16 16:10:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 489 states have (on average 1.6094069529652353) internal successors, (787), 566 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 787 transitions. [2022-10-16 16:10:46,716 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 787 transitions. Word has length 8 [2022-10-16 16:10:46,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:46,718 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 787 transitions. [2022-10-16 16:10:46,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 787 transitions. [2022-10-16 16:10:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:10:46,720 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:46,721 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] [2022-10-16 16:10:46,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:10:46,722 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:46,724 INFO L85 PathProgramCache]: Analyzing trace with hash 183917469, now seen corresponding path program 1 times [2022-10-16 16:10:46,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:46,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007271356] [2022-10-16 16:10:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:46,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:46,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007271356] [2022-10-16 16:10:46,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007271356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:46,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:46,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:46,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838726259] [2022-10-16 16:10:46,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:46,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:10:46,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:46,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:10:46,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:46,900 INFO L87 Difference]: Start difference. First operand 567 states and 787 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:47,016 INFO L93 Difference]: Finished difference Result 1420 states and 1995 transitions. [2022-10-16 16:10:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:10:47,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:10:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:47,023 INFO L225 Difference]: With dead ends: 1420 [2022-10-16 16:10:47,023 INFO L226 Difference]: Without dead ends: 905 [2022-10-16 16:10:47,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:47,027 INFO L413 NwaCegarLoop]: 1258 mSDtfsCounter, 519 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1953 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:47,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1953 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2022-10-16 16:10:47,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 851. [2022-10-16 16:10:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 775 states have (on average 1.6270967741935485) internal successors, (1261), 850 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1261 transitions. [2022-10-16 16:10:47,083 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1261 transitions. Word has length 47 [2022-10-16 16:10:47,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:47,084 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1261 transitions. [2022-10-16 16:10:47,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1261 transitions. [2022-10-16 16:10:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:10:47,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:47,087 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] [2022-10-16 16:10:47,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:10:47,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:47,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:47,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1616144961, now seen corresponding path program 1 times [2022-10-16 16:10:47,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:47,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302845213] [2022-10-16 16:10:47,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:47,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:47,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:47,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302845213] [2022-10-16 16:10:47,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302845213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:47,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:47,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045415728] [2022-10-16 16:10:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:47,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:10:47,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:10:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:47,248 INFO L87 Difference]: Start difference. First operand 851 states and 1261 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:47,376 INFO L93 Difference]: Finished difference Result 2202 states and 3298 transitions. [2022-10-16 16:10:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:10:47,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 16:10:47,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:47,386 INFO L225 Difference]: With dead ends: 2202 [2022-10-16 16:10:47,386 INFO L226 Difference]: Without dead ends: 1416 [2022-10-16 16:10:47,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:47,390 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 523 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:47,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 1406 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:47,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-10-16 16:10:47,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1358. [2022-10-16 16:10:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1358 states, 1282 states have (on average 1.643525741029641) internal successors, (2107), 1357 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 2107 transitions. [2022-10-16 16:10:47,495 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 2107 transitions. Word has length 66 [2022-10-16 16:10:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:47,496 INFO L495 AbstractCegarLoop]: Abstraction has 1358 states and 2107 transitions. [2022-10-16 16:10:47,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 2107 transitions. [2022-10-16 16:10:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:10:47,498 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:47,498 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] [2022-10-16 16:10:47,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:10:47,499 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:47,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:47,499 INFO L85 PathProgramCache]: Analyzing trace with hash 605959701, now seen corresponding path program 1 times [2022-10-16 16:10:47,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:47,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564083895] [2022-10-16 16:10:47,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:47,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:47,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:47,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564083895] [2022-10-16 16:10:47,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564083895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:47,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:47,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:47,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612172332] [2022-10-16 16:10:47,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:47,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:10:47,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:47,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:10:47,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:47,598 INFO L87 Difference]: Start difference. First operand 1358 states and 2107 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:47,777 INFO L93 Difference]: Finished difference Result 