/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_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:45:34,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:45:34,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:45:34,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:45:34,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:45:34,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:45:34,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:45:34,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:45:34,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:45:34,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:45:34,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:45:34,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:45:34,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:45:34,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:45:34,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:45:34,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:45:34,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:45:34,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:45:34,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:45:34,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:45:34,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:45:34,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:45:34,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:45:34,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:45:34,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:45:34,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:45:34,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:45:34,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:45:34,717 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 16:45:34,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:45:34,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:45:34,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:45:34,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:45:34,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:45:34,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:45:34,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:45:34,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:45:34,777 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:45:34,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:45:34,778 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:45:34,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:45:34,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:45:34,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:45:34,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:45:34,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:45:34,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:45:34,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:45:34,780 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:45:34,780 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:45:34,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:45:34,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:45:34,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:45:34,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:45:34,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:45:34,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:45:34,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:45:34,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:45:34,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:45:34,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:45:34,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:45:34,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:45:34,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:45:34,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:45:35,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:45:35,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:45:35,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:45:35,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:45:35,254 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:45:35,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:45:35,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0071bd461/0eb0e8eded2a46c4986026567489e345/FLAG114bf8fd4 [2022-10-16 16:45:36,243 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:45:36,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:45:36,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0071bd461/0eb0e8eded2a46c4986026567489e345/FLAG114bf8fd4 [2022-10-16 16:45:36,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0071bd461/0eb0e8eded2a46c4986026567489e345 [2022-10-16 16:45:36,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:45:36,387 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:45:36,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:45:36,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:45:36,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:45:36,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:45:36" (1/1) ... [2022-10-16 16:45:36,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705e1259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:36, skipping insertion in model container [2022-10-16 16:45:36,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:45:36" (1/1) ... [2022-10-16 16:45:36,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:45:36,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:45:37,178 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_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[34857,34870] [2022-10-16 16:45:37,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:45:37,490 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:45:37,763 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_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[34857,34870] [2022-10-16 16:45:37,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:45:37,947 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:45:37,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37 WrapperNode [2022-10-16 16:45:37,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:45:37,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:45:37,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:45:37,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:45:37,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,129 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3139 [2022-10-16 16:45:38,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:45:38,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:45:38,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:45:38,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:45:38,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,247 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:45:38,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:45:38,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:45:38,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:45:38,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (1/1) ... [2022-10-16 16:45:38,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:45:38,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:45:38,331 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 16:45:38,353 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 16:45:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:45:38,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:45:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:45:38,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:45:38,694 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:45:38,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:45:41,170 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:45:41,192 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:45:41,192 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:45:41,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:45:41 BoogieIcfgContainer [2022-10-16 16:45:41,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:45:41,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:45:41,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:45:41,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:45:41,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:45:36" (1/3) ... [2022-10-16 16:45:41,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d895dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:45:41, skipping insertion in model container [2022-10-16 16:45:41,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:37" (2/3) ... [2022-10-16 16:45:41,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d895dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:45:41, skipping insertion in model container [2022-10-16 16:45:41,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:45:41" (3/3) ... [2022-10-16 16:45:41,207 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:45:41,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:45:41,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 232 error locations. [2022-10-16 16:45:41,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:45:41,365 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;@75838c34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:45:41,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 232 error locations. [2022-10-16 16:45:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 1249 states, 1016 states have (on average 1.8316929133858268) internal successors, (1861), 1248 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:45:41,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:41,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:41,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:41,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1244050631, now seen corresponding path program 1 times [2022-10-16 16:45:41,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:41,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292486097] [2022-10-16 16:45:41,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:41,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:42,371 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 16:45:42,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:42,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292486097] [2022-10-16 16:45:42,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292486097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:42,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:42,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:42,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403131922] [2022-10-16 16:45:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:42,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:42,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:42,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:42,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:42,421 INFO L87 Difference]: Start difference. First operand has 1249 states, 1016 states have (on average 1.8316929133858268) internal successors, (1861), 1248 states have internal predecessors, (1861), 0 states have call successors, (0), 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 