/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.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:29:43,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:29:43,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:29:43,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:29:43,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:29:43,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:29:43,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:29:43,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:29:43,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:29:43,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:29:43,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:29:43,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:29:43,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:29:43,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:29:43,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:29:43,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:29:43,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:29:43,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:29:43,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:29:43,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:29:43,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:29:43,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:29:43,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:29:43,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:29:43,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:29:43,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:29:43,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:29:43,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:29:43,376 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 16:29:43,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:29:43,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:29:43,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:29:43,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:29:43,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:29:43,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:29:43,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:29:43,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:29:43,448 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:29:43,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:29:43,450 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:29:43,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:29:43,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:29:43,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:29:43,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:29:43,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:29:43,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:29:43,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:29:43,453 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:29:43,453 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:29:43,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:29:43,453 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:29:43,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:29:43,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:29:43,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:29:43,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:29:43,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:29:43,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:29:43,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:29:43,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:29:43,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:29:43,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:29:43,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:29:43,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:29:43,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:29:43,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:29:43,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:29:43,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:29:43,940 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:29:43,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:29:44,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c36fcce/8bdf409844c64d8f8cfbd57f6c819103/FLAG08730ecd2 [2022-10-16 16:29:44,689 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:29:44,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:29:44,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c36fcce/8bdf409844c64d8f8cfbd57f6c819103/FLAG08730ecd2 [2022-10-16 16:29:45,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c36fcce/8bdf409844c64d8f8cfbd57f6c819103 [2022-10-16 16:29:45,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:29:45,030 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:29:45,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:29:45,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:29:45,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:29:45,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3625c566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45, skipping insertion in model container [2022-10-16 16:29:45,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:29:45,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:29:45,461 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.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7834,7847] [2022-10-16 16:29:45,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:29:45,527 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:29:45,633 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.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7834,7847] [2022-10-16 16:29:45,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:29:45,723 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:29:45,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45 WrapperNode [2022-10-16 16:29:45,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:29:45,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:29:45,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:29:45,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:29:45,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,818 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 660 [2022-10-16 16:29:45,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:29:45,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:29:45,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:29:45,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:29:45,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:29:45,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:29:45,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:29:45,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:29:45,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (1/1) ... [2022-10-16 16:29:45,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:29:45,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:29:45,934 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 16:29:45,951 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 16:29:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:29:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:29:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:29:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:29:46,185 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:29:46,191 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:29:47,095 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:29:47,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:29:47,114 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:29:47,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:29:47 BoogieIcfgContainer [2022-10-16 16:29:47,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:29:47,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:29:47,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:29:47,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:29:47,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:29:45" (1/3) ... [2022-10-16 16:29:47,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d099814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:29:47, skipping insertion in model container [2022-10-16 16:29:47,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:45" (2/3) ... [2022-10-16 16:29:47,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d099814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:29:47, skipping insertion in model container [2022-10-16 16:29:47,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:29:47" (3/3) ... [2022-10-16 16:29:47,127 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:29:47,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:29:47,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-16 16:29:47,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:29:47,229 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;@61f2fb74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:29:47,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-16 16:29:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 234 states, 189 states have (on average 1.8148148148148149) internal successors, (343), 233 states have internal predecessors, (343), 0 states have call successors, (0), 0 states 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 16:29:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:29:47,251 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:47,252 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] [2022-10-16 16:29:47,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:47,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:47,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1650937210, now seen corresponding path program 1 times [2022-10-16 16:29:47,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:47,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958839932] [2022-10-16 16:29:47,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:47,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:47,868 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 16:29:47,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:47,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958839932] [2022-10-16 16:29:47,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958839932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:47,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:47,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:47,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632618423] [2022-10-16 16:29:47,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:47,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:47,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:47,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:47,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:47,921 INFO L87 Difference]: Start difference. First operand has 234 states, 189 states have (on average 1.8148148148148149) internal successors, (343), 233 states have internal predecessors, (343), 0 states have call successors, (0), 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 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states 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 16:29:48,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:48,350 INFO L93 Difference]: Finished difference Result 493 states and 708 transitions. [2022-10-16 16:29:48,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:29:48,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 16:29:48,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:48,378 INFO L225 Difference]: With dead ends: 493 [2022-10-16 16:29:48,379 INFO L226 Difference]: Without dead ends: 472 [2022-10-16 16:29:48,382 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 16:29:48,387 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 764 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:48,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 641 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:29:48,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-10-16 16:29:48,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 330. [2022-10-16 16:29:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 292 states have (on average 1.5582191780821917) internal successors, (455), 329 states have internal predecessors, (455), 0 states have call successors, (0), 0 states 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 16:29:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 455 transitions. [2022-10-16 16:29:48,472 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 455 transitions. Word has length 50 [2022-10-16 16:29:48,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:48,472 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 455 transitions. [2022-10-16 16:29:48,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states 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 16:29:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 455 transitions. [2022-10-16 16:29:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:29:48,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:48,475 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] [2022-10-16 16:29:48,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:29:48,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:48,477 INFO L85 PathProgramCache]: Analyzing trace with hash 360554239, now seen corresponding path program 1 times [2022-10-16 16:29:48,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:48,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996552743] [2022-10-16 16:29:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:48,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:48,684 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 16:29:48,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:48,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996552743] [2022-10-16 16:29:48,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996552743] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:48,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:48,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:48,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803811260] [2022-10-16 16:29:48,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:48,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:48,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:48,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:48,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:48,689 INFO L87 Difference]: Start difference. First operand 330 states and 455 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 16:29:48,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:48,920 INFO L93 Difference]: Finished difference Result 451 states and 624 transitions. [2022-10-16 16:29:48,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:29:48,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 16:29:48,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:48,930 INFO L225 Difference]: With dead ends: 451 [2022-10-16 16:29:48,930 INFO L226 Difference]: Without dead ends: 446 [2022-10-16 16:29:48,937 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 16:29:48,944 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 658 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:48,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 322 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:29:48,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-10-16 16:29:49,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 428. [2022-10-16 16:29:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 392 states have (on average 1.5714285714285714) internal successors, (616), 427 states have internal predecessors, (616), 0 states have call successors, (0), 0 states 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 16:29:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 616 transitions. [2022-10-16 16:29:49,011 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 616 transitions. Word has length 51 [2022-10-16 16:29:49,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:49,012 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 616 transitions. [2022-10-16 16:29:49,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 16:29:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 616 transitions. [2022-10-16 16:29:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:29:49,014 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:49,014 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] [2022-10-16 16:29:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:29:49,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1707720280, now seen corresponding path program 1 times [2022-10-16 16:29:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:49,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716651187] [2022-10-16 16:29:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:49,220 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 16:29:49,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:49,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716651187] [2022-10-16 16:29:49,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716651187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:49,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:49,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:29:49,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119471860] [2022-10-16 16:29:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:49,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:29:49,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:49,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:29:49,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:29:49,225 INFO L87 Difference]: Start difference. First operand 428 states and 616 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 16:29:49,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:49,652 INFO L93 Difference]: Finished difference Result 677 states and 937 transitions. [2022-10-16 16:29:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:29:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 16:29:49,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:49,658 INFO L225 Difference]: With dead ends: 677 [2022-10-16 16:29:49,658 INFO L226 Difference]: Without dead ends: 672 [2022-10-16 16:29:49,659 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 16:29:49,661 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1039 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:49,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 907 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:29:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-10-16 16:29:49,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 521. [2022-10-16 16:29:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 487 states have (on average 1.5728952772073923) internal successors, (766), 520 states have internal predecessors, (766), 0 states have call successors, (0), 0 states 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 16:29:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 766 transitions. [2022-10-16 16:29:49,716 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 766 transitions. Word has length 52 [2022-10-16 16:29:49,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:49,717 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 766 transitions. [2022-10-16 16:29:49,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 16:29:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 766 transitions. [2022-10-16 16:29:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:29:49,719 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:49,719 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] [2022-10-16 16:29:49,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:29:49,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:49,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:49,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1399720927, now seen corresponding path program 1 times [2022-10-16 16:29:49,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:49,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524080811] [2022-10-16 16:29:49,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:49,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:49,936 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 16:29:49,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:49,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524080811] [2022-10-16 16:29:49,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524080811] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:49,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:49,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:29:49,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153503657] [2022-10-16 16:29:49,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:49,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:29:49,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:49,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:29:49,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:29:49,941 INFO L87 Difference]: Start difference. First operand 521 states and 766 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 16:29:50,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:50,252 INFO L93 Difference]: Finished difference Result 652 states and 924 transitions. [2022-10-16 16:29:50,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:29:50,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-16 16:29:50,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:50,258 INFO L225 Difference]: With dead ends: 652 [2022-10-16 16:29:50,258 INFO L226 Difference]: Without dead ends: 647 [2022-10-16 16:29:50,259 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 16:29:50,260 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1045 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:50,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 559 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:29:50,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-10-16 16:29:50,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 614. [2022-10-16 16:29:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 582 states have (on average 1.5687285223367697) internal successors, (913), 613 states have internal predecessors, (913), 0 states have call successors, (0), 0 states 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 16:29:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 913 transitions. [2022-10-16 16:29:50,305 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 913 transitions. Word has length 53 [2022-10-16 16:29:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:50,306 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 913 transitions. [2022-10-16 16:29:50,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states 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 16:29:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 913 transitions. [2022-10-16 16:29:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:29:50,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:50,308 