/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.7.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:35:20,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:35:20,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:35:20,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:35:20,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:35:20,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:35:20,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:35:20,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:35:20,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:35:20,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:35:20,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:35:20,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:35:20,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:35:20,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:35:20,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:35:20,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:35:20,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:35:20,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:35:20,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:35:20,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:35:20,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:35:20,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:35:20,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:35:20,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:35:20,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:35:20,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:35:20,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:35:20,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:35:20,457 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 16:35:20,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:35:20,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:35:20,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:35:20,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:35:20,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:35:20,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:35:20,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:35:20,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:35:20,520 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:35:20,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:35:20,521 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:35:20,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:35:20,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:35:20,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:35:20,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:35:20,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:35:20,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:35:20,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:35:20,523 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:35:20,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:35:20,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:35:20,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:35:20,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:35:20,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:35:20,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:35:20,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:35:20,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:35:20,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:35:20,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:35:20,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:35:20,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:35:20,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:35:20,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:35:20,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:35:20,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:35:20,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:35:20,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:35:20,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:35:20,986 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:35:20,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:35:21,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3219b759d/71d1677bdee74fb3a27dace22e02c0c1/FLAG9578cbd7e [2022-10-16 16:35:21,759 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:35:21,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:35:21,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3219b759d/71d1677bdee74fb3a27dace22e02c0c1/FLAG9578cbd7e [2022-10-16 16:35:21,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3219b759d/71d1677bdee74fb3a27dace22e02c0c1 [2022-10-16 16:35:21,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:35:21,814 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:35:21,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:35:21,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:35:21,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:35:21,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:35:21" (1/1) ... [2022-10-16 16:35:21,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3f3669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:21, skipping insertion in model container [2022-10-16 16:35:21,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:35:21" (1/1) ... [2022-10-16 16:35:21,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:35:21,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:35:22,212 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.7.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7669,7682] [2022-10-16 16:35:22,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:35:22,326 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:35:22,399 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.7.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[7669,7682] [2022-10-16 16:35:22,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:35:22,446 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:35:22,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22 WrapperNode [2022-10-16 16:35:22,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:35:22,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:35:22,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:35:22,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:35:22,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,522 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 611 [2022-10-16 16:35:22,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:35:22,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:35:22,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:35:22,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:35:22,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:35:22,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:35:22,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:35:22,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:35:22,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (1/1) ... [2022-10-16 16:35:22,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:35:22,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:35:22,698 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 16:35:22,720 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 16:35:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:35:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:35:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:35:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:35:22,940 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:35:22,942 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:35:23,749 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:35:23,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:35:23,760 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:35:23,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:35:23 BoogieIcfgContainer [2022-10-16 16:35:23,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:35:23,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:35:23,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:35:23,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:35:23,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:35:21" (1/3) ... [2022-10-16 16:35:23,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c154197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:35:23, skipping insertion in model container [2022-10-16 16:35:23,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:35:22" (2/3) ... [2022-10-16 16:35:23,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c154197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:35:23, skipping insertion in model container [2022-10-16 16:35:23,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:35:23" (3/3) ... [2022-10-16 16:35:23,774 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:35:23,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:35:23,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-16 16:35:23,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:35:23,870 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;@35bbb153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:35:23,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-16 