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:43,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:43,056 INFO L93 Difference]: Finished difference Result 1602 states and 2379 transitions. [2022-10-16 16:45:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:43,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-16 16:45:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:43,086 INFO L225 Difference]: With dead ends: 1602 [2022-10-16 16:45:43,086 INFO L226 Difference]: Without dead ends: 1546 [2022-10-16 16:45:43,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:43,095 INFO L413 NwaCegarLoop]: 2029 mSDtfsCounter, 1695 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:43,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 2433 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:45:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2022-10-16 16:45:43,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1486. [2022-10-16 16:45:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1296 states have (on average 1.646604938271605) internal successors, (2134), 1485 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2134 transitions. [2022-10-16 16:45:43,289 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2134 transitions. Word has length 110 [2022-10-16 16:45:43,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:43,290 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2134 transitions. [2022-10-16 16:45:43,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2134 transitions. [2022-10-16 16:45:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:45:43,304 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:43,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:43,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:45:43,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:43,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:43,307 INFO L85 PathProgramCache]: Analyzing trace with hash -89135626, now seen corresponding path program 1 times [2022-10-16 16:45:43,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:43,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815828835] [2022-10-16 16:45:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:43,805 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 16:45:43,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:43,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815828835] [2022-10-16 16:45:43,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815828835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:43,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:43,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283578794] [2022-10-16 16:45:43,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:43,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:43,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:43,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:43,823 INFO L87 Difference]: Start difference. First operand 1486 states and 2134 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:44,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:44,259 INFO L93 Difference]: Finished difference Result 1551 states and 2134 transitions. [2022-10-16 16:45:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:44,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 16:45:44,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:44,270 INFO L225 Difference]: With dead ends: 1551 [2022-10-16 16:45:44,271 INFO L226 Difference]: Without dead ends: 1536 [2022-10-16 16:45:44,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:44,275 INFO L413 NwaCegarLoop]: 1875 mSDtfsCounter, 1521 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:44,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 2264 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2022-10-16 16:45:44,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1476. [2022-10-16 16:45:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1296 states have (on average 1.6350308641975309) internal successors, (2119), 1475 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2119 transitions. [2022-10-16 16:45:44,374 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2119 transitions. Word has length 111 [2022-10-16 16:45:44,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:44,375 INFO L495 AbstractCegarLoop]: Abstraction has 1476 states and 2119 transitions. [2022-10-16 16:45:44,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2119 transitions. [2022-10-16 16:45:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:45:44,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:44,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:44,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:45:44,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:44,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1531763369, now seen corresponding path program 1 times [2022-10-16 16:45:44,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:44,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641051263] [2022-10-16 16:45:44,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:44,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:44,681 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 16:45:44,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:44,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641051263] [2022-10-16 16:45:44,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641051263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:44,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:44,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:44,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117672858] [2022-10-16 16:45:44,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:44,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:44,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:44,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:44,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:44,685 INFO L87 Difference]: Start difference. First operand 1476 states and 2119 transitions. Second operand has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:45,127 INFO L93 Difference]: Finished difference Result 1785 states and 2551 transitions. [2022-10-16 16:45:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 16:45:45,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:45,139 INFO L225 Difference]: With dead ends: 1785 [2022-10-16 16:45:45,139 INFO L226 Difference]: Without dead ends: 1770 [2022-10-16 16:45:45,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:45,143 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 1498 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:45,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 2214 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:45,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2022-10-16 16:45:45,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1720. [2022-10-16 16:45:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1550 states have (on average 1.6361290322580646) internal successors, (2536), 1719 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2536 transitions. [2022-10-16 16:45:45,255 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2536 transitions. Word has length 112 [2022-10-16 16:45:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:45,256 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2536 transitions. [2022-10-16 16:45:45,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2536 transitions. [2022-10-16 16:45:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:45:45,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:45,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:45,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:45:45,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:45,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:45,259 INFO L85 PathProgramCache]: Analyzing trace with hash 240024664, now seen corresponding path program 1 times [2022-10-16 16:45:45,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:45,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107890209] [2022-10-16 16:45:45,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:45,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:45,483 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 16:45:45,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:45,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107890209] [2022-10-16 16:45:45,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107890209] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:45,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:45,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:45,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411902018] [2022-10-16 16:45:45,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:45,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:45,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:45,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:45,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:45,486 INFO L87 Difference]: Start difference. First operand 1720 states and 2536 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:45,959 INFO L93 Difference]: Finished difference Result 1775 states and 2536 transitions. [2022-10-16 16:45:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:45,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 16:45:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:45,971 INFO L225 Difference]: With dead ends: 1775 [2022-10-16 16:45:45,972 INFO L226 Difference]: Without dead ends: 1760 [2022-10-16 16:45:45,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:45,976 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 1487 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:45,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 2214 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:45,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2022-10-16 16:45:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1710. [2022-10-16 16:45:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1550 states have (on average 1.6264516129032258) internal successors, (2521), 1709 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2521 transitions. [2022-10-16 16:45:46,099 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2521 transitions. Word has length 113 [2022-10-16 16:45:46,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:46,100 INFO L495 AbstractCegarLoop]: Abstraction has 1710 states and 2521 transitions. [2022-10-16 16:45:46,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2521 transitions. [2022-10-16 16:45:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:45:46,101 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:46,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:46,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:45:46,102 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:46,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1149169525, now seen corresponding path program 1 times [2022-10-16 16:45:46,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:46,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028496153] [2022-10-16 