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] [2022-10-16 16:29:50,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:29:50,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:50,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:50,309 INFO L85 PathProgramCache]: Analyzing trace with hash -441675574, now seen corresponding path program 1 times [2022-10-16 16:29:50,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:50,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257851775] [2022-10-16 16:29:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:50,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:50,491 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 16:29:50,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:50,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257851775] [2022-10-16 16:29:50,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257851775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:50,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:50,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:29:50,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601717576] [2022-10-16 16:29:50,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:50,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:29:50,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:50,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:29:50,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:29:50,495 INFO L87 Difference]: Start difference. First operand 614 states and 913 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 16:29:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:51,023 INFO L93 Difference]: Finished difference Result 956 states and 1375 transitions. [2022-10-16 16:29:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:29:51,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 16:29:51,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:51,030 INFO L225 Difference]: With dead ends: 956 [2022-10-16 16:29:51,030 INFO L226 Difference]: Without dead ends: 951 [2022-10-16 16:29:51,031 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 16:29:51,033 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1376 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:51,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 1346 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:29:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-10-16 16:29:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 702. [2022-10-16 16:29:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 672 states have (on average 1.5610119047619047) internal successors, (1049), 701 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states 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 16:29:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1049 transitions. [2022-10-16 16:29:51,106 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1049 transitions. Word has length 54 [2022-10-16 16:29:51,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:51,108 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 1049 transitions. [2022-10-16 16:29:51,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 16:29:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1049 transitions. [2022-10-16 16:29:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:29:51,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:51,110 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] [2022-10-16 16:29:51,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:29:51,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:51,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash -807040701, now seen corresponding path program 1 times [2022-10-16 16:29:51,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:51,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177833396] [2022-10-16 16:29:51,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:51,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:51,335 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 16:29:51,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:51,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177833396] [2022-10-16 16:29:51,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177833396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:51,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:51,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:29:51,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905612457] [2022-10-16 16:29:51,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:51,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:29:51,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:51,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:29:51,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:29:51,339 INFO L87 Difference]: Start difference. First operand 702 states and 1049 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 16:29:51,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:51,818 INFO L93 Difference]: Finished difference Result 930 states and 1340 transitions. [2022-10-16 16:29:51,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:29:51,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-16 16:29:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:51,825 INFO L225 Difference]: With dead ends: 930 [2022-10-16 16:29:51,825 INFO L226 Difference]: Without dead ends: 925 [2022-10-16 16:29:51,826 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 16:29:51,828 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1394 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:51,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 897 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:29:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-10-16 16:29:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 880. [2022-10-16 16:29:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 852 states have (on average 1.556338028169014) internal successors, (1326), 879 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states 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 16:29:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1326 transitions. [2022-10-16 16:29:51,902 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1326 transitions. Word has length 55 [2022-10-16 16:29:51,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:51,903 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1326 transitions. [2022-10-16 16:29:51,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 16:29:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1326 transitions. [2022-10-16 16:29:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:29:51,904 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:51,904 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] [2022-10-16 16:29:51,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:29:51,905 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:51,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:51,906 INFO L85 PathProgramCache]: Analyzing trace with hash 751542252, now seen corresponding path program 1 times [2022-10-16 16:29:51,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:51,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107274322] [2022-10-16 16:29:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:51,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:52,064 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 16:29:52,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:52,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107274322] [2022-10-16 16:29:52,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107274322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:52,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:52,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:29:52,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405736390] [2022-10-16 16:29:52,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:52,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:29:52,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:52,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:29:52,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:29:52,067 INFO L87 Difference]: Start difference. First operand 880 states and 1326 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states 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 16:29:53,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:53,308 INFO L93 Difference]: Finished difference Result 2882 states and 4366 transitions. [2022-10-16 16:29:53,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:29:53,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-10-16 16:29:53,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:53,321 INFO L225 Difference]: With dead ends: 2882 [2022-10-16 16:29:53,321 INFO L226 Difference]: Without dead ends: 2184 [2022-10-16 16:29:53,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:29:53,327 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1586 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:53,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 2992 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:29:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2022-10-16 16:29:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1551. [2022-10-16 16:29:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1525 states have (on average 1.5508196721311476) internal successors, (2365), 1550 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states 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 16:29:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2365 transitions. [2022-10-16 16:29:53,465 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2365 transitions. Word has length 56 [2022-10-16 16:29:53,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:53,466 INFO L495 AbstractCegarLoop]: Abstraction has 1551 states and 2365 transitions. [2022-10-16 16:29:53,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 0 states have call successors, (0), 0 states 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 16:29:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2365 transitions. [2022-10-16 16:29:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:29:53,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:53,472 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] [2022-10-16 16:29:53,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:29:53,473 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:53,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:53,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1822973541, now seen corresponding path program 1 times [2022-10-16 16:29:53,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:53,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491317433] [2022-10-16 16:29:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:53,670 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 16:29:53,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:53,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491317433] [2022-10-16 16:29:53,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491317433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:53,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:53,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:29:53,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97255776] [2022-10-16 16:29:53,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:53,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:29:53,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:53,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:29:53,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:29:53,673 INFO L87 Difference]: Start difference. First operand 1551 states and 2365 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 16:29:54,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:54,712 INFO L93 Difference]: Finished difference Result 2235 states and 3322 transitions. [2022-10-16 16:29:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:29:54,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-16 16:29:54,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:54,726 INFO L225 Difference]: With dead ends: 2235 [2022-10-16 16:29:54,727 INFO L226 Difference]: Without dead ends: 2230 [2022-10-16 16:29:54,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:29:54,729 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 1799 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:54,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 1564 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:29:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-10-16 16:29:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2140. [2022-10-16 16:29:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2116 states have (on average 1.5463137996219283) internal successors, (3272), 2139 states have internal predecessors, (3272), 0 states have call successors, (0), 0 states 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 16:29:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3272 transitions. [2022-10-16 16:29:54,942 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3272 transitions. Word has length 57 [2022-10-16 16:29:54,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:54,943 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 3272 transitions. [2022-10-16 16:29:54,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 16:29:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3272 transitions. [2022-10-16 16:29:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:29:54,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:54,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:54,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:29:54,956 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:54,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:54,958 INFO L85 PathProgramCache]: Analyzing trace with hash 310174988, now seen corresponding path program 1 times [2022-10-16 16:29:54,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:54,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690793866] [2022-10-16 16:29:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:55,146 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 16:29:55,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:55,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690793866] [2022-10-16 16:29:55,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690793866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:55,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:55,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:55,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952068221] [2022-10-16 16:29:55,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:55,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:55,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:55,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:55,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:55,150 INFO L87 Difference]: Start difference. First operand 2140 states and 3272 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:55,508 INFO L93 Difference]: Finished difference Result 2431 states and 3693 transitions. [2022-10-16 16:29:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:29:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:29:55,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:55,522 INFO L225 Difference]: With dead ends: 2431 [2022-10-16 16:29:55,522 INFO L226 Difference]: Without dead ends: 2428 [2022-10-16 16:29:55,523 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 16:29:55,524 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 444 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:55,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 538 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:29:55,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2022-10-16 16:29:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2392. [2022-10-16 16:29:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2368 states have (on average 1.5557432432432432) internal successors, (3684), 2391 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states 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 16:29:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3684 transitions. [2022-10-16 16:29:55,711 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3684 transitions. Word has length 92 [2022-10-16 16:29:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:55,712 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 3684 transitions. [2022-10-16 16:29:55,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3684 transitions. [2022-10-16 16:29:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:29:55,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:55,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:55,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:29:55,714 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:55,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:55,714 INFO L85 PathProgramCache]: Analyzing trace with hash 734226920, now seen corresponding path program 1 times [2022-10-16 16:29:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:55,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980531602] [2022-10-16 16:29:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:55,879 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 16:29:55,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:55,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980531602] [2022-10-16 16:29:55,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980531602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:55,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:55,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:55,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824863698] [2022-10-16 16:29:55,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:55,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:55,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:55,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:55,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:55,882 INFO L87 Difference]: Start difference. First operand 2392 states and 3684 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:56,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:56,284 INFO L93 Difference]: Finished difference Result 3218 states and 4945 transitions. [2022-10-16 16:29:56,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:29:56,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:29:56,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:56,303 INFO L225 Difference]: With dead ends: 3218 [2022-10-16 16:29:56,303 INFO L226 Difference]: Without dead ends: 3215 [2022-10-16 16:29:56,305 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 16:29:56,306 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 326 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:56,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 730 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:29:56,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3215 states. [2022-10-16 16:29:56,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3215 to 3182. [2022-10-16 16:29:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3182 states, 3158 states have (on average 1.5573147561747942) internal successors, (4918), 3181 states have internal predecessors, (4918), 0 states have call successors, (0), 0 states 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 16:29:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 3182 states and 4918 transitions. [2022-10-16 16:29:56,584 INFO L78 Accepts]: Start accepts. Automaton has 3182 states and 4918 transitions. Word has length 92 [2022-10-16 16:29:56,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:56,584 INFO L495 AbstractCegarLoop]: Abstraction has 3182 states and 4918 transitions. [2022-10-16 16:29:56,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:56,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 4918 transitions. [2022-10-16 16:29:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:29:56,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:56,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:56,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:29:56,587 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:56,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1025490350, now seen corresponding path program 1 times [2022-10-16 16:29:56,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:56,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32116802] [2022-10-16 16:29:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:56,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:56,768 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 16:29:56,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:56,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32116802] [2022-10-16 16:29:56,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32116802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:56,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:56,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:56,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308869527] [2022-10-16 16:29:56,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:56,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:56,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:56,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:56,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:56,772 INFO L87 Difference]: Start difference. First operand 3182 states and 4918 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:57,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:57,151 INFO L93 Difference]: Finished difference Result 3200 states and 4918 transitions. [2022-10-16 16:29:57,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:29:57,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:29:57,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:57,169 INFO L225 Difference]: With dead ends: 3200 [2022-10-16 16:29:57,170 INFO L226 Difference]: Without dead ends: 3197 [2022-10-16 16:29:57,171 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 16:29:57,172 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 446 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:57,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 421 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:29:57,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-10-16 16:29:57,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3179. [2022-10-16 16:29:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3158 states have (on average 1.551614946168461) internal successors, (4900), 3178 states have internal predecessors, (4900), 0 states have call successors, (0), 0 states 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 16:29:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4900 transitions. [2022-10-16 16:29:57,450 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4900 transitions. Word has length 93 [2022-10-16 