3579 states and 5607 transitions. [2022-10-16 16:10:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:10:47,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 16:10:47,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:47,791 INFO L225 Difference]: With dead ends: 3579 [2022-10-16 16:10:47,792 INFO L226 Difference]: Without dead ends: 2299 [2022-10-16 16:10:47,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:47,796 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 507 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:47,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1531 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2022-10-16 16:10:47,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2241. [2022-10-16 16:10:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 2165 states have (on average 1.6558891454965359) internal successors, (3585), 2240 states have internal predecessors, (3585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3585 transitions. [2022-10-16 16:10:47,973 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3585 transitions. Word has length 67 [2022-10-16 16:10:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:47,974 INFO L495 AbstractCegarLoop]: Abstraction has 2241 states and 3585 transitions. [2022-10-16 16:10:47,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3585 transitions. [2022-10-16 16:10:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 16:10:47,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:47,976 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] [2022-10-16 16:10:47,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:10:47,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:47,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:47,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1194485300, now seen corresponding path program 1 times [2022-10-16 16:10:47,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:47,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673807228] [2022-10-16 16:10:47,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:47,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:48,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:48,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673807228] [2022-10-16 16:10:48,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673807228] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:48,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:48,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:48,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641775865] [2022-10-16 16:10:48,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:48,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:10:48,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:48,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:10:48,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:48,067 INFO L87 Difference]: Start difference. First operand 2241 states and 3585 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:48,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:48,339 INFO L93 Difference]: Finished difference Result 5948 states and 9592 transitions. [2022-10-16 16:10:48,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:10:48,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 16:10:48,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:48,361 INFO L225 Difference]: With dead ends: 5948 [2022-10-16 16:10:48,361 INFO L226 Difference]: Without dead ends: 3798 [2022-10-16 16:10:48,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:48,367 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 493 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:48,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1336 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:48,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3798 states. [2022-10-16 16:10:48,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3798 to 3740. [2022-10-16 16:10:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 3664 states have (on average 1.6656659388646289) internal successors, (6103), 3739 states have internal predecessors, (6103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 6103 transitions. [2022-10-16 16:10:48,664 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 6103 transitions. Word has length 68 [2022-10-16 16:10:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:48,665 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 6103 transitions. [2022-10-16 16:10:48,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 6103 transitions. [2022-10-16 16:10:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:10:48,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:48,671 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] [2022-10-16 16:10:48,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:10:48,671 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:48,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash 485381846, now seen corresponding path program 1 times [2022-10-16 16:10:48,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:48,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881639515] [2022-10-16 16:10:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:48,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:48,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881639515] [2022-10-16 16:10:48,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881639515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:48,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:48,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:48,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284151575] [2022-10-16 16:10:48,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:48,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:10:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:48,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:10:48,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:48,802 INFO L87 Difference]: Start difference. First operand 3740 states and 6103 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:49,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:49,271 INFO L93 Difference]: Finished difference Result 9893 states and 16257 transitions. [2022-10-16 16:10:49,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:10:49,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:10:49,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:49,313 INFO L225 Difference]: With dead ends: 9893 [2022-10-16 16:10:49,314 INFO L226 Difference]: Without dead ends: 6257 [2022-10-16 16:10:49,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:49,325 INFO L413 NwaCegarLoop]: 730 mSDtfsCounter, 478 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:49,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1301 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:49,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2022-10-16 16:10:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6199. [2022-10-16 16:10:49,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6199 states, 6123 states have (on average 1.674505961130165) internal successors, (10253), 6198 states have internal predecessors, (10253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6199 states to 6199 states and 10253 transitions. [2022-10-16 16:10:49,851 INFO L78 Accepts]: Start accepts. Automaton has 6199 states and 10253 transitions. Word has length 69 [2022-10-16 16:10:49,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:49,851 INFO L495 AbstractCegarLoop]: Abstraction has 6199 states and 10253 transitions. [2022-10-16 16:10:49,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6199 states and 10253 transitions. [2022-10-16 16:10:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:10:49,853 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:49,853 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] [2022-10-16 16:10:49,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:10:49,853 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:49,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:49,854 INFO L85 PathProgramCache]: Analyzing trace with hash -215887933, now seen corresponding path program 1 times [2022-10-16 16:10:49,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:49,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086001499] [2022-10-16 16:10:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:49,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:49,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:49,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086001499] [2022-10-16 16:10:49,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086001499] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:49,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:49,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:49,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889893401] [2022-10-16 16:10:49,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:49,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:49,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:49,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:49,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:49,963 INFO L87 Difference]: Start difference. First operand 6199 states and 10253 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:51,308 INFO L93 Difference]: Finished difference Result 16584 states and 27393 transitions. [2022-10-16 16:10:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:10:51,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 16:10:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:51,388 INFO L225 Difference]: With dead ends: 16584 [2022-10-16 16:10:51,389 INFO L226 Difference]: Without dead ends: 16576 [2022-10-16 16:10:51,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:51,396 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1850 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:51,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 1449 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:10:51,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16576 states. [2022-10-16 16:10:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16576 to 11779. [2022-10-16 16:10:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11779 states, 11705 states have (on average 1.657667663391713) internal successors, (19403), 11778 states have internal predecessors, (19403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11779 states to 11779 states and 19403 transitions. [2022-10-16 16:10:52,505 INFO L78 Accepts]: Start accepts. Automaton has 11779 states and 19403 transitions. Word has length 70 [2022-10-16 16:10:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:52,505 INFO L495 AbstractCegarLoop]: Abstraction has 11779 states and 19403 transitions. [2022-10-16 16:10:52,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 11779 states and 19403 transitions. [2022-10-16 16:10:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:10:52,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:52,507 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] [2022-10-16 16:10:52,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:10:52,516 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:52,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:52,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1897408909, now seen corresponding path program 1 times [2022-10-16 16:10:52,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:52,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361255956] [2022-10-16 16:10:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:52,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:52,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361255956] [2022-10-16 16:10:52,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361255956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:52,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:52,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:52,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620169432] [2022-10-16 16:10:52,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:52,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:52,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:52,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:52,697 INFO L87 Difference]: Start difference. First operand 11779 states and 19403 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:54,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:54,294 INFO L93 Difference]: Finished difference Result 16524 states and 27199 transitions. [2022-10-16 16:10:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:10:54,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 16:10:54,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:54,348 INFO L225 Difference]: With dead ends: 16524 [2022-10-16 16:10:54,348 INFO L226 Difference]: Without dead ends: 16516 [2022-10-16 16:10:54,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:54,356 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1871 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:54,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 1024 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:10:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16516 states. [2022-10-16 16:10:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16516 to 16472. [2022-10-16 16:10:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16472 states, 16400 states have (on average 1.636890243902439) internal successors, (26845), 16471 states have internal predecessors, (26845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16472 states to 16472 states and 26845 transitions. [2022-10-16 16:10:55,734 INFO L78 Accepts]: Start accepts. Automaton has 16472 states and 26845 transitions. Word has length 71 [2022-10-16 16:10:55,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:55,735 INFO L495 AbstractCegarLoop]: Abstraction has 16472 states and 26845 transitions. [2022-10-16 16:10:55,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 16472 states and 26845 transitions. [2022-10-16 16:10:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:10:55,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:55,736 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] [2022-10-16 16:10:55,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:10:55,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:55,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:55,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1309865723, now seen corresponding path program 1 times [2022-10-16 16:10:55,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:55,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840594322] [2022-10-16 16:10:55,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:55,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:55,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:55,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840594322] [2022-10-16 16:10:55,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840594322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:55,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:55,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:55,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935498170] [2022-10-16 16:10:55,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:55,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:55,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:55,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:55,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:55,868 INFO L87 Difference]: Start difference. First operand 16472 states and 26845 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:58,124 INFO L93 Difference]: Finished difference Result 25643 states and 41477 transitions. [2022-10-16 16:10:58,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:10:58,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:10:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:58,195 INFO L225 Difference]: With dead ends: 25643 [2022-10-16 16:10:58,196 INFO L226 Difference]: Without dead ends: 25635 [2022-10-16 16:10:58,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:10:58,206 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 2950 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:58,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 