16:35:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 172 states have (on average 1.802325581395349) internal successors, (310), 210 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:35:23,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:23,888 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 16:35:23,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:23,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:23,895 INFO L85 PathProgramCache]: Analyzing trace with hash 346865202, now seen corresponding path program 1 times [2022-10-16 16:35:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:23,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008750718] [2022-10-16 16:35:23,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:23,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:24,327 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 16:35:24,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:24,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008750718] [2022-10-16 16:35:24,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008750718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:24,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:24,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:35:24,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456414931] [2022-10-16 16:35:24,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:24,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:35:24,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:24,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:35:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:35:24,381 INFO L87 Difference]: Start difference. First operand has 211 states, 172 states have (on average 1.802325581395349) internal successors, (310), 210 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 57.0) internal successors, (57), 2 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 16:35:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:24,422 INFO L93 Difference]: Finished difference Result 214 states and 312 transitions. [2022-10-16 16:35:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:35:24,425 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 57.0) internal successors, (57), 2 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 16:35:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:24,440 INFO L225 Difference]: With dead ends: 214 [2022-10-16 16:35:24,440 INFO L226 Difference]: Without dead ends: 206 [2022-10-16 16:35:24,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:35:24,449 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:24,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:24,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-10-16 16:35:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2022-10-16 16:35:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 170 states have (on average 1.4941176470588236) internal successors, (254), 205 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 254 transitions. [2022-10-16 16:35:24,512 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 254 transitions. Word has length 57 [2022-10-16 16:35:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:24,513 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 254 transitions. [2022-10-16 16:35:24,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 57.0) internal successors, (57), 2 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 16:35:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 254 transitions. [2022-10-16 16:35:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:35:24,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:24,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:24,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:35:24,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:24,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:24,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1447862597, now seen corresponding path program 1 times [2022-10-16 16:35:24,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:24,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577465697] [2022-10-16 16:35:24,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:24,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:24,864 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 16:35:24,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:24,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577465697] [2022-10-16 16:35:24,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577465697] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:24,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:24,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:24,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421575100] [2022-10-16 16:35:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:24,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:24,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:24,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:24,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:24,873 INFO L87 Difference]: Start difference. First operand 206 states and 254 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:24,942 INFO L93 Difference]: Finished difference Result 504 states and 643 transitions. [2022-10-16 16:35:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:24,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 16:35:24,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:24,951 INFO L225 Difference]: With dead ends: 504 [2022-10-16 16:35:24,951 INFO L226 Difference]: Without dead ends: 351 [2022-10-16 16:35:24,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:24,955 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 186 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:24,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 618 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:24,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-10-16 16:35:25,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 315. [2022-10-16 16:35:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 279 states have (on average 1.5806451612903225) internal successors, (441), 314 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 441 transitions. [2022-10-16 16:35:25,010 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 441 transitions. Word has length 84 [2022-10-16 16:35:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:25,011 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 441 transitions. [2022-10-16 16:35:25,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 441 transitions. [2022-10-16 16:35:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:35:25,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:25,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:25,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:35:25,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:25,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash -549783411, now seen corresponding path program 1 times [2022-10-16 16:35:25,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:25,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961302093] [2022-10-16 16:35:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:25,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:25,221 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 16:35:25,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:25,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961302093] [2022-10-16 16:35:25,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961302093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:25,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:25,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:25,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038525380] [2022-10-16 16:35:25,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:25,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:25,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:25,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:25,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:25,225 INFO L87 Difference]: Start difference. First operand 315 states and 441 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:25,294 INFO L93 Difference]: Finished difference Result 823 states and 1191 transitions. [2022-10-16 16:35:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:25,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:35:25,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:25,299 INFO L225 Difference]: With dead ends: 823 [2022-10-16 16:35:25,299 INFO L226 Difference]: Without dead ends: 561 [2022-10-16 16:35:25,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:25,308 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 181 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:25,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 614 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-10-16 16:35:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 525. [2022-10-16 16:35:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 489 states have (on average 1.638036809815951) internal