16:29:57,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:57,450 INFO L495 AbstractCegarLoop]: Abstraction has 3179 states and 4900 transitions. [2022-10-16 16:29:57,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4900 transitions. [2022-10-16 16:29:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:29:57,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:57,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:57,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:29:57,452 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:57,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:57,453 INFO L85 PathProgramCache]: Analyzing trace with hash 584107397, now seen corresponding path program 1 times [2022-10-16 16:29:57,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:57,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102097628] [2022-10-16 16:29:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:57,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:57,592 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 16:29:57,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:57,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102097628] [2022-10-16 16:29:57,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102097628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:57,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:57,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:57,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280154552] [2022-10-16 16:29:57,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:57,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:57,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:57,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:57,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:57,595 INFO L87 Difference]: Start difference. First operand 3179 states and 4900 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:58,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:58,002 INFO L93 Difference]: Finished difference Result 3470 states and 5312 transitions. [2022-10-16 16:29:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:29:58,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:29:58,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:58,023 INFO L225 Difference]: With dead ends: 3470 [2022-10-16 16:29:58,023 INFO L226 Difference]: Without dead ends: 3467 [2022-10-16 16:29:58,025 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 16:29:58,026 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 319 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:58,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 704 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:29:58,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-10-16 16:29:58,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3179. [2022-10-16 16:29:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3158 states have (on average 1.5430652311589614) internal successors, (4873), 3178 states have internal predecessors, (4873), 0 states have call successors, (0), 0 states 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 16:29:58,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4873 transitions. [2022-10-16 16:29:58,316 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4873 transitions. Word has length 94 [2022-10-16 16:29:58,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:58,317 INFO L495 AbstractCegarLoop]: Abstraction has 3179 states and 4873 transitions. [2022-10-16 16:29:58,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:58,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4873 transitions. [2022-10-16 16:29:58,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:29:58,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:58,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:58,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:29:58,320 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:58,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:58,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1725430094, now seen corresponding path program 1 times [2022-10-16 16:29:58,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:58,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602017785] [2022-10-16 16:29:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:58,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:58,493 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 16:29:58,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:58,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602017785] [2022-10-16 16:29:58,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602017785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:58,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:58,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:29:58,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268540289] [2022-10-16 16:29:58,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:58,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:29:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:58,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:29:58,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:29:58,496 INFO L87 Difference]: Start difference. First operand 3179 states and 4873 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:29:59,049 INFO L93 Difference]: Finished difference Result 3739 states and 5696 transitions. [2022-10-16 16:29:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:29:59,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:29:59,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:29:59,095 INFO L225 Difference]: With dead ends: 3739 [2022-10-16 16:29:59,095 INFO L226 Difference]: Without dead ends: 3736 [2022-10-16 16:29:59,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:29:59,099 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 817 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:29:59,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 761 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:29:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-10-16 16:29:59,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3442. [2022-10-16 16:29:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 3421 states have (on average 1.5445776088862906) internal successors, (5284), 3441 states have internal predecessors, (5284), 0 states have call successors, (0), 0 states 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 16:29:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 5284 transitions. [2022-10-16 16:29:59,392 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 5284 transitions. Word has length 94 [2022-10-16 16:29:59,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:29:59,392 INFO L495 AbstractCegarLoop]: Abstraction has 3442 states and 5284 transitions. [2022-10-16 16:29:59,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:59,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 5284 transitions. [2022-10-16 16:29:59,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:29:59,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:59,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:29:59,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:29:59,395 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:29:59,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1217443626, now seen corresponding path program 1 times [2022-10-16 16:29:59,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:59,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062924592] [2022-10-16 16:29:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:59,572 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 16:29:59,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:59,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062924592] [2022-10-16 16:29:59,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062924592] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:59,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:59,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:29:59,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139798677] [2022-10-16 16:29:59,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:59,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:29:59,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:59,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:29:59,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:29:59,575 INFO L87 Difference]: Start difference. First operand 3442 states and 5284 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:00,157 INFO L93 Difference]: Finished difference Result 3739 states and 5687 transitions. [2022-10-16 16:30:00,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:00,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:30:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:00,168 INFO L225 Difference]: With dead ends: 3739 [2022-10-16 16:30:00,168 INFO L226 Difference]: Without dead ends: 3736 [2022-10-16 16:30:00,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:00,171 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 709 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:00,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 1036 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-10-16 16:30:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3694. [2022-10-16 16:30:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 3673 states have (on average 1.545875306289137) internal successors, (5678), 3693 states have internal predecessors, (5678), 0 states have call successors, (0), 0 states 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 16:30:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5678 transitions. [2022-10-16 16:30:00,492 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5678 transitions. Word has length 94 [2022-10-16 16:30:00,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:00,492 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5678 transitions. [2022-10-16 16:30:00,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:00,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5678 transitions. [2022-10-16 16:30:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:30:00,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:00,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:00,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:30:00,496 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:00,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:00,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1371584098, now seen corresponding path program 1 times [2022-10-16 16:30:00,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:00,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069280242] [2022-10-16 16:30:00,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:00,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:00,654 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 16:30:00,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:00,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069280242] [2022-10-16 16:30:00,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069280242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:00,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:00,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:00,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570758816] [2022-10-16 16:30:00,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:00,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:00,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:00,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:00,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:00,657 INFO L87 Difference]: Start difference. First operand 3694 states and 5678 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:01,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:01,196 INFO L93 Difference]: Finished difference Result 3736 states and 5678 transitions. [2022-10-16 16:30:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:01,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:30:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:01,205 INFO L225 Difference]: With dead ends: 3736 [2022-10-16 16:30:01,205 INFO L226 Difference]: Without dead ends: 3733 [2022-10-16 16:30:01,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:01,208 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 708 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:01,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 951 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:01,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3733 states. [2022-10-16 16:30:01,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3733 to 3694. [2022-10-16 16:30:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 3673 states have (on average 1.5409746800980124) internal successors, (5660), 3693 states have internal predecessors, (5660), 0 states have call successors, (0), 0 states 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 16:30:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5660 transitions. [2022-10-16 16:30:01,561 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5660 transitions. Word has length 94 [2022-10-16 16:30:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:01,562 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5660 transitions. [2022-10-16 16:30:01,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5660 transitions. [2022-10-16 16:30:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:30:01,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:01,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:01,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:30:01,564 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:01,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1948725680, now seen corresponding path program 1 times [2022-10-16 16:30:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:01,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262027346] [2022-10-16 16:30:01,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:01,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:01,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:01,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262027346] [2022-10-16 16:30:01,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262027346] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:01,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:01,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:01,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233425453] [2022-10-16 16:30:01,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:01,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:01,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:01,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:01,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:01,751 INFO L87 Difference]: Start difference. First operand 3694 states and 5660 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:02,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:02,317 INFO L93 Difference]: Finished difference Result 4744 states and 7290 transitions. [2022-10-16 16:30:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:02,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:30:02,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:02,328 INFO L225 Difference]: With dead ends: 4744 [2022-10-16 16:30:02,329 INFO L226 Difference]: Without dead ends: 4741 [2022-10-16 16:30:02,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:02,331 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 738 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:02,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 626 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4741 states. [2022-10-16 16:30:02,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 4702. [2022-10-16 16:30:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4702 states, 4681 states have (on average 1.5515915402691733) internal successors, (7263), 4701 states have internal predecessors, (7263), 0 states have call successors, (0), 0 states 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 16:30:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4702 states to 4702 states and 7263 transitions. [2022-10-16 16:30:02,684 INFO L78 Accepts]: Start accepts. Automaton has 4702 states and 7263 transitions. Word has length 95 [2022-10-16 16:30:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:02,684 INFO L495 AbstractCegarLoop]: Abstraction has 4702 states and 7263 transitions. [2022-10-16 16:30:02,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 7263 transitions. [2022-10-16 16:30:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:30:02,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:02,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:02,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:30:02,687 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash -913952940, now seen corresponding path program 1 times [2022-10-16 16:30:02,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:02,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988458644] [2022-10-16 16:30:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:02,855 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 16:30:02,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:02,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988458644] [2022-10-16 16:30:02,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988458644] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:02,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:02,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:02,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874689360] [2022-10-16 16:30:02,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:02,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:02,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:02,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:02,858 INFO L87 Difference]: Start difference. First operand 4702 states and 7263 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:03,454 INFO L93 Difference]: Finished difference Result 6001 states and 9242 transitions. [2022-10-16 16:30:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:03,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:30:03,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:03,473 INFO L225 Difference]: With dead ends: 6001 [2022-10-16 16:30:03,473 INFO L226 Difference]: Without dead ends: 5998 [2022-10-16 16:30:03,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:03,477 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 736 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:03,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 617 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5998 states. [2022-10-16 16:30:03,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5998 to 5458. [2022-10-16 16:30:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5458 states, 5437 states have (on average 1.551590950892036) internal successors, (8436), 5457 states have internal predecessors, (8436), 0 states have call successors, (0), 0 states 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 16:30:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5458 states to 5458 states and 8436 transitions. [2022-10-16 16:30:03,973 INFO L78 Accepts]: Start accepts. Automaton has 5458 states and 8436 transitions. Word has length 95 [2022-10-16 16:30:03,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:03,973 INFO L495 AbstractCegarLoop]: Abstraction has 5458 states and 8436 transitions. [2022-10-16 16:30:03,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 5458 states and 8436 transitions. [2022-10-16 16:30:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:03,975 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:03,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:03,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:30:03,976 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:03,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1313497209, now seen corresponding path program 1 times [2022-10-16 16:30:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:03,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316431339] [2022-10-16 16:30:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:04,189 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 16:30:04,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:04,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316431339] [2022-10-16 16:30:04,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316431339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:04,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:04,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:04,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666307953] [2022-10-16 16:30:04,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:04,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:04,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:04,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:04,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:04,192 INFO L87 Difference]: Start difference. First operand 5458 states and 8436 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:05,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:05,045 INFO L93 Difference]: Finished difference Result 6265 states and 9654 transitions. [2022-10-16 16:30:05,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:05,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:05,069 INFO L225 Difference]: With dead ends: 6265 [2022-10-16 16:30:05,069 INFO L226 Difference]: Without dead ends: 6262 [2022-10-16 16:30:05,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:05,074 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 600 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:05,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 782 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:05,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2022-10-16 16:30:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 6214. [2022-10-16 16:30:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6214 states, 6193 states have (on average 1.5559502664298401) internal successors, (9636), 6213 states have internal predecessors, (9636), 0 states have call successors, (0), 0 states 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 16:30:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6214 states to 6214 states and 9636 transitions. [2022-10-16 16:30:05,517 INFO L78 Accepts]: Start accepts. Automaton has 6214 states and 9636 transitions. Word has length 96 [2022-10-16 16:30:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:05,518 INFO L495 AbstractCegarLoop]: Abstraction has 6214 states and 9636 transitions. [2022-10-16 16:30:05,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 6214 states and 9636 transitions. [2022-10-16 16:30:05,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:05,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:05,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:05,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:30:05,520 