2238 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:10:58,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25635 states. [2022-10-16 16:10:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25635 to 21354. [2022-10-16 16:10:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21354 states, 21284 states have (on average 1.6212647998496523) internal successors, (34507), 21353 states have internal predecessors, (34507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:59,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21354 states to 21354 states and 34507 transitions. [2022-10-16 16:10:59,774 INFO L78 Accepts]: Start accepts. Automaton has 21354 states and 34507 transitions. Word has length 72 [2022-10-16 16:10:59,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:59,774 INFO L495 AbstractCegarLoop]: Abstraction has 21354 states and 34507 transitions. [2022-10-16 16:10:59,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 21354 states and 34507 transitions. [2022-10-16 16:10:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:10:59,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:59,776 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] [2022-10-16 16:10:59,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:10:59,776 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:10:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1951131505, now seen corresponding path program 1 times [2022-10-16 16:10:59,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:59,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119279656] [2022-10-16 16:10:59,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:59,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:59,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:59,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119279656] [2022-10-16 16:10:59,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119279656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:59,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:59,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:59,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642908978] [2022-10-16 16:10:59,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:59,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:59,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:59,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:59,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:59,887 INFO L87 Difference]: Start difference. First operand 21354 states and 34507 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:01,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:01,965 INFO L93 Difference]: Finished difference Result 25446 states and 41055 transitions. [2022-10-16 16:11:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:01,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:11:01,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:02,045 INFO L225 Difference]: With dead ends: 25446 [2022-10-16 16:11:02,046 INFO L226 Difference]: Without dead ends: 25438 [2022-10-16 16:11:02,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:11:02,058 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 3479 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:02,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 1460 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:11:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25438 states. [2022-10-16 16:11:03,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25438 to 25354. [2022-10-16 16:11:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25354 states, 25286 states have (on average 1.6045637902396583) internal successors, (40573), 25353 states have internal predecessors, (40573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25354 states to 25354 states and 40573 transitions. [2022-10-16 16:11:03,944 INFO L78 Accepts]: Start accepts. Automaton has 25354 states and 40573 transitions. Word has length 73 [2022-10-16 16:11:03,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:03,945 INFO L495 AbstractCegarLoop]: Abstraction has 25354 states and 40573 transitions. [2022-10-16 16:11:03,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25354 states and 40573 transitions. [2022-10-16 16:11:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:11:03,946 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:03,946 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] [2022-10-16 16:11:03,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:11:03,947 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:03,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:03,947 INFO L85 PathProgramCache]: Analyzing trace with hash -355534265, now seen corresponding path program 1 times [2022-10-16 16:11:03,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:03,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778291465] [2022-10-16 16:11:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:03,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:04,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:04,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778291465] [2022-10-16 16:11:04,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778291465] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:04,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:04,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:04,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529639586] [2022-10-16 16:11:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:04,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:04,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:04,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:04,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:04,264 INFO L87 Difference]: Start difference. First operand 25354 states and 40573 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:07,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:07,530 INFO L93 Difference]: Finished difference Result 37668 states and 59897 transitions. [2022-10-16 16:11:07,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:11:07,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:11:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:07,614 INFO L225 Difference]: With dead ends: 37668 [2022-10-16 16:11:07,615 INFO L226 Difference]: Without dead ends: 37660 [2022-10-16 16:11:07,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:11:07,631 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 4349 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:07,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4349 Valid, 3055 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:11:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37660 states. [2022-10-16 16:11:09,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37660 to 30008. [2022-10-16 16:11:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30008 states, 29942 states have (on average 1.5882372587001536) internal successors, (47555), 30007 states have internal predecessors, (47555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30008 states to 30008 states and 47555 transitions. [2022-10-16 16:11:09,823 INFO L78 Accepts]: Start accepts. Automaton has 30008 states and 47555 transitions. Word has length 74 [2022-10-16 16:11:09,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:09,823 INFO L495 AbstractCegarLoop]: Abstraction has 30008 states and 47555 transitions. [2022-10-16 16:11:09,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 30008 states and 47555 transitions. [2022-10-16 16:11:09,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:11:09,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:09,824 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] [2022-10-16 16:11:09,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:11:09,825 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:09,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:09,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1863339921, now seen corresponding path program 1 times [2022-10-16 16:11:09,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:09,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359037835] [2022-10-16 