successors, (801), 524 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 801 transitions. [2022-10-16 16:35:25,369 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 801 transitions. Word has length 85 [2022-10-16 16:35:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:25,372 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 801 transitions. [2022-10-16 16:35:25,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 801 transitions. [2022-10-16 16:35:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:35:25,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:25,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:25,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:35:25,381 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:25,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:25,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1809123045, now seen corresponding path program 1 times [2022-10-16 16:35:25,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:25,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707382852] [2022-10-16 16:35:25,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:25,618 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 16:35:25,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:25,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707382852] [2022-10-16 16:35:25,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707382852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:25,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:25,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603070819] [2022-10-16 16:35:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:25,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:25,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:25,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:25,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:25,622 INFO L87 Difference]: Start difference. First operand 525 states and 801 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:25,721 INFO L93 Difference]: Finished difference Result 1437 states and 2245 transitions. [2022-10-16 16:35:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:25,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:35:25,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:25,735 INFO L225 Difference]: With dead ends: 1437 [2022-10-16 16:35:25,735 INFO L226 Difference]: Without dead ends: 965 [2022-10-16 16:35:25,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:25,744 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 176 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:25,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 610 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2022-10-16 16:35:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 929. [2022-10-16 16:35:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 893 states have (on average 1.6718924972004479) internal successors, (1493), 928 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1493 transitions. [2022-10-16 16:35:25,816 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1493 transitions. Word has length 86 [2022-10-16 16:35:25,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:25,817 INFO L495 AbstractCegarLoop]: Abstraction has 929 states and 1493 transitions. [2022-10-16 16:35:25,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1493 transitions. [2022-10-16 16:35:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:35:25,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:25,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:25,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:35:25,825 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash 565650529, now seen corresponding path program 1 times [2022-10-16 16:35:25,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:25,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685594452] [2022-10-16 16:35:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:25,991 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 16:35:25,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:25,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685594452] [2022-10-16 16:35:25,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685594452] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:25,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:25,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:25,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597884526] [2022-10-16 16:35:25,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:25,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:25,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:25,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:25,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:25,994 INFO L87 Difference]: Start difference. First operand 929 states and 1493 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:26,115 INFO L93 Difference]: Finished difference Result 2617 states and 4269 transitions. [2022-10-16 16:35:26,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:26,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:35:26,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:26,126 INFO L225 Difference]: With dead ends: 2617 [2022-10-16 16:35:26,127 INFO L226 Difference]: Without dead ends: 1741 [2022-10-16 16:35:26,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:26,130 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 171 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:26,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 606 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2022-10-16 16:35:26,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1705. [2022-10-16 16:35:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1669 states have (on average 1.6902336728579987) internal successors, (2821), 1704 states have internal predecessors, (2821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2821 transitions. [2022-10-16 16:35:26,279 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2821 transitions. Word has length 87 [2022-10-16 16:35:26,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:26,281 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 2821 transitions. [2022-10-16 16:35:26,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2821 transitions. [2022-10-16 16:35:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:35:26,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:26,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:26,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:35:26,287 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash 297688631, now seen corresponding path program 1 times [2022-10-16 16:35:26,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:26,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429902238] [2022-10-16 16:35:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:26,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:26,498 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 16:35:26,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:26,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429902238] [2022-10-16 16:35:26,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429902238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:26,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:26,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634494438] [2022-10-16 16:35:26,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:26,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:26,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:26,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:26,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:26,502 INFO L87 Difference]: Start difference. First operand 1705 states and 2821 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:26,797 INFO L93 Difference]: Finished difference Result 4881 states and 8149 transitions. [2022-10-16 16:35:26,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:26,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:35:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:26,816 INFO L225 Difference]: With dead ends: 4881 [2022-10-16 16:35:26,817 INFO L226 Difference]: Without dead ends: 3229 [2022-10-16 16:35:26,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:26,827 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 166 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:26,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 602 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:26,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3229 states. [2022-10-16 16:35:27,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3229 to 3193. [2022-10-16 16:35:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3193 states, 3157 states have (on average 1.699398162812797) internal successors, (5365), 3192 states have internal predecessors, (5365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 3193 states and 5365 transitions. [2022-10-16 16:35:27,138 INFO L78 Accepts]: Start accepts. Automaton has 3193 states and 5365 transitions. Word has length 88 [2022-10-16 16:35:27,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:27,138 