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:05,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:05,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1159356737, now seen corresponding path program 1 times [2022-10-16 16:30:05,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:05,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822754068] [2022-10-16 16:30:05,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:05,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:05,767 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 16:30:05,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:05,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822754068] [2022-10-16 16:30:05,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822754068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:05,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:05,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:05,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049015867] [2022-10-16 16:30:05,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:05,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:05,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:05,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:05,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:05,770 INFO L87 Difference]: Start difference. First operand 6214 states and 9636 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:06,507 INFO L93 Difference]: Finished difference Result 7012 states and 10818 transitions. [2022-10-16 16:30:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:06,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:06,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:06,525 INFO L225 Difference]: With dead ends: 7012 [2022-10-16 16:30:06,526 INFO L226 Difference]: Without dead ends: 7009 [2022-10-16 16:30:06,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:06,530 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 469 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:06,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 959 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:06,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7009 states. [2022-10-16 16:30:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7009 to 6970. [2022-10-16 16:30:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6970 states, 6949 states have (on average 1.5541804576198015) internal successors, (10800), 6969 states have internal predecessors, (10800), 0 states have call successors, (0), 0 states 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 16:30:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6970 states to 6970 states and 10800 transitions. [2022-10-16 16:30:06,931 INFO L78 Accepts]: Start accepts. Automaton has 6970 states and 10800 transitions. Word has length 96 [2022-10-16 16:30:06,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:06,932 INFO L495 AbstractCegarLoop]: Abstraction has 6970 states and 10800 transitions. [2022-10-16 16:30:06,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 6970 states and 10800 transitions. [2022-10-16 16:30:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:06,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:06,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:06,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:30:06,934 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:06,935 INFO L85 PathProgramCache]: Analyzing trace with hash 280954256, now seen corresponding path program 1 times [2022-10-16 16:30:06,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:06,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617097913] [2022-10-16 16:30:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:06,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:07,117 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 16:30:07,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:07,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617097913] [2022-10-16 16:30:07,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617097913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:07,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:07,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:07,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990953466] [2022-10-16 16:30:07,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:07,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:07,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:07,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:07,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:07,120 INFO L87 Difference]: Start difference. First operand 6970 states and 10800 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:07,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:07,954 INFO L93 Difference]: Finished difference Result 7270 states and 11194 transitions. [2022-10-16 16:30:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:07,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:07,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:07,976 INFO L225 Difference]: With dead ends: 7270 [2022-10-16 16:30:07,977 INFO L226 Difference]: Without dead ends: 7267 [2022-10-16 16:30:07,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:07,985 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1148 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:07,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 1255 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:30:08,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7267 states. [2022-10-16 16:30:08,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7267 to 7228. [2022-10-16 16:30:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7228 states, 7207 states have (on average 1.5519633689468573) internal successors, (11185), 7227 states have internal predecessors, (11185), 0 states have call successors, (0), 0 states 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 16:30:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 11185 transitions. [2022-10-16 16:30:08,528 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 11185 transitions. Word has length 96 [2022-10-16 16:30:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:08,529 INFO L495 AbstractCegarLoop]: Abstraction has 7228 states and 11185 transitions. [2022-10-16 16:30:08,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 11185 transitions. [2022-10-16 16:30:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:08,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:08,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:08,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:30:08,532 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:08,532 INFO L85 PathProgramCache]: Analyzing trace with hash 291919259, now seen corresponding path program 1 times [2022-10-16 16:30:08,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:08,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567702524] [2022-10-16 16:30:08,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:08,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:08,728 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 16:30:08,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:08,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567702524] [2022-10-16 16:30:08,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567702524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:08,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:08,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:08,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151106672] [2022-10-16 16:30:08,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:08,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:08,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:08,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:08,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:08,731 INFO L87 Difference]: Start difference. First operand 7228 states and 11185 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:09,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:09,425 INFO L93 Difference]: Finished difference Result 7522 states and 11579 transitions. [2022-10-16 16:30:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:09,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:09,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:09,448 INFO L225 Difference]: With dead ends: 7522 [2022-10-16 16:30:09,448 INFO L226 Difference]: Without dead ends: 7519 [2022-10-16 16:30:09,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:09,452 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 463 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:09,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 942 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:09,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states. [2022-10-16 16:30:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 7480. [2022-10-16 16:30:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7480 states, 7459 states have (on average 1.5487330741386245) internal successors, (11552), 7479 states have internal predecessors, (11552), 0 states have call successors, (0), 0 states 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 16:30:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7480 states to 7480 states and 11552 transitions. [2022-10-16 16:30:09,962 INFO L78 Accepts]: Start accepts. Automaton has 7480 states and 11552 transitions. Word has length 96 [2022-10-16 16:30:09,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:09,963 INFO L495 AbstractCegarLoop]: Abstraction has 7480 states and 11552 transitions. [2022-10-16 16:30:09,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 7480 states and 11552 transitions. [2022-10-16 16:30:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:09,965 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:09,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:09,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:30:09,965 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:09,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1732230252, now seen corresponding path program 1 times [2022-10-16 16:30:09,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:09,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792321624] [2022-10-16 16:30:09,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:09,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:10,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:10,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792321624] [2022-10-16 16:30:10,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792321624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:10,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:10,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:10,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390097600] [2022-10-16 16:30:10,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:10,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:10,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:10,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:10,135 INFO L87 Difference]: Start difference. First operand 7480 states and 11552 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:10,927 INFO L93 Difference]: Finished difference Result 7780 states and 11946 transitions. [2022-10-16 16:30:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:10,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:10,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:10,948 INFO L225 Difference]: With dead ends: 7780 [2022-10-16 16:30:10,949 INFO L226 Difference]: Without dead ends: 7777 [2022-10-16 16:30:10,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:10,954 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 1235 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:10,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 1187 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:10,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7777 states. [2022-10-16 16:30:11,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7777 to 7738. [2022-10-16 16:30:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7738 states, 7717 states have (on average 1.546844628741739) internal successors, (11937), 7737 states have internal predecessors, (11937), 0 states have call successors, (0), 0 states 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 16:30:11,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7738 states to 7738 states and 11937 transitions. [2022-10-16 16:30:11,412 INFO L78 Accepts]: Start accepts. Automaton has 7738 states and 11937 transitions. Word has length 96 [2022-10-16 16:30:11,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:11,413 INFO L495 AbstractCegarLoop]: Abstraction has 7738 states and 11937 transitions. [2022-10-16 16:30:11,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7738 states and 11937 transitions. [2022-10-16 16:30:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:11,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:11,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:11,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:30:11,415 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:11,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:11,416 INFO L85 PathProgramCache]: Analyzing trace with hash -462631516, now seen corresponding path program 1 times [2022-10-16 16:30:11,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:11,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979511786] [2022-10-16 16:30:11,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:11,577 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 16:30:11,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:11,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979511786] [2022-10-16 16:30:11,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979511786] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:11,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:11,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:11,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589928679] [2022-10-16 16:30:11,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:11,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:11,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:11,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:11,580 INFO L87 Difference]: Start difference. First operand 7738 states and 11937 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:12,294 INFO L93 Difference]: Finished difference Result 8032 states and 12322 transitions. [2022-10-16 16:30:12,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:12,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:12,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:12,309 INFO L225 Difference]: With dead ends: 8032 [2022-10-16 16:30:12,309 INFO L226 Difference]: Without dead ends: 8029 [2022-10-16 16:30:12,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:12,313 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1148 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:12,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 1276 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:12,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8029 states. [2022-10-16 16:30:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8029 to 7990. [2022-10-16 16:30:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7990 states, 7969 states have (on average 1.5451123102020328) internal successors, (12313), 7989 states have internal predecessors, (12313), 0 states have call successors, (0), 0 states 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 16:30:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7990 states to 7990 states and 12313 transitions. [2022-10-16 16:30:12,913 INFO L78 Accepts]: Start accepts. Automaton has 7990 states and 12313 transitions. Word has length 96 [2022-10-16 16:30:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:12,913 INFO L495 AbstractCegarLoop]: Abstraction has 7990 states and 12313 transitions. [2022-10-16 16:30:12,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7990 states and 12313 transitions. [2022-10-16 16:30:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:30:12,915 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:12,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:12,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:30:12,915 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:12,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1472121512, now seen corresponding path program 1 times [2022-10-16 16:30:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:12,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345306885] [2022-10-16 16:30:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:13,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:13,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345306885] [2022-10-16 16:30:13,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345306885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:13,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:13,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:13,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221477809] [2022-10-16 16:30:13,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:13,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:13,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:13,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:13,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:13,089 INFO L87 Difference]: Start difference. First operand 7990 states and 12313 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:14,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:14,008 INFO L93 Difference]: Finished difference Result 8029 states and 12313 transitions. [2022-10-16 16:30:14,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:30:14,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:30:14,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:14,023 INFO L225 Difference]: With dead ends: 8029 [2022-10-16 16:30:14,023 INFO L226 Difference]: Without dead ends: 8026 [2022-10-16 16:30:14,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:14,027 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 875 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:14,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 1448 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:14,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8026 states. [2022-10-16 16:30:14,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8026 to 7990. [2022-10-16 16:30:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7990 states, 7969 states have (on average 1.5439829338687414) internal successors, (12304), 7989 states have internal predecessors, (12304), 0 states have call successors, (0), 0 states 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 16:30:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7990 states to 7990 states and 12304 transitions. [2022-10-16 16:30:14,530 INFO L78 Accepts]: Start accepts. Automaton has 7990 states and 12304 transitions. Word has length 96 [2022-10-16 16:30:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:14,531 INFO L495 AbstractCegarLoop]: Abstraction has 7990 states and 12304 transitions. [2022-10-16 16:30:14,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7990 states and 12304 transitions. [2022-10-16 16:30:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:30:14,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:14,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:14,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:30:14,533 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:14,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2063707497, now seen corresponding path program 1 times [2022-10-16 16:30:14,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:14,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468528526] [2022-10-16 16:30:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:14,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:14,693 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 16:30:14,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:14,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468528526] [2022-10-16 16:30:14,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468528526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:14,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:14,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:14,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517547699] [2022-10-16 16:30:14,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:14,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:14,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:14,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:14,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:14,697 INFO L87 Difference]: Start difference. First operand 7990 states and 12304 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:15,249 INFO L93 Difference]: Finished difference Result 8023 states and 12304 transitions. [2022-10-16 16:30:15,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:15,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 16:30:15,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:15,260 INFO L225 Difference]: With dead ends: 8023 [2022-10-16 16:30:15,261 INFO L226 Difference]: Without dead ends: 8020 [2022-10-16 16:30:15,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:15,265 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 494 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:15,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 673 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8020 states. [2022-10-16 16:30:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8020 to 6478. [2022-10-16 16:30:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6478 states, 6457 states have (on average 1.5324454080842496) internal successors, (9895), 6477 states have internal predecessors, (9895), 0 states have call successors, (0), 0 states 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 16:30:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6478 states to 6478 states and 9895 transitions. [2022-10-16 16:30:15,780 INFO L78 Accepts]: Start accepts. Automaton has 6478 states and 9895 transitions. Word has length 97 [2022-10-16 16:30:15,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:15,780 INFO L495 AbstractCegarLoop]: Abstraction has 6478 states and 9895 transitions. [2022-10-16 16:30:15,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 6478 states and 9895 transitions. [2022-10-16 16:30:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:30:15,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:15,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:15,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:30:15,783 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:15,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:15,783 INFO L85 PathProgramCache]: Analyzing