16:11:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:09,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:09,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359037835] [2022-10-16 16:11:09,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359037835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:09,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:09,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:09,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469673268] [2022-10-16 16:11:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:09,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:09,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:09,950 INFO L87 Difference]: Start difference. First operand 30008 states and 47555 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:12,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:12,937 INFO L93 Difference]: Finished difference Result 37172 states and 58725 transitions. [2022-10-16 16:11:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:11:12,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:11:12,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:13,004 INFO L225 Difference]: With dead ends: 37172 [2022-10-16 16:11:13,005 INFO L226 Difference]: Without dead ends: 37164 [2022-10-16 16:11:13,016 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 [2022-10-16 16:11:13,017 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 4551 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4551 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:13,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4551 Valid, 2240 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:11:13,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37164 states. [2022-10-16 16:11:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37164 to 37046. [2022-10-16 16:11:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37046 states, 36982 states have (on average 1.5720891244389161) internal successors, (58139), 37045 states have internal predecessors, (58139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37046 states to 37046 states and 58139 transitions. [2022-10-16 16:11:15,693 INFO L78 Accepts]: Start accepts. Automaton has 37046 states and 58139 transitions. Word has length 75 [2022-10-16 16:11:15,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:15,694 INFO L495 AbstractCegarLoop]: Abstraction has 37046 states and 58139 transitions. [2022-10-16 16:11:15,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 37046 states and 58139 transitions. [2022-10-16 16:11:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:11:15,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:15,695 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] [2022-10-16 16:11:15,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:11:15,695 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:15,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1928962953, now seen corresponding path program 1 times [2022-10-16 16:11:15,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:15,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262248360] [2022-10-16 16:11:15,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:15,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:15,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:15,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262248360] [2022-10-16 16:11:15,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262248360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:15,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:15,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:11:15,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384840980] [2022-10-16 16:11:15,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:15,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:11:15,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:15,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:11:15,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:15,858 INFO L87 Difference]: Start difference. First operand 37046 states and 58139 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:20,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:20,128 INFO L93 Difference]: Finished difference Result 88841 states and 139145 transitions. [2022-10-16 16:11:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:11:20,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:11:20,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:20,217 INFO L225 Difference]: With dead ends: 88841 [2022-10-16 16:11:20,217 INFO L226 Difference]: Without dead ends: 51921 [2022-10-16 16:11:20,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:11:20,268 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 6453 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6453 SdHoareTripleChecker+Valid, 3417 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:20,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6453 Valid, 3417 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:11:20,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51921 states. [2022-10-16 16:11:23,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51921 to 41404. [2022-10-16 16:11:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41404 states, 41342 states have (on average 1.551327947365875) internal successors, (64135), 41403 states have internal predecessors, (64135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41404 states to 41404 states and 64135 transitions. [2022-10-16 16:11:23,537 INFO L78 Accepts]: Start accepts. Automaton has 41404 states and 64135 transitions. Word has length 76 [2022-10-16 16:11:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:23,537 INFO L495 AbstractCegarLoop]: Abstraction has 41404 states and 64135 transitions. [2022-10-16 16:11:23,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41404 states and 64135 transitions. [2022-10-16 16:11:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:11:23,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:23,544 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] [2022-10-16 16:11:23,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:11:23,545 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:23,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:23,545 INFO L85 PathProgramCache]: Analyzing trace with hash -331690349, now seen corresponding path program 1 times [2022-10-16 16:11:23,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:23,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302553011] [2022-10-16 16:11:23,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:23,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:23,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302553011] [2022-10-16 16:11:23,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302553011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:23,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:23,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:11:23,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933966348] [2022-10-16 16:11:23,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:23,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:11:23,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:23,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:11:23,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:23,711 INFO L87 Difference]: Start difference. First operand 41404 states and 64135 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:29,477 INFO L93 Difference]: Finished difference Result 65978 states and 102483 transitions. [2022-10-16 16:11:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:11:29,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:11:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:29,585 INFO L225 Difference]: With dead ends: 65978 [2022-10-16 16:11:29,585 INFO L226 Difference]: Without dead ends: 65970 [2022-10-16 16:11:29,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:11:29,605 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 8515 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8515 SdHoareTripleChecker+Valid, 2931 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:29,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8515 