INFO L495 AbstractCegarLoop]: Abstraction has 3193 states and 5365 transitions. [2022-10-16 16:35:27,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 5365 transitions. [2022-10-16 16:35:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:35:27,140 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:27,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:27,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:35:27,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:27,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:27,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1260210211, now seen corresponding path program 1 times [2022-10-16 16:35:27,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:27,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723184114] [2022-10-16 16:35:27,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:27,298 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 16:35:27,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:27,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723184114] [2022-10-16 16:35:27,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723184114] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:27,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:27,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:27,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003165930] [2022-10-16 16:35:27,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:27,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:27,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:27,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:27,302 INFO L87 Difference]: Start difference. First operand 3193 states and 5365 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:27,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:27,914 INFO L93 Difference]: Finished difference Result 9217 states and 15573 transitions. [2022-10-16 16:35:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:27,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 16:35:27,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:27,953 INFO L225 Difference]: With dead ends: 9217 [2022-10-16 16:35:27,953 INFO L226 Difference]: Without dead ends: 6077 [2022-10-16 16:35:27,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:27,960 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 161 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:27,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 598 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6077 states. [2022-10-16 16:35:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6077 to 6041. [2022-10-16 16:35:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6041 states, 6005 states have (on average 1.703413821815154) internal successors, (10229), 6040 states have internal predecessors, (10229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6041 states to 6041 states and 10229 transitions. [2022-10-16 16:35:28,571 INFO L78 Accepts]: Start accepts. Automaton has 6041 states and 10229 transitions. Word has length 89 [2022-10-16 16:35:28,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:28,571 INFO L495 AbstractCegarLoop]: Abstraction has 6041 states and 10229 transitions. [2022-10-16 16:35:28,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 6041 states and 10229 transitions. [2022-10-16 16:35:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:35:28,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:28,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:28,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:35:28,573 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1080736591, now seen corresponding path program 1 times [2022-10-16 16:35:28,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:28,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282794975] [2022-10-16 16:35:28,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:28,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:28,718 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 16:35:28,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:28,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282794975] [2022-10-16 16:35:28,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282794975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:28,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:28,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:28,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011117872] [2022-10-16 16:35:28,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:28,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:28,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:28,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:28,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:28,720 INFO L87 Difference]: Start difference. First operand 6041 states and 10229 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:30,306 INFO L93 Difference]: Finished difference Result 18014 states and 30581 transitions. [2022-10-16 16:35:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:35:30,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:35:30,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:30,409 INFO L225 Difference]: With dead ends: 18014 [2022-10-16 16:35:30,410 INFO L226 Difference]: Without dead ends: 18011 [2022-10-16 16:35:30,416 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 16:35:30,418 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 602 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:30,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 509 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18011 states. [2022-10-16 16:35:31,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18011 to 11993. [2022-10-16 16:35:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11993 states, 11957 states have (on average 1.6904741992138497) internal successors, (20213), 11992 states have internal predecessors, (20213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11993 states to 11993 states and 20213 transitions. [2022-10-16 16:35:31,580 INFO L78 Accepts]: Start accepts. Automaton has 11993 states and 20213 transitions. Word has length 90 [2022-10-16 16:35:31,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:31,580 INFO L495 AbstractCegarLoop]: Abstraction has 11993 states and 20213 transitions. [2022-10-16 16:35:31,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 11993 states and 20213 transitions. [2022-10-16 16:35:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:35:31,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:31,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:35:31,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:35:31,583 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:31,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:31,583 INFO L85 PathProgramCache]: Analyzing trace with hash 856904337, now seen corresponding path program 1 times [2022-10-16 16:35:31,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:31,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448140228] [2022-10-16 16:35:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:31,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:31,814 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 16:35:31,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:31,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448140228] [2022-10-16 16:35:31,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448140228] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:31,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:31,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:31,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458082633] [2022-10-16 16:35:31,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:31,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:35:31,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:31,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:35:31,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:35:31,818 INFO L87 Difference]: Start difference. First operand 11993 states and 20213 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:33,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:33,172 INFO L93 Difference]: Finished difference Result 17978 states and 30389 transitions. [2022-10-16 16:35:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:35:33,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:35:33,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:33,223 INFO L225 Difference]: With dead ends: 17978 [2022-10-16 16:35:33,223 INFO L226 Difference]: Without dead ends: 17975 [2022-10-16 16:35:33,229 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 16:35:33,230 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 595 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:33,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 304 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:35:33,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17975 states. [2022-10-16 16:35:34,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17975 to 17945. [2022-10-16 16:35:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17945 states, 