trace with hash 119647666, now seen corresponding path program 1 times [2022-10-16 16:30:15,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:15,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372634579] [2022-10-16 16:30:15,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:15,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:16,015 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 16:30:16,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:16,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372634579] [2022-10-16 16:30:16,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372634579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:16,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:16,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:16,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51904046] [2022-10-16 16:30:16,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:16,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:16,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:16,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:16,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:16,021 INFO L87 Difference]: Start difference. First operand 6478 states and 9895 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:16,764 INFO L93 Difference]: Finished difference Result 9064 states and 13862 transitions. [2022-10-16 16:30:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:16,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 16:30:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:16,780 INFO L225 Difference]: With dead ends: 9064 [2022-10-16 16:30:16,780 INFO L226 Difference]: Without dead ends: 9061 [2022-10-16 16:30:16,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:16,785 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1205 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:16,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 755 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:16,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9061 states. [2022-10-16 16:30:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9061 to 9004. [2022-10-16 16:30:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9004 states, 8983 states have (on average 1.5371256818434822) internal successors, (13808), 9003 states have internal predecessors, (13808), 0 states have call successors, (0), 0 states 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 16:30:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9004 states to 9004 states and 13808 transitions. [2022-10-16 16:30:17,396 INFO L78 Accepts]: Start accepts. Automaton has 9004 states and 13808 transitions. Word has length 97 [2022-10-16 16:30:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:17,397 INFO L495 AbstractCegarLoop]: Abstraction has 9004 states and 13808 transitions. [2022-10-16 16:30:17,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9004 states and 13808 transitions. [2022-10-16 16:30:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:30:17,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:17,399 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:17,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:30:17,399 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:17,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2135436714, now seen corresponding path program 1 times [2022-10-16 16:30:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:17,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279860204] [2022-10-16 16:30:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:17,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:17,559 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 16:30:17,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:17,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279860204] [2022-10-16 16:30:17,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279860204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:17,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:17,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:17,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558882916] [2022-10-16 16:30:17,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:17,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:17,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:17,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:17,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:17,562 INFO L87 Difference]: Start difference. First operand 9004 states and 13808 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:18,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:18,619 INFO L93 Difference]: Finished difference Result 12337 states and 18912 transitions. [2022-10-16 16:30:18,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:18,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 16:30:18,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:18,639 INFO L225 Difference]: With dead ends: 12337 [2022-10-16 16:30:18,639 INFO L226 Difference]: Without dead ends: 12334 [2022-10-16 16:30:18,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:18,644 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1020 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:18,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1017 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:18,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12334 states. [2022-10-16 16:30:19,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12334 to 12280. [2022-10-16 16:30:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12280 states, 12259 states have (on average 1.5390325475161106) internal successors, (18867), 12279 states have internal predecessors, (18867), 0 states have call successors, (0), 0 states 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 16:30:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12280 states to 12280 states and 18867 transitions. [2022-10-16 16:30:19,458 INFO L78 Accepts]: Start accepts. Automaton has 12280 states and 18867 transitions. Word has length 97 [2022-10-16 16:30:19,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:19,458 INFO L495 AbstractCegarLoop]: Abstraction has 12280 states and 18867 transitions. [2022-10-16 16:30:19,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12280 states and 18867 transitions. [2022-10-16 16:30:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:30:19,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:19,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:19,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:30:19,459 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:19,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:19,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1456674786, now seen corresponding path program 1 times [2022-10-16 16:30:19,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:19,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607955888] [2022-10-16 16:30:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:19,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:19,608 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 16:30:19,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:19,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607955888] [2022-10-16 16:30:19,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607955888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:19,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:19,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:19,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073421164] [2022-10-16 16:30:19,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:19,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:19,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:19,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:19,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:19,611 INFO L87 Difference]: Start difference. First operand 12280 states and 18867 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:20,662 INFO L93 Difference]: Finished difference Result 14851 states and 22717 transitions. [2022-10-16 16:30:20,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:20,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 16:30:20,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:20,683 INFO L225 Difference]: With dead ends: 14851 [2022-10-16 16:30:20,683 INFO L226 Difference]: Without dead ends: 14848 [2022-10-16 16:30:20,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:20,688 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1016 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:20,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 925 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:20,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14848 states. [2022-10-16 16:30:21,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14848 to 14302. [2022-10-16 16:30:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 14281 states have (on average 1.53490651915132) internal successors, (21920), 14301 states have internal predecessors, (21920), 0 states have call successors, (0), 0 states 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 16:30:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 21920 transitions. [2022-10-16 16:30:21,613 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 21920 transitions. Word has length 97 [2022-10-16 16:30:21,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:21,613 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 21920 transitions. [2022-10-16 16:30:21,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 21920 transitions. [2022-10-16 16:30:21,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:21,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:21,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:21,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:30:21,615 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash -990733640, now seen corresponding path program 1 times [2022-10-16 16:30:21,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:21,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251321963] [2022-10-16 16:30:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:21,763 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 16:30:21,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:21,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251321963] [2022-10-16 16:30:21,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251321963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:21,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:21,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:21,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116002003] [2022-10-16 16:30:21,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:21,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:21,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:21,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:21,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:21,766 INFO L87 Difference]: Start difference. First operand 14302 states and 21920 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:22,909 INFO L93 Difference]: Finished difference Result 16111 states and 24660 transitions. [2022-10-16 16:30:22,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:22,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:22,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:22,936 INFO L225 Difference]: With dead ends: 16111 [2022-10-16 16:30:22,936 INFO L226 Difference]: Without dead ends: 16108 [2022-10-16 16:30:22,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:22,941 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 467 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:22,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1145 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16108 states. [2022-10-16 16:30:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16108 to 15310. [2022-10-16 16:30:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15310 states, 15289 states have (on average 1.5285499378638236) internal successors, (23370), 15309 states have internal predecessors, (23370), 0 states have call successors, (0), 0 states 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 16:30:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15310 states to 15310 states and 23370 transitions. [2022-10-16 16:30:23,983 INFO L78 Accepts]: Start accepts. Automaton has 15310 states and 23370 transitions. Word has length 98 [2022-10-16 16:30:23,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:23,983 INFO L495 AbstractCegarLoop]: Abstraction has 15310 states and 23370 transitions. [2022-10-16 16:30:23,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 15310 states and 23370 transitions. [2022-10-16 16:30:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:23,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:23,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:23,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:30:23,986 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:23,986 INFO L85 PathProgramCache]: Analyzing trace with hash 449577353, now seen corresponding path program 1 times [2022-10-16 16:30:23,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:23,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863543628] [2022-10-16 16:30:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:23,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:24,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:24,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863543628] [2022-10-16 16:30:24,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863543628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:24,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:24,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:24,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061409281] [2022-10-16 16:30:24,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:24,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:24,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:24,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:24,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:24,198 INFO L87 Difference]: Start difference. First operand 15310 states and 23370 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:25,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:25,483 INFO L93 Difference]: Finished difference Result 16882 states and 25707 transitions. [2022-10-16 16:30:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:25,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:25,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:25,509 INFO L225 Difference]: With dead ends: 16882 [2022-10-16 16:30:25,510 INFO L226 Difference]: Without dead ends: 16879 [2022-10-16 16:30:25,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:25,516 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 953 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:25,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 1021 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16879 states. [2022-10-16 16:30:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16879 to 16066. [2022-10-16 16:30:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16066 states, 16045 states have (on average 1.5290744780305392) internal successors, (24534), 16065 states have internal predecessors, (24534), 0 states have call successors, (0), 0 states 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 16:30:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16066 states to 16066 states and 24534 transitions. [2022-10-16 16:30:26,564 INFO L78 Accepts]: Start accepts. Automaton has 16066 states and 24534 transitions. Word has length 98 [2022-10-16 16:30:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:26,564 INFO L495 AbstractCegarLoop]: Abstraction has 16066 states and 24534 transitions. [2022-10-16 16:30:26,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 16066 states and 24534 transitions. [2022-10-16 16:30:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:26,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:26,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:26,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:30:26,566 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:26,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:26,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1745284415, now seen corresponding path program 1 times [2022-10-16 16:30:26,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:26,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754272825] [2022-10-16 16:30:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:26,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:26,756 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 16:30:26,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:26,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754272825] [2022-10-16 16:30:26,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754272825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:26,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:26,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:26,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847917436] [2022-10-16 16:30:26,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:26,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:26,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:26,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:26,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:26,759 INFO L87 Difference]: Start difference. First operand 16066 states and 24534 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:28,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:28,009 INFO L93 Difference]: Finished difference Result 16870 states and 25698 transitions. [2022-10-16 16:30:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:28,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:28,031 INFO L225 Difference]: With dead ends: 16870 [2022-10-16 16:30:28,031 INFO L226 Difference]: Without dead ends: 16867 [2022-10-16 16:30:28,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:28,036 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1032 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:28,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 982 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:28,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16867 states. [2022-10-16 16:30:29,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16867 to 16822. [2022-10-16 16:30:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16822 states, 16801 states have (on average 1.5284804475924052) internal successors, (25680), 16821 states have internal predecessors, (25680), 0 states have call successors, (0), 0 states 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 16:30:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16822 states to 16822 states and 25680 transitions. [2022-10-16 16:30:29,128 INFO L78 Accepts]: Start accepts. Automaton has 16822 states and 25680 transitions. Word has length 98 [2022-10-16 16:30:29,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:29,128 INFO L495 AbstractCegarLoop]: Abstraction has 16822 states and 25680 transitions. [2022-10-16 16:30:29,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 16822 states and 25680 transitions. [2022-10-16 16:30:29,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:29,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:29,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:29,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:30:29,131 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:29,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:29,131 INFO L85 PathProgramCache]: Analyzing trace with hash -585889326, now seen corresponding path program 1 times [2022-10-16 16:30:29,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:29,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193878905] [2022-10-16 16:30:29,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:29,297 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 16:30:29,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:29,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193878905] [2022-10-16 16:30:29,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193878905] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:29,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:29,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:29,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755600090] [2022-10-16 16:30:29,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:29,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:29,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:29,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:29,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:29,300 INFO L87 Difference]: Start difference. First operand 16822 states and 25680 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:30,782 INFO L93 Difference]: Finished difference Result 25523 states and 38799 transitions. [2022-10-16 16:30:30,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:30:30,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:30,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:30,807 INFO L225 Difference]: With dead ends: 25523 [2022-10-16 16:30:30,807 INFO L226 Difference]: Without dead ends: 17192 [2022-10-16 16:30:30,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:30:30,820 INFO L413 NwaCegarLoop]: 589 mSDtfsCounter, 1249 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:30,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 1738 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17192 states. [2022-10-16 16:30:31,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17192 to 17159. [2022-10-16 16:30:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17159 states, 17138 states have (on average 1.5263157894736843) internal successors, (26158), 17158 states have internal predecessors, (26158), 0 states have call successors, (0), 0 states 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 16:30:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17159 states to 17159 states and 26158 transitions. [2022-10-16 16:30:31,995 INFO L78 Accepts]: Start accepts. Automaton has 17159 states and 26158 transitions. Word has length 98 [2022-10-16 16:30:31,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:31,995 INFO L495 AbstractCegarLoop]: Abstraction has 17159 states and 26158 transitions. [2022-10-16 16:30:31,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 17159 states and 26158 transitions. [2022-10-16 16:30:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:31,996 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:31,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:31,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:30:31,997 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:31,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:31,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1540192885, now seen corresponding path program 1 times [2022-10-16 16:30:31,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:31,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279756483] [2022-10-16 16:30:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:31,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:32,150 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 16:30:32,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:32,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279756483] [2022-10-16 16:30:32,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279756483] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:32,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:32,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:32,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313091443] [2022-10-16 16:30:32,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:32,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:32,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:32,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:32,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:32,152 INFO L87 Difference]: Start difference. First operand 17159 states and 26158 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:33,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:33,420 INFO L93 Difference]: Finished difference Result 17450 states and 26534 transitions. [2022-10-16 16:30:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:33,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:33,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:33,443 INFO L225 Difference]: With dead ends: 17450 [2022-10-16 16:30:33,443 INFO L226 Difference]: Without dead ends: 17447 [2022-10-16 16:30:33,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:33,449 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 743 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:33,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1244 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:30:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17447 states. [2022-10-16 16:30:34,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17447 to 17411. [2022-10-16 16:30:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17411 states, 17390 states have (on average 1.5253018976423232) internal successors, (26525), 17410 states have internal predecessors, (26525), 0 states have call successors, (0), 0 states 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 16:30:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17411 states to 17411 states and 26525 transitions. [2022-10-16 16:30:34,614 INFO L78 Accepts]: Start accepts. Automaton has 17411 states and 26525 transitions. Word has length 98 [2022-10-16 16:30:34,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:34,615 INFO L495 AbstractCegarLoop]: Abstraction has 17411 states and 26525 transitions. [2022-10-16 16:30:34,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 17411 states and 26525 transitions. [2022-10-16 16:30:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:34,616 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:34,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:30:34,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:30:34,616 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:34,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1361543837, now seen corresponding path program 1 times [2022-10-16 16:30:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:34,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784235212] [2022-10-16 16:30:34,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:34,774 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 16:30:34,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:34,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784235212] [2022-10-16 16:30:34,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784235212] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:34,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:34,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939031299] [2022-10-16 16:30:34,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:34,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:34,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:34,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:34,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:34,777 INFO L87 Difference]: Start difference. First operand 17411 states and 26525 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:36,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:36,081 INFO L93 Difference]: Finished difference Result 18215 states and 27689 transitions. [2022-10-16 16:30:36,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:36,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:36,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:36,109 INFO L225 Difference]: With dead ends: 18215 [2022-10-16 16:30:36,109 INFO L226 Difference]: Without dead ends: 18212 [2022-10-16 16:30:36,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:36,118 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 924 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:36,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 909 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:36,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18212 states. [2022-10-16 16:30:37,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18212 to 18167. [2022-10-16 16:30:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18167 states, 18146 states have (on average 1.5249090708696131) internal successors, (27671), 18166 states have internal predecessors, (27671), 0 states have call successors, (0), 0 states 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 16:30:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18167 states to 18167 states and 27671 transitions. [2022-10-16 16:30:37,327 INFO L78 Accepts]: Start accepts. Automaton has 18167 states and 27671 transitions. Word has length 98 [2022-10-16 16:30:37,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:37,327 INFO L495 AbstractCegarLoop]: Abstraction has 18167 states and 27671 transitions. [2022-10-16 16:30:37,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 18167 states and 27671 transitions. [2022-10-16 16:30:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:37,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:37,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:37,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:30:37,330 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:37,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1774028370, now seen corresponding path program 1 times [2022-10-16 16:30:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:37,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733744323] [2022-10-16 16:30:37,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:37,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:37,485 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 16:30:37,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:37,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733744323] [2022-10-16 16:30:37,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733744323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:37,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:37,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:37,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754324178] [2022-10-16 16:30:37,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:37,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:37,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:37,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:37,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:37,487 INFO L87 Difference]: Start difference. First operand 18167 states and 27671 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:39,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:39,095 INFO L93 Difference]: Finished difference Result 30066 states and 45857 transitions. [2022-10-16 16:30:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:30:39,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:39,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:39,117 INFO L225 Difference]: With dead ends: 30066 [2022-10-16 16:30:39,118 INFO L226 Difference]: Without dead ends: 18453 [2022-10-16 16:30:39,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:30:39,135 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 1242 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:39,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 1424 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:30:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18453 states. [2022-10-16 16:30:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18453 to 18420. [2022-10-16 16:30:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18420 states, 18399 states have (on average 1.5235067123213217) internal successors, (28031), 18419 states have internal predecessors, (28031), 0 states have call successors, (0), 0 states 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 16:30:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18420 states to 18420 states and 28031 transitions. [2022-10-16 16:30:40,234 INFO L78 Accepts]: Start accepts. Automaton has 18420 states and 28031 transitions. Word has length 98 [2022-10-16 16:30:40,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:40,235 INFO L495 AbstractCegarLoop]: Abstraction has 18420 states and 28031 transitions. [2022-10-16 16:30:40,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 18420 states and 28031 transitions. [2022-10-16 16:30:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:40,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:40,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:40,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:30:40,237 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:40,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:40,238 INFO L85 PathProgramCache]: Analyzing trace with hash 352053841, now seen corresponding path program 1 times [2022-10-16 16:30:40,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:40,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222385259] [2022-10-16 16:30:40,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:40,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:40,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:40,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222385259] [2022-10-16 16:30:40,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222385259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:40,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:40,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:40,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096070607] [2022-10-16 16:30:40,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:40,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:40,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:40,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:40,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:40,402 INFO L87 Difference]: Start difference. First operand 18420 states and 28031 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:41,957 INFO L93 Difference]: Finished difference Result 18711 states and 28407 transitions. [2022-10-16 16:30:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:41,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:41,981 INFO L225 Difference]: With dead ends: 18711 [2022-10-16 16:30:41,981 INFO L226 Difference]: Without dead ends: 18708 [2022-10-16 16:30:41,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:41,987 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 727 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:41,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1419 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18708 states. [2022-10-16 16:30:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18708 to 18672. [2022-10-16 16:30:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18672 states, 18651 states have (on average 1.5221167765803443) internal successors, (28389), 18671 states have internal predecessors, (28389), 0 states have call successors, (0), 0 states 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 16:30:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18672 states to 18672 states and 28389 transitions. [2022-10-16 16:30:43,204 INFO L78 Accepts]: Start accepts. Automaton has 18672 states and 28389 transitions. Word has length 98 [2022-10-16 16:30:43,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:43,205 INFO L495 AbstractCegarLoop]: Abstraction has 18672 states and 28389 transitions. [2022-10-16 16:30:43,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 18672 states and 28389 transitions. [2022-10-16 16:30:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:43,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:43,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:43,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:30:43,207 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:43,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:43,207 INFO L85 PathProgramCache]: Analyzing trace with hash 2087722214, now seen corresponding path program 1 times [2022-10-16 16:30:43,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:43,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994102196] [2022-10-16 16:30:43,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:43,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:43,364 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 16:30:43,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:43,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994102196] [2022-10-16 16:30:43,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994102196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:43,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:43,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:43,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025037651] [2022-10-16 16:30:43,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:43,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:43,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:43,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:43,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:43,367 INFO L87 Difference]: Start difference. First operand 18672 states and 28389 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:45,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:45,188 INFO L93 Difference]: Finished difference Result 33595 states and 51186 transitions. [2022-10-16 16:30:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:30:45,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:45,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:45,215 INFO L225 Difference]: With dead ends: 33595 [2022-10-16 16:30:45,215 INFO L226 Difference]: Without dead ends: 18958 [2022-10-16 16:30:45,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:30:45,233 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 1419 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:45,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 1274 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:30:45,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18958 states. [2022-10-16 16:30:46,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18958 to 18925. [2022-10-16 16:30:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18925 states, 18904 states have (on average 1.5207892509521794) internal successors, (28749), 18924 states have internal predecessors, (28749), 0 states have call successors, (0), 0 states 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 16:30:46,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18925 states to 18925 states and 28749 transitions. [2022-10-16 16:30:46,501 INFO L78 Accepts]: Start accepts. Automaton has 18925 states and 28749 transitions. Word has length 98 [2022-10-16 16:30:46,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:46,501 INFO L495 AbstractCegarLoop]: Abstraction has 18925 states and 28749 transitions. [2022-10-16 16:30:46,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 18925 states and 28749 transitions. [2022-10-16 16:30:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:46,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:46,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:46,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:30:46,503 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:46,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:46,503 INFO L85 PathProgramCache]: Analyzing trace with hash -81162871, now seen corresponding path program 1 times [2022-10-16 16:30:46,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:46,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347431749] [2022-10-16 16:30:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:46,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:46,673 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 16:30:46,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:46,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347431749] [2022-10-16 16:30:46,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347431749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:46,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:46,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:46,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820195455] [2022-10-16 16:30:46,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:46,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:46,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:46,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:46,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:46,675 INFO L87 Difference]: Start difference. First operand 18925 states and 28749 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:48,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:48,189 INFO L93 Difference]: Finished difference Result 19216 states and 29125 transitions. [2022-10-16 16:30:48,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:48,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:48,212 INFO L225 Difference]: With dead ends: 19216 [2022-10-16 16:30:48,212 INFO L226 Difference]: Without dead ends: 19213 [2022-10-16 16:30:48,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:48,217 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 824 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:48,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 1244 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:48,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19213 states. [2022-10-16 16:30:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19213 to 19177. [2022-10-16 16:30:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19177 states, 19156 states have (on average 1.5194717059929004) internal successors, (29107), 19176 states have internal predecessors, (29107), 0 states have call successors, (0), 0 states 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 16:30:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19177 states to 19177 states and 29107 transitions. [2022-10-16 16:30:49,356 INFO L78 Accepts]: Start accepts. Automaton has 19177 states and 29107 transitions. Word has length 98 [2022-10-16 16:30:49,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:49,356 INFO L495 AbstractCegarLoop]: Abstraction has 19177 states and 29107 transitions. [2022-10-16 16:30:49,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 19177 states and 29107 transitions. [2022-10-16 16:30:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:49,358 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:49,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:49,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:30:49,358 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:49,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:49,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1501470202, now seen corresponding path program 1 times [2022-10-16 16:30:49,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:49,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293236528] [2022-10-16 16:30:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:49,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:49,510 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 16:30:49,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:49,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293236528] [2022-10-16 16:30:49,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293236528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:49,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:49,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:49,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246538762] [2022-10-16 16:30:49,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:49,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:49,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:49,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:49,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:49,512 INFO L87 Difference]: Start difference. First operand 19177 states and 29107 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:51,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:51,108 INFO L93 Difference]: Finished difference Result 37288 states and 56665 transitions. [2022-10-16 16:30:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:30:51,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:51,136 INFO L225 Difference]: With dead ends: 37288 [2022-10-16 16:30:51,136 INFO L226 Difference]: Without dead ends: 19207 [2022-10-16 16:30:51,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:51,159 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1537 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:51,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1376 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:30:51,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19207 states. [2022-10-16 16:30:52,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19207 to 19177. [2022-10-16 16:30:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19177 states, 19156 states have (on average 1.5192628941323867) internal successors, (29103), 19176 states have internal predecessors, (29103), 0 states have call successors, (0), 0 states 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 16:30:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19177 states to 19177 states and 29103 transitions. [2022-10-16 16:30:52,500 INFO L78 Accepts]: Start accepts. Automaton has 19177 states and 29103 transitions. Word has length 98 [2022-10-16 16:30:52,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:52,500 INFO L495 AbstractCegarLoop]: Abstraction has 19177 states and 29103 transitions. [2022-10-16 16:30:52,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 19177 states and 29103 transitions. [2022-10-16 16:30:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:30:52,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:52,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:52,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:30:52,502 