Valid, 2931 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:11:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65970 states. [2022-10-16 16:11:34,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65970 to 65748. [2022-10-16 16:11:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65748 states, 65688 states have (on average 1.5442851053464863) internal successors, (101441), 65747 states have internal predecessors, (101441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65748 states to 65748 states and 101441 transitions. [2022-10-16 16:11:34,625 INFO L78 Accepts]: Start accepts. Automaton has 65748 states and 101441 transitions. Word has length 77 [2022-10-16 16:11:34,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:34,625 INFO L495 AbstractCegarLoop]: Abstraction has 65748 states and 101441 transitions. [2022-10-16 16:11:34,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 65748 states and 101441 transitions. [2022-10-16 16:11:34,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:11:34,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:34,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:34,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:11:34,627 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:34,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2104752395, now seen corresponding path program 1 times [2022-10-16 16:11:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:34,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620887771] [2022-10-16 16:11:34,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:34,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:34,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:34,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620887771] [2022-10-16 16:11:34,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620887771] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:34,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:34,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:11:34,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88408339] [2022-10-16 16:11:34,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:34,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:11:34,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:34,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:11:34,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:34,719 INFO L87 Difference]: Start difference. First operand 65748 states and 101441 transitions. Second operand has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:39,418 INFO L93 Difference]: Finished difference Result 65748 states and 101441 transitions. [2022-10-16 16:11:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:11:39,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:11:39,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:39,527 INFO L225 Difference]: With dead ends: 65748 [2022-10-16 16:11:39,527 INFO L226 Difference]: Without dead ends: 65745 [2022-10-16 16:11:39,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:39,547 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 624 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:39,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 694 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:11:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65745 states. [2022-10-16 16:11:44,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65745 to 65745. [2022-10-16 16:11:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65745 states, 65688 states have (on average 1.5389721105833638) internal successors, (101092), 65744 states have internal predecessors, (101092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65745 states to 65745 states and 101092 transitions. [2022-10-16 16:11:44,837 INFO L78 Accepts]: Start accepts. Automaton has 65745 states and 101092 transitions. Word has length 86 [2022-10-16 16:11:44,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:44,838 INFO L495 AbstractCegarLoop]: Abstraction has 65745 states and 101092 transitions. [2022-10-16 16:11:44,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 65745 states and 101092 transitions. [2022-10-16 16:11:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:11:44,839 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:44,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:44,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:11:44,839 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:44,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:44,840 INFO L85 PathProgramCache]: Analyzing trace with hash -822814526, now seen corresponding path program 1 times [2022-10-16 16:11:44,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:44,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841368394] [2022-10-16 16:11:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:44,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:44,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:44,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841368394] [2022-10-16 16:11:44,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841368394] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:44,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:44,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:11:44,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427154956] [2022-10-16 16:11:44,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:44,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:11:44,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:44,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:11:44,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:44,935 INFO L87 Difference]: Start difference. First operand 65745 states and 101092 transitions. Second operand has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:49,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:49,826 INFO L93 Difference]: Finished difference Result 65745 states and 101092 transitions. [2022-10-16 16:11:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:11:49,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:11:49,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:49,937 INFO L225 Difference]: With dead ends: 65745 [2022-10-16 16:11:49,938 INFO L226 Difference]: Without dead ends: 65742 [2022-10-16 16:11:49,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:49,957 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 620 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:49,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 694 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:11:50,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65742 states. [2022-10-16 16:11:55,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65742 to 65742. [2022-10-16 16:11:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65742 states, 65688 states have (on average 1.533659115820241) internal successors, (100743), 65741 states have internal predecessors, (100743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65742 states to 65742 states and 100743 transitions. [2022-10-16 16:11:55,549 INFO L78 Accepts]: Start accepts. Automaton has 65742 states and 100743 transitions. Word has length 87 [2022-10-16 16:11:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:55,549 INFO L495 AbstractCegarLoop]: Abstraction has 65742 states and 100743 transitions. [2022-10-16 16:11:55,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 65742 states and 100743 transitions. [2022-10-16 16:11:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 16:11:55,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:55,555 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, 1, 1] [2022-10-16 16:11:55,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:11:55,555 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:11:55,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:55,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1286268412, now seen corresponding path program 1 times [2022-10-16 16:11:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:55,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176397133] [2022-10-16 