17909 states have (on average 1.6754145960131777) internal successors, (30005), 17944 states have internal predecessors, (30005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17945 states to 17945 states and 30005 transitions. [2022-10-16 16:35:34,620 INFO L78 Accepts]: Start accepts. Automaton has 17945 states and 30005 transitions. Word has length 91 [2022-10-16 16:35:34,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:34,621 INFO L495 AbstractCegarLoop]: Abstraction has 17945 states and 30005 transitions. [2022-10-16 16:35:34,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:34,622 INFO L276 IsEmpty]: Start isEmpty. Operand 17945 states and 30005 transitions. [2022-10-16 16:35:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:35:34,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:34,623 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 16:35:34,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:35:34,624 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:34,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash 794230963, now seen corresponding path program 1 times [2022-10-16 16:35:34,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:34,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369915783] [2022-10-16 16:35:34,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:34,778 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 16:35:34,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:34,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369915783] [2022-10-16 16:35:34,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369915783] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:34,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:34,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:34,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463073608] [2022-10-16 16:35:34,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:34,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:34,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:34,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:34,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:34,781 INFO L87 Difference]: Start difference. First operand 17945 states and 30005 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:36,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:36,855 INFO L93 Difference]: Finished difference Result 29939 states and 49781 transitions. [2022-10-16 16:35:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:35:36,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:35:36,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:36,933 INFO L225 Difference]: With dead ends: 29939 [2022-10-16 16:35:36,933 INFO L226 Difference]: Without dead ends: 29936 [2022-10-16 16:35:36,944 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 16:35:36,945 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1015 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:36,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 837 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:35:36,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29936 states. [2022-10-16 16:35:38,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29936 to 23897. [2022-10-16 16:35:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23897 states, 23861 states have (on average 1.6598214659905284) internal successors, (39605), 23896 states have internal predecessors, (39605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23897 states to 23897 states and 39605 transitions. [2022-10-16 16:35:38,901 INFO L78 Accepts]: Start accepts. Automaton has 23897 states and 39605 transitions. Word has length 92 [2022-10-16 16:35:38,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:38,902 INFO L495 AbstractCegarLoop]: Abstraction has 23897 states and 39605 transitions. [2022-10-16 16:35:38,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 23897 states and 39605 transitions. [2022-10-16 16:35:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:35:38,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:38,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:38,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:35:38,904 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:38,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:38,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1148643629, now seen corresponding path program 1 times [2022-10-16 16:35:38,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:38,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308518768] [2022-10-16 16:35:38,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:38,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:39,051 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 16:35:39,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:39,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308518768] [2022-10-16 16:35:39,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308518768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:39,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:39,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:35:39,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474227553] [2022-10-16 16:35:39,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:39,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:35:39,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:39,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:35:39,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:35:39,053 INFO L87 Difference]: Start difference. First operand 23897 states and 39605 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 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 16:35:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:41,016 INFO L93 Difference]: Finished difference Result 29909 states and 49589 transitions. [2022-10-16 16:35:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:35:41,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 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 16:35:41,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:41,073 INFO L225 Difference]: With dead ends: 29909 [2022-10-16 16:35:41,073 INFO L226 Difference]: Without dead ends: 29906 [2022-10-16 16:35:41,082 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 16:35:41,083 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1045 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:41,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1045 Valid, 512 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:35:41,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29906 states. [2022-10-16 16:35:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29906 to 29849. [2022-10-16 16:35:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29849 states, 29813 states have (on average 1.644014356153356) internal successors, (49013), 29848 states have internal predecessors, (49013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29849 states to 29849 states and 49013 transitions. [2022-10-16 16:35:43,309 INFO L78 Accepts]: Start accepts. Automaton has 29849 states and 49013 transitions. Word has length 93 [2022-10-16 16:35:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:43,309 INFO L495 AbstractCegarLoop]: Abstraction has 29849 states and 49013 transitions. [2022-10-16 16:35:43,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 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 16:35:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 29849 states and 49013 transitions. [2022-10-16 16:35:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:35:43,311 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:43,311 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 16:35:43,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:35:43,312 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:43,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1210943090, now seen corresponding path program 1 times [2022-10-16 16:35:43,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:43,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051857102] [2022-10-16 16:35:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:43,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:43,399 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 16:35:43,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:43,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051857102] [2022-10-16 16:35:43,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051857102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:43,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:43,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:35:43,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356002133] [2022-10-16 16:35:43,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:43,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:35:43,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:43,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:35:43,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:43,403 INFO L87 Difference]: Start difference. First operand 29849 states and 49013 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:46,803 