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:52,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1664522342, now seen corresponding path program 1 times [2022-10-16 16:30:52,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:52,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401830987] [2022-10-16 16:30:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:52,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:52,659 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 16:30:52,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:52,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401830987] [2022-10-16 16:30:52,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401830987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:52,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:52,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:52,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012239318] [2022-10-16 16:30:52,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:52,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:52,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:52,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:52,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:52,662 INFO L87 Difference]: Start difference. First operand 19177 states and 29103 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:54,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:54,206 INFO L93 Difference]: Finished difference Result 34351 states and 52230 transitions. [2022-10-16 16:30:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:30:54,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:30:54,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:54,233 INFO L225 Difference]: With dead ends: 34351 [2022-10-16 16:30:54,233 INFO L226 Difference]: Without dead ends: 19462 [2022-10-16 16:30:54,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:30:54,252 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 1362 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:54,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 1627 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:30:54,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19462 states. [2022-10-16 16:30:55,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19462 to 19429. [2022-10-16 16:30:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19429 states, 19408 states have (on average 1.5180338004946414) internal successors, (29462), 19428 states have internal predecessors, (29462), 0 states have call successors, (0), 0 states 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 16:30:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19429 states to 19429 states and 29462 transitions. [2022-10-16 16:30:55,549 INFO L78 Accepts]: Start accepts. Automaton has 19429 states and 29462 transitions. Word has length 98 [2022-10-16 16:30:55,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:55,549 INFO L495 AbstractCegarLoop]: Abstraction has 19429 states and 29462 transitions. [2022-10-16 16:30:55,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 19429 states and 29462 transitions. [2022-10-16 16:30:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:30:55,550 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:55,551 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] [2022-10-16 16:30:55,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:30:55,551 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:55,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:55,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1051996377, now seen corresponding path program 1 times [2022-10-16 16:30:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:55,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423256512] [2022-10-16 16:30:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:55,701 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 16:30:55,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:55,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423256512] [2022-10-16 16:30:55,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423256512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:55,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:55,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:55,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881065816] [2022-10-16 16:30:55,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:55,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:55,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:55,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:55,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:55,703 INFO L87 Difference]: Start difference. First operand 19429 states and 29462 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:57,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:57,449 INFO L93 Difference]: Finished difference Result 23014 states and 34960 transitions. [2022-10-16 16:30:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:57,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:30:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:57,484 INFO L225 Difference]: With dead ends: 23014 [2022-10-16 16:30:57,484 INFO L226 Difference]: Without dead ends: 23011 [2022-10-16 16:30:57,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:57,492 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 967 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:57,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 797 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:30:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23011 states. [2022-10-16 16:30:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23011 to 22705. [2022-10-16 16:30:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22705 states, 22684 states have (on average 1.5214247928055016) internal successors, (34512), 22704 states have internal predecessors, (34512), 0 states have call successors, (0), 0 states 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 16:30:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22705 states to 22705 states and 34512 transitions. [2022-10-16 16:30:59,091 INFO L78 Accepts]: Start accepts. Automaton has 22705 states and 34512 transitions. Word has length 99 [2022-10-16 16:30:59,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:59,091 INFO L495 AbstractCegarLoop]: Abstraction has 22705 states and 34512 transitions. [2022-10-16 16:30:59,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22705 states and 34512 transitions. [2022-10-16 16:30:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:30:59,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:59,093 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] [2022-10-16 16:30:59,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:30:59,093 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:30:59,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1730758305, now seen corresponding path program 1 times [2022-10-16 16:30:59,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:59,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506983780] [2022-10-16 16:30:59,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:59,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:59,243 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 16:30:59,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:59,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506983780] [2022-10-16 16:30:59,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506983780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:59,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:59,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:59,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646267968] [2022-10-16 16:30:59,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:59,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:59,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:59,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:59,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:59,246 INFO L87 Difference]: Start difference. First operand 22705 states and 34512 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:01,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:01,386 INFO L93 Difference]: Finished difference Result 30580 states and 46762 transitions. [2022-10-16 16:31:01,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:01,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:31:01,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:01,426 INFO L225 Difference]: With dead ends: 30580 [2022-10-16 16:31:01,426 INFO L226 Difference]: Without dead ends: 30574 [2022-10-16 16:31:01,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:01,432 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 885 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:01,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 940 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:01,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30574 states. [2022-10-16 16:31:03,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30574 to 29509. [2022-10-16 16:31:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29509 states, 29488 states have (on average 1.5274688008681498) internal successors, (45042), 29508 states have internal predecessors, (45042), 0 states have call successors, (0), 0 states 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 16:31:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29509 states to 29509 states and 45042 transitions. [2022-10-16 16:31:03,556 INFO L78 Accepts]: Start accepts. Automaton has 29509 states and 45042 transitions. Word has length 99 [2022-10-16 16:31:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:03,556 INFO L495 AbstractCegarLoop]: Abstraction has 29509 states and 45042 transitions. [2022-10-16 16:31:03,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29509 states and 45042 transitions. [2022-10-16 16:31:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:31:03,557 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:03,557 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] [2022-10-16 16:31:03,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:31:03,558 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash -982699596, now seen corresponding path program 1 times [2022-10-16 16:31:03,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:03,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066048960] [2022-10-16 16:31:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:03,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:03,711 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 16:31:03,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:03,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066048960] [2022-10-16 16:31:03,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066048960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:03,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:03,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:03,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273155951] [2022-10-16 16:31:03,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:03,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:03,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:03,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:03,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:03,713 INFO L87 Difference]: Start difference. First operand 29509 states and 45042 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:06,538 INFO L93 Difference]: Finished difference Result 53292 states and 81063 transitions. [2022-10-16 16:31:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:06,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:31:06,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:06,592 INFO L225 Difference]: With dead ends: 53292 [2022-10-16 16:31:06,593 INFO L226 Difference]: Without dead ends: 36390 [2022-10-16 16:31:06,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:06,615 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1470 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:06,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1470 Valid, 1152 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:06,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36390 states. [2022-10-16 16:31:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36390 to 35643. [2022-10-16 16:31:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35643 states, 35622 states have (on average 1.5272022907192184) internal successors, (54402), 35642 states have internal predecessors, (54402), 0 states have call successors, (0), 0 states 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 16:31:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35643 states to 35643 states and 54402 transitions. [2022-10-16 16:31:09,519 INFO L78 Accepts]: Start accepts. Automaton has 35643 states and 54402 transitions. Word has length 99 [2022-10-16 16:31:09,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:09,519 INFO L495 AbstractCegarLoop]: Abstraction has 35643 states and 54402 transitions. [2022-10-16 16:31:09,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:09,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35643 states and 54402 transitions. [2022-10-16 16:31:09,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:31:09,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:09,521 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] [2022-10-16 16:31:09,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:31:09,522 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:09,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:09,522 INFO L85 PathProgramCache]: Analyzing trace with hash -741813691, now seen corresponding path program 1 times [2022-10-16 16:31:09,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:09,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438275132] [2022-10-16 16:31:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:09,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:09,689 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 16:31:09,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:09,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438275132] [2022-10-16 16:31:09,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438275132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:09,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:09,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:09,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970494696] [2022-10-16 16:31:09,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:09,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:09,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:09,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:09,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:09,692 INFO L87 Difference]: Start difference. First operand 35643 states and 54402 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:13,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:13,243 INFO L93 Difference]: Finished difference Result 44931 states and 68473 transitions. [2022-10-16 16:31:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:13,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:31:13,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:13,304 INFO L225 Difference]: With dead ends: 44931 [2022-10-16 16:31:13,304 INFO L226 Difference]: Without dead ends: 44928 [2022-10-16 16:31:13,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:13,315 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 951 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:13,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 760 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:31:13,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44928 states. [2022-10-16 16:31:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44928 to 43875. [2022-10-16 16:31:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43875 states, 43854 states have (on average 1.5254480777124093) internal successors, (66897), 43874 states have internal predecessors, (66897), 0 states have call successors, (0), 0 states 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 16:31:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43875 states to 43875 states and 66897 transitions. [2022-10-16 16:31:17,142 INFO L78 Accepts]: Start accepts. Automaton has 43875 states and 66897 transitions. Word has length 99 [2022-10-16 16:31:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:17,142 INFO L495 AbstractCegarLoop]: Abstraction has 43875 states and 66897 transitions. [2022-10-16 16:31:17,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 43875 states and 66897 transitions. [2022-10-16 16:31:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:31:17,144 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:17,144 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] [2022-10-16 16:31:17,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:31:17,144 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:17,146 INFO L85 PathProgramCache]: Analyzing trace with hash 839695704, now seen corresponding path program 1 times [2022-10-16 16:31:17,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:17,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917275549] [2022-10-16 16:31:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:17,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:17,315 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 16:31:17,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:17,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917275549] [2022-10-16 16:31:17,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917275549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:17,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:17,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:17,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121926561] [2022-10-16 16:31:17,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:17,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:17,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:17,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:17,318 INFO L87 Difference]: Start difference. First operand 43875 states and 66897 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:21,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:21,633 INFO L93 Difference]: Finished difference Result 82021 states and 125318 transitions. [2022-10-16 16:31:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:21,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:31:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:21,698 INFO L225 Difference]: With dead ends: 82021 [2022-10-16 16:31:21,699 INFO L226 Difference]: Without dead ends: 48820 [2022-10-16 16:31:21,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:21,733 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1462 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:21,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 1178 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:31:21,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48820 states. [2022-10-16 16:31:25,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48820 to 48076. [2022-10-16 16:31:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48076 states, 48055 states have (on average 1.5247320778274893) internal successors, (73271), 48075 states have internal predecessors, (73271), 0 states have call successors, (0), 0 states 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 16:31:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48076 states to 48076 states and 73271 transitions. [2022-10-16 16:31:26,115 INFO L78 Accepts]: Start accepts. Automaton has 48076 states and 73271 transitions. Word has length 99 [2022-10-16 16:31:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:26,115 INFO L495 AbstractCegarLoop]: Abstraction has 48076 states and 73271 transitions. [2022-10-16 16:31:26,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 48076 states and 73271 transitions. [2022-10-16 16:31:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:31:26,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:26,116 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] [2022-10-16 16:31:26,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:31:26,117 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:26,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:26,117 INFO L85 PathProgramCache]: Analyzing trace with hash 294879520, now seen corresponding path program 1 times [2022-10-16 16:31:26,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:26,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333823417] [2022-10-16 16:31:26,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:26,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:26,265 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 16:31:26,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:26,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333823417] [2022-10-16 16:31:26,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333823417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:26,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:26,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:26,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140569769] [2022-10-16 16:31:26,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:26,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:26,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:26,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:26,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:26,267 INFO L87 Difference]: Start difference. First operand 48076 states and 73271 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:30,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:30,864 INFO L93 Difference]: Finished difference Result 93509 states and 142640 transitions. [2022-10-16 16:31:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:30,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:31:30,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:30,944 INFO L225 Difference]: With dead ends: 93509 [2022-10-16 16:31:30,944 INFO L226 Difference]: Without dead ends: 52076 [2022-10-16 16:31:30,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:30,979 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 1537 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:30,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1019 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:31,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52076 states. [2022-10-16 16:31:35,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52076 to 51437. [2022-10-16 16:31:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51437 states, 51416 states have (on average 1.524019760385872) internal successors, (78359), 51436 states have internal predecessors, (78359), 0 states have call successors, (0), 0 states 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 