16:11:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:55,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:55,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:55,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176397133] [2022-10-16 16:11:55,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176397133] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:55,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:55,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:55,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308364102] [2022-10-16 16:11:55,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:55,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:11:55,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:55,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:11:55,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:11:55,646 INFO L87 Difference]: Start difference. First operand 65742 states and 100743 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:05,972 INFO L93 Difference]: Finished difference Result 189261 states and 289437 transitions. [2022-10-16 16:12:05,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:12:05,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-10-16 16:12:05,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:06,414 INFO L225 Difference]: With dead ends: 189261 [2022-10-16 16:12:06,414 INFO L226 Difference]: Without dead ends: 123693 [2022-10-16 16:12:06,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:12:06,486 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 569 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:06,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1367 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:12:06,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123693 states. [2022-10-16 16:12:17,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123693 to 123639. [2022-10-16 16:12:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123639 states, 123585 states have (on average 1.5230893716875025) internal successors, (188231), 123638 states have internal predecessors, (188231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123639 states to 123639 states and 188231 transitions. [2022-10-16 16:12:17,778 INFO L78 Accepts]: Start accepts. Automaton has 123639 states and 188231 transitions. Word has length 108 [2022-10-16 16:12:17,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:17,779 INFO L495 AbstractCegarLoop]: Abstraction has 123639 states and 188231 transitions. [2022-10-16 16:12:17,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 123639 states and 188231 transitions. [2022-10-16 16:12:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:12:17,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:17,787 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, 1, 1, 1, 1] [2022-10-16 16:12:17,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:12:17,788 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:12:17,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:17,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1483020877, now seen corresponding path program 1 times [2022-10-16 16:12:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:17,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109768584] [2022-10-16 16:12:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:17,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:17,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109768584] [2022-10-16 16:12:17,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109768584] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:17,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:17,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:17,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685054449] [2022-10-16 16:12:17,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:17,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:17,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:17,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:17,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:17,924 INFO L87 Difference]: Start difference. First operand 123639 states and 188231 transitions. Second operand has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:30,656 INFO L93 Difference]: Finished difference Result 157563 states and 241297 transitions. [2022-10-16 16:12:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:12:30,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:12:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:30,947 INFO L225 Difference]: With dead ends: 157563 [2022-10-16 16:12:30,947 INFO L226 Difference]: Without dead ends: 157557 [2022-10-16 16:12:30,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:30,984 INFO L413 NwaCegarLoop]: 980 mSDtfsCounter, 1056 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:30,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 1975 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:12:31,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157557 states. [2022-10-16 16:12:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157557 to 133351. [2022-10-16 16:12:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133351 states, 133297 states have (on average 1.5258482936600224) internal successors, (203391), 133350 states have internal predecessors, (203391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133351 states to 133351 states and 203391 transitions. [2022-10-16 16:12:43,945 INFO L78 Accepts]: Start accepts. Automaton has 133351 states and 203391 transitions. Word has length 110 [2022-10-16 16:12:43,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:43,945 INFO L495 AbstractCegarLoop]: Abstraction has 133351 states and 203391 transitions. [2022-10-16 16:12:43,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 133351 states and 203391 transitions. [2022-10-16 16:12:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:12:43,954 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:43,954 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, 1, 1, 1, 1] [2022-10-16 16:12:43,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:12:43,955 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 85 more)] === [2022-10-16 16:12:43,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1580282270, now seen corresponding path program 1 times [2022-10-16 16:12:43,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:43,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160791402] [2022-10-16 16:12:43,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:44,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:44,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160791402] [2022-10-16 16:12:44,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160791402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:44,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:44,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:44,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162525076] [2022-10-16 16:12:44,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:44,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:12:44,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:44,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:12:44,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:12:44,065 INFO L87 Difference]: Start difference. First operand 133351 states and 203391 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:07,824 INFO L93 Difference]: Finished difference Result 389888 states and 593479 transitions. [2022-10-16 16:13:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:07,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:13:07,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:08,604 INFO L225 Difference]: With dead ends: 389888 [2022-10-16 16:13:08,604 INFO L226 Difference]: Without dead ends: 256743 [2022-10-16 16:13:08,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:08,807 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 574 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:08,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 1395 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:13:09,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256743 states.