INFO L93 Difference]: Finished difference Result 85921 states and 141493 transitions. [2022-10-16 16:35:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:35:46,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:35:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:46,916 INFO L225 Difference]: With dead ends: 85921 [2022-10-16 16:35:46,917 INFO L226 Difference]: Without dead ends: 56125 [2022-10-16 16:35:46,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:35:46,969 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 187 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:46,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 627 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:35:47,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56125 states. [2022-10-16 16:35:50,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56125 to 56089. [2022-10-16 16:35:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56089 states, 56053 states have (on average 1.6451037411021712) internal successors, (92213), 56088 states have internal predecessors, (92213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56089 states to 56089 states and 92213 transitions. [2022-10-16 16:35:50,857 INFO L78 Accepts]: Start accepts. Automaton has 56089 states and 92213 transitions. Word has length 94 [2022-10-16 16:35:50,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:35:50,857 INFO L495 AbstractCegarLoop]: Abstraction has 56089 states and 92213 transitions. [2022-10-16 16:35:50,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 56089 states and 92213 transitions. [2022-10-16 16:35:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:35:50,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:35:50,859 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 16:35:50,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:35:50,859 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:35:50,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:35:50,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1248213835, now seen corresponding path program 1 times [2022-10-16 16:35:50,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:35:50,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694771580] [2022-10-16 16:35:50,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:35:50,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:35:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:35:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:35:51,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:35:51,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694771580] [2022-10-16 16:35:51,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694771580] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:35:51,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:35:51,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:35:51,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33596749] [2022-10-16 16:35:51,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:35:51,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:35:51,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:35:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:35:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:35:51,264 INFO L87 Difference]: Start difference. First operand 56089 states and 92213 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:35:57,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:35:57,228 INFO L93 Difference]: Finished difference Result 89794 states and 147125 transitions. [2022-10-16 16:35:57,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:35:57,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:35:57,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:35:57,387 INFO L225 Difference]: With dead ends: 89794 [2022-10-16 16:35:57,387 INFO L226 Difference]: Without dead ends: 89791 [2022-10-16 16:35:57,408 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 16:35:57,409 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1404 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:35:57,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 1072 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:35:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89791 states. [2022-10-16 16:36:02,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89791 to 67289. [2022-10-16 16:36:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67289 states, 67253 states have (on average 1.6280760709559425) internal successors, (109493), 67288 states have internal predecessors, (109493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67289 states to 67289 states and 109493 transitions. [2022-10-16 16:36:02,215 INFO L78 Accepts]: Start accepts. Automaton has 67289 states and 109493 transitions. Word has length 94 [2022-10-16 16:36:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:02,215 INFO L495 AbstractCegarLoop]: Abstraction has 67289 states and 109493 transitions. [2022-10-16 16:36:02,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 67289 states and 109493 transitions. [2022-10-16 16:36:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:36:02,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:02,216 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 16:36:02,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:36:02,217 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:36:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:02,217 INFO L85 PathProgramCache]: Analyzing trace with hash -39922923, now seen corresponding path program 1 times [2022-10-16 16:36:02,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:02,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039399356] [2022-10-16 16:36:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:02,407 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 16:36:02,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:02,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039399356] [2022-10-16 16:36:02,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039399356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:02,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:02,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:36:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906266461] [2022-10-16 16:36:02,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:02,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:36:02,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:02,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:36:02,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:36:02,410 INFO L87 Difference]: Start difference. First operand 67289 states and 109493 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 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 16:36:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:08,415 INFO L93 Difference]: Finished difference Result 89773 states and 145973 transitions. [2022-10-16 16:36:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:36:08,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 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 16:36:08,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:08,675 INFO L225 Difference]: With dead ends: 89773 [2022-10-16 16:36:08,675 INFO L226 Difference]: Without dead ends: 89770 [2022-10-16 16:36:08,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:36:08,695 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1582 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:08,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 705 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:36:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89770 states. [2022-10-16 16:36:14,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89770 to 89689. [2022-10-16 16:36:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89689 states, 89653 states have (on average 1.6110671143185393) internal successors, (144437), 89688 states have internal predecessors, (144437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89689 states to 89689 states and 144437 transitions. [2022-10-16 16:36:14,977 INFO L78 Accepts]: Start accepts. Automaton has 89689 states and 144437 transitions. Word has length 95 [2022-10-16 16:36:14,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:14,977 INFO L495 AbstractCegarLoop]: Abstraction has 89689 states and 144437 transitions. [2022-10-16 16:36:14,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 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 16:36:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 89689 states and 144437 transitions. [2022-10-16 16:36:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:36:14,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:14,978 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 16:36:14,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:36:14,978 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:36:14,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:14,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1237610313, now seen corresponding path program 1 times [2022-10-16 16:36:14,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:14,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755653554] [2022-10-16 