16:31:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51437 states to 51437 states and 78359 transitions. [2022-10-16 16:31:35,721 INFO L78 Accepts]: Start accepts. Automaton has 51437 states and 78359 transitions. Word has length 99 [2022-10-16 16:31:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:35,722 INFO L495 AbstractCegarLoop]: Abstraction has 51437 states and 78359 transitions. [2022-10-16 16:31:35,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 51437 states and 78359 transitions. [2022-10-16 16:31:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:31:35,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:35,724 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] [2022-10-16 16:31:35,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:31:35,725 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:35,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:35,725 INFO L85 PathProgramCache]: Analyzing trace with hash -60584724, now seen corresponding path program 1 times [2022-10-16 16:31:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:35,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164914750] [2022-10-16 16:31:35,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:35,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:35,881 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 16:31:35,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:35,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164914750] [2022-10-16 16:31:35,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164914750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:35,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:35,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:35,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302876675] [2022-10-16 16:31:35,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:35,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:35,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:35,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:35,884 INFO L87 Difference]: Start difference. First operand 51437 states and 78359 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:40,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:40,763 INFO L93 Difference]: Finished difference Result 101905 states and 155294 transitions. [2022-10-16 16:31:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:31:40,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2022-10-16 16:31:40,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:40,848 INFO L225 Difference]: With dead ends: 101905 [2022-10-16 16:31:40,848 INFO L226 Difference]: Without dead ends: 53752 [2022-10-16 16:31:40,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:31:40,887 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 1538 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:40,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 1015 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:41,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53752 states. [2022-10-16 16:31:45,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53752 to 53203. [2022-10-16 16:31:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53203 states, 53182 states have (on average 1.5230341092850965) internal successors, (80998), 53202 states have internal predecessors, (80998), 0 states have call successors, (0), 0 states 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 16:31:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53203 states to 53203 states and 80998 transitions. [2022-10-16 16:31:45,828 INFO L78 Accepts]: Start accepts. Automaton has 53203 states and 80998 transitions. Word has length 99 [2022-10-16 16:31:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:45,829 INFO L495 AbstractCegarLoop]: Abstraction has 53203 states and 80998 transitions. [2022-10-16 16:31:45,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 53203 states and 80998 transitions. [2022-10-16 16:31:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:31:45,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:45,830 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] [2022-10-16 16:31:45,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:31:45,830 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1387721850, now seen corresponding path program 1 times [2022-10-16 16:31:45,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:45,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908244250] [2022-10-16 16:31:45,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:45,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:45,980 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 16:31:45,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:45,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908244250] [2022-10-16 16:31:45,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908244250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:45,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:46,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:46,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885602503] [2022-10-16 16:31:46,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:46,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:46,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:46,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:46,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:46,116 INFO L87 Difference]: Start difference. First operand 53203 states and 80998 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:50,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:50,552 INFO L93 Difference]: Finished difference Result 56794 states and 86505 transitions. [2022-10-16 16:31:50,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:50,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:31:50,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:50,635 INFO L225 Difference]: With dead ends: 56794 [2022-10-16 16:31:50,636 INFO L226 Difference]: Without dead ends: 56791 [2022-10-16 16:31:50,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:50,648 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 659 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:50,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 1389 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:31:50,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56791 states. [2022-10-16 16:31:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56791 to 56731. [2022-10-16 16:31:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56731 states, 56710 states have (on average 1.5242814318462352) internal successors, (86442), 56730 states have internal predecessors, (86442), 0 states have call successors, (0), 0 states 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 16:31:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56731 states to 56731 states and 86442 transitions. [2022-10-16 16:31:55,647 INFO L78 Accepts]: Start accepts. Automaton has 56731 states and 86442 transitions. Word has length 100 [2022-10-16 16:31:55,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:55,647 INFO L495 AbstractCegarLoop]: Abstraction has 56731 states and 86442 transitions. [2022-10-16 16:31:55,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:55,648 INFO L276 IsEmpty]: Start isEmpty. Operand 56731 states and 86442 transitions. [2022-10-16 16:31:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:31:55,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:55,649 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] [2022-10-16 16:31:55,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:31:55,649 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:31:55,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1747850357, now seen corresponding path program 1 times [2022-10-16 16:31:55,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:55,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334806293] [2022-10-16 16:31:55,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:55,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:55,798 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 16:31:55,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:55,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334806293] [2022-10-16 16:31:55,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334806293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:55,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:55,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688076917] [2022-10-16 16:31:55,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:55,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:55,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:55,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:55,800 INFO L87 Difference]: Start difference. First operand 56731 states and 86442 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:00,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:00,849 INFO L93 Difference]: Finished difference Result 60077 states and 91349 transitions. [2022-10-16 16:32:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:00,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:32:00,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:00,935 INFO L225 Difference]: With dead ends: 60077 [2022-10-16 16:32:00,935 INFO L226 Difference]: Without dead ends: 60074 [2022-10-16 16:32:00,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:00,949 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 1407 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:00,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 1256 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:32:00,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60074 states. [2022-10-16 16:32:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60074 to 57488. [2022-10-16 16:32:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57488 states, 57467 states have (on average 1.5239528773034958) internal successors, (87577), 57487 states have internal predecessors, (87577), 0 states have call successors, (0), 0 states 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 16:32:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57488 states to 57488 states and 87577 transitions. [2022-10-16 16:32:05,808 INFO L78 Accepts]: Start accepts. Automaton has 57488 states and 87577 transitions. Word has length 100 [2022-10-16 16:32:05,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:05,809 INFO L495 AbstractCegarLoop]: Abstraction has 57488 states and 87577 transitions. [2022-10-16 16:32:05,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 57488 states and 87577 transitions. [2022-10-16 16:32:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:32:05,810 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:05,810 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] [2022-10-16 16:32:05,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:32:05,810 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:32:05,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:05,811 INFO L85 PathProgramCache]: Analyzing trace with hash 378231854, now seen corresponding path program 1 times [2022-10-16 16:32:05,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:05,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327357561] [2022-10-16 16:32:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:05,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:05,960 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 16:32:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:05,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327357561] [2022-10-16 16:32:05,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327357561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:05,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:05,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:05,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144507977] [2022-10-16 16:32:05,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:05,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:05,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:05,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:05,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:05,962 INFO L87 Difference]: Start difference. First operand 57488 states and 87577 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:11,143 INFO L93 Difference]: Finished difference Result 60812 states and 92465 transitions. [2022-10-16 16:32:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:11,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:32:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:11,231 INFO L225 Difference]: With dead ends: 60812 [2022-10-16 16:32:11,231 INFO L226 Difference]: Without dead ends: 60809 [2022-10-16 16:32:11,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:11,241 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 631 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:11,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 1394 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:32:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60809 states. [2022-10-16 16:32:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60809 to 60764. [2022-10-16 16:32:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60764 states, 60743 states have (on average 1.5207513622968902) internal successors, (92375), 60763 states have internal predecessors, (92375), 0 states have call successors, (0), 0 states 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 16:32:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60764 states to 60764 states and 92375 transitions. [2022-10-16 16:32:16,568 INFO L78 Accepts]: Start accepts. Automaton has 60764 states and 92375 transitions. Word has length 100 [2022-10-16 16:32:16,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:16,568 INFO L495 AbstractCegarLoop]: Abstraction has 60764 states and 92375 transitions. [2022-10-16 16:32:16,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 60764 states and 92375 transitions. [2022-10-16 16:32:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:32:16,569 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:16,569 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] [2022-10-16 16:32:16,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:32:16,569 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:32:16,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:16,570 INFO L85 PathProgramCache]: Analyzing trace with hash 2113900227, now seen corresponding path program 1 times [2022-10-16 16:32:16,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:16,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890603875] [2022-10-16 16:32:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:16,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:16,716 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 16:32:16,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:16,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890603875] [2022-10-16 16:32:16,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890603875] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:16,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:16,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:16,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168662872] [2022-10-16 16:32:16,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:16,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:16,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:16,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:16,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:16,718 INFO L87 Difference]: Start difference. First operand 60764 states and 92375 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:21,845 INFO L93 Difference]: Finished difference Result 61572 states and 93504 transitions. [2022-10-16 16:32:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:32:21,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:21,933 INFO L225 Difference]: With dead ends: 61572 [2022-10-16 16:32:21,933 INFO L226 Difference]: Without dead ends: 61569 [2022-10-16 16:32:21,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:21,945 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 1398 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:21,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 1199 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:21,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61569 states. [2022-10-16 16:32:27,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61569 to 61521. [2022-10-16 16:32:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61521 states, 61500 states have (on average 1.5201951219512195) internal successors, (93492), 61520 states have internal predecessors, (93492), 0 states have call successors, (0), 0 states 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 16:32:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61521 states to 61521 states and 93492 transitions. [2022-10-16 16:32:27,339 INFO L78 Accepts]: Start accepts. Automaton has 61521 states and 93492 transitions. Word has length 100 [2022-10-16 16:32:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:27,339 INFO L495 AbstractCegarLoop]: Abstraction has 61521 states and 93492 transitions. [2022-10-16 16:32:27,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 61521 states and 93492 transitions. [2022-10-16 16:32:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:32:27,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:27,340 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] [2022-10-16 16:32:27,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:32:27,341 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:32:27,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:27,341 INFO L85 PathProgramCache]: Analyzing trace with hash -54984858, now seen corresponding path program 1 times [2022-10-16 16:32:27,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:27,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949903792] [2022-10-16 16:32:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:27,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:27,496 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 16:32:27,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:27,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949903792] [2022-10-16 16:32:27,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949903792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:27,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:27,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:27,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305619890] [2022-10-16 16:32:27,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:27,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:27,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:27,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:27,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:27,499 INFO L87 Difference]: Start difference. First operand 61521 states and 93492 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:32,639 INFO L93 Difference]: Finished difference Result 62319 states and 94620 transitions. [2022-10-16 16:32:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:32:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:32,787 INFO L225 Difference]: With dead ends: 62319 [2022-10-16 16:32:32,787 INFO L226 Difference]: Without dead ends: 62316 [2022-10-16 16:32:32,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:32,808 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 591 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:32,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1169 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:32,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62316 states. [2022-10-16 16:32:38,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62316 to 62277. [2022-10-16 16:32:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62277 states, 62256 states have (on average 1.5182151117964533) internal successors, (94518), 62276 states have internal predecessors, (94518), 0 states have call successors, (0), 0 states 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 16:32:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62277 states to 62277 states and 94518 transitions. [2022-10-16 16:32:38,489 INFO L78 Accepts]: Start accepts. Automaton has 62277 states and 94518 transitions. Word has length 100 [2022-10-16 16:32:38,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:38,489 INFO L495 AbstractCegarLoop]: Abstraction has 62277 states and 94518 transitions. [2022-10-16 16:32:38,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 62277 states and 94518 transitions. [2022-10-16 16:32:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 16:32:38,490 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:38,490 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] [2022-10-16 16:32:38,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:32:38,491 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 16:32:38,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1527648215, now seen corresponding path program 1 times [2022-10-16 16:32:38,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:38,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885904973] [2022-10-16 16:32:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:38,638 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 16:32:38,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:38,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885904973] [2022-10-16 16:32:38,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885904973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:38,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:38,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:38,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665138800] [2022-10-16 16:32:38,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:38,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:38,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:38,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:38,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:38,641 INFO L87 Difference]: Start difference. First operand 62277 states and 94518 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:43,766 INFO L93 Difference]: Finished difference Result 62391 states and 94640 transitions. [2022-10-16 16:32:43,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:43,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-10-16 16:32:43,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:43,865 INFO L225 Difference]: With dead ends: 62391 [2022-10-16 16:32:43,865 INFO L226 Difference]: Without dead ends: 62388 [2022-10-16 16:32:43,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:43,879 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1225 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:43,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1305 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:32:43,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62388 states.