16:36:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:14,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:15,509 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 16:36:15,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:15,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755653554] [2022-10-16 16:36:15,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755653554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:15,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:15,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:15,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018715738] [2022-10-16 16:36:15,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:15,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:15,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:15,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:15,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:15,511 INFO L87 Difference]: Start difference. First operand 89689 states and 144437 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:24,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:24,137 INFO L93 Difference]: Finished difference Result 134603 states and 216629 transitions. [2022-10-16 16:36:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:36:24,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:36:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:24,366 INFO L225 Difference]: With dead ends: 134603 [2022-10-16 16:36:24,366 INFO L226 Difference]: Without dead ends: 134600 [2022-10-16 16:36:24,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:36:24,400 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1769 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:24,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 1555 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:36:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134600 states. [2022-10-16 16:36:31,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134600 to 100889. [2022-10-16 16:36:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100889 states, 100853 states have (on average 1.5958771677590156) internal successors, (160949), 100888 states have internal predecessors, (160949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100889 states to 100889 states and 160949 transitions. [2022-10-16 16:36:32,021 INFO L78 Accepts]: Start accepts. Automaton has 100889 states and 160949 transitions. Word has length 96 [2022-10-16 16:36:32,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:32,022 INFO L495 AbstractCegarLoop]: Abstraction has 100889 states and 160949 transitions. [2022-10-16 16:36:32,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 100889 states and 160949 transitions. [2022-10-16 16:36:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:36:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:32,023 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 16:36:32,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:36:32,023 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:36:32,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:32,024 INFO L85 PathProgramCache]: Analyzing trace with hash 288786263, now seen corresponding path program 1 times [2022-10-16 16:36:32,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:32,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40802325] [2022-10-16 16:36:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:32,494 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 16:36:32,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:32,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40802325] [2022-10-16 16:36:32,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40802325] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:32,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:32,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:36:32,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800041464] [2022-10-16 16:36:32,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:32,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:36:32,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:32,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:36:32,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:36:32,499 INFO L87 Difference]: Start difference. First operand 100889 states and 160949 transitions. Second operand has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 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 16:36:41,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:36:41,803 INFO L93 Difference]: Finished difference Result 134594 states and 213941 transitions. [2022-10-16 16:36:41,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:36:41,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 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 16:36:41,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:36:42,208 INFO L225 Difference]: With dead ends: 134594 [2022-10-16 16:36:42,208 INFO L226 Difference]: Without dead ends: 134591 [2022-10-16 16:36:42,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:36:42,245 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1955 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:36:42,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 1076 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:36:42,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134591 states. [2022-10-16 16:36:51,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134591 to 134489. [2022-10-16 16:36:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134489 states, 134453 states have (on average 1.5769153533204912) internal successors, (212021), 134488 states have internal predecessors, (212021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:36:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134489 states to 134489 states and 212021 transitions. [2022-10-16 16:36:52,676 INFO L78 Accepts]: Start accepts. Automaton has 134489 states and 212021 transitions. Word has length 97 [2022-10-16 16:36:52,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:36:52,676 INFO L495 AbstractCegarLoop]: Abstraction has 134489 states and 212021 transitions. [2022-10-16 16:36:52,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.166666666666668) internal successors, (97), 7 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 16:36:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 134489 states and 212021 transitions. [2022-10-16 16:36:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:36:52,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:36:52,677 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 16:36:52,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:36:52,678 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-16 16:36:52,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:36:52,678 INFO L85 PathProgramCache]: Analyzing trace with hash 362439865, now seen corresponding path program 1 times [2022-10-16 16:36:52,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:36:52,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901846314] [2022-10-16 16:36:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:36:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:36:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:36:52,879 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 16:36:52,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:36:52,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901846314] [2022-10-16 16:36:52,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901846314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:36:52,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:36:52,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:36:52,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913262772] [2022-10-16 16:36:52,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:36:52,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:36:52,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:36:52,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:36:52,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:36:52,885 INFO L87 Difference]: Start difference. First operand 134489 states and 212021 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:37:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:37:06,649 INFO L93 Difference]: Finished difference Result 190606 states and 301109 transitions. [2022-10-16 16:37:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:37:06,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2022-10-16 16:37:06,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:37:07,157 INFO L225 Difference]: With dead ends: 190606 [2022-10-16 16:37:07,157 INFO L226 Difference]: Without dead ends: 190603 [2022-10-16 16:37:07,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:37:07,201 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 2267 mSDsluCounter, 1873 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:37:07,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 2052 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:37:07,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190603 states.