16:45:46,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:46,358 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 16:45:46,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:46,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028496153] [2022-10-16 16:45:46,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028496153] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:46,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:46,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:46,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584808462] [2022-10-16 16:45:46,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:46,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:46,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:46,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:46,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:46,363 INFO L87 Difference]: Start difference. First operand 1710 states and 2521 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:46,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:46,852 INFO L93 Difference]: Finished difference Result 2177 states and 3276 transitions. [2022-10-16 16:45:46,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:46,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 16:45:46,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:46,865 INFO L225 Difference]: With dead ends: 2177 [2022-10-16 16:45:46,865 INFO L226 Difference]: Without dead ends: 2162 [2022-10-16 16:45:46,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:46,868 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 1481 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 1938 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:46,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 1938 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:46,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2022-10-16 16:45:47,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 2158. [2022-10-16 16:45:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 2011 states have (on average 1.6176031824962704) internal successors, (3253), 2157 states have internal predecessors, (3253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 3253 transitions. [2022-10-16 16:45:47,045 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 3253 transitions. Word has length 114 [2022-10-16 16:45:47,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:47,046 INFO L495 AbstractCegarLoop]: Abstraction has 2158 states and 3253 transitions. [2022-10-16 16:45:47,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 3253 transitions. [2022-10-16 16:45:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:45:47,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:47,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:47,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:45:47,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:47,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:47,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1264516422, now seen corresponding path program 1 times [2022-10-16 16:45:47,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:47,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583162820] [2022-10-16 16:45:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:47,272 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 16:45:47,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:47,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583162820] [2022-10-16 16:45:47,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583162820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:47,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:47,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:47,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291162875] [2022-10-16 16:45:47,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:47,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:47,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:47,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:47,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:47,275 INFO L87 Difference]: Start difference. First operand 2158 states and 3253 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:47,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:47,927 INFO L93 Difference]: Finished difference Result 2976 states and 4545 transitions. [2022-10-16 16:45:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:47,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-16 16:45:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:47,944 INFO L225 Difference]: With dead ends: 2976 [2022-10-16 16:45:47,945 INFO L226 Difference]: Without dead ends: 2961 [2022-10-16 16:45:47,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:47,950 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 1464 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:47,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 1764 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:45:47,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2022-10-16 16:45:48,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2921. [2022-10-16 16:45:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2784 states have (on average 1.6239224137931034) internal successors, (4521), 2920 states have internal predecessors, (4521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 4521 transitions. [2022-10-16 16:45:48,209 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 4521 transitions. Word has length 115 [2022-10-16 16:45:48,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:48,210 INFO L495 AbstractCegarLoop]: Abstraction has 2921 states and 4521 transitions. [2022-10-16 16:45:48,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 4521 transitions. [2022-10-16 16:45:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:45:48,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:48,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:48,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:45:48,213 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:48,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:48,214 INFO L85 PathProgramCache]: Analyzing trace with hash 275478844, now seen corresponding path program 1 times [2022-10-16 16:45:48,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:48,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103833236] [2022-10-16 16:45:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:48,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:48,455 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 16:45:48,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:48,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103833236] [2022-10-16 16:45:48,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103833236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:48,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:48,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:48,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798982362] [2022-10-16 16:45:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:48,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:48,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:48,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:48,459 INFO L87 Difference]: Start difference. First operand 2921 states and 4521 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:49,112 INFO L93 Difference]: Finished difference Result 4429 states and 6985 transitions. [2022-10-16 16:45:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:49,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-10-16 16:45:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:49,137 INFO L225 Difference]: With dead ends: 4429 [2022-10-16 16:45:49,138 INFO L226 Difference]: Without dead ends: 4423 [2022-10-16 16:45:49,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:49,144 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 1391 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:49,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1879 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2022-10-16 16:45:49,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4408. [2022-10-16 16:45:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4408 states, 4276 states have (on average 1.626753975678204) internal successors, (6956), 4407 states have internal predecessors, (6956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4408 states to 4408 states and 6956 transitions. [2022-10-16 16:45:49,578 INFO L78 Accepts]: Start accepts. Automaton has 4408 states and 6956 transitions. Word has length 117 [2022-10-16 16:45:49,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:49,578 INFO L495 AbstractCegarLoop]: Abstraction has 4408 states and 6956 transitions. [2022-10-16 16:45:49,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 4408 states and 6956 transitions. [2022-10-16 16:45:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:45:49,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:49,582 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, 1, 1, 1, 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 16:45:49,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:45:49,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:49,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:49,583 INFO L85 PathProgramCache]: Analyzing trace with hash -50089936, now seen corresponding path program 1 times [2022-10-16 16:45:49,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:49,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751910889] [2022-10-16 16:45:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:49,804 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 16:45:49,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:49,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751910889] [2022-10-16 16:45:49,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751910889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:49,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:49,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:49,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836816745] [2022-10-16 16:45:49,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:49,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:49,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:49,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:49,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:49,809 INFO L87 Difference]: Start difference. First operand 4408 states and 6956 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:50,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:50,807 INFO L93 Difference]: Finished difference Result 7575 states and 12137 transitions. [2022-10-16 16:45:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:50,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 16:45:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:50,873 INFO L225 Difference]: With dead ends: 7575 [2022-10-16 16:45:50,873 INFO L226 Difference]: Without dead ends: 7569 [2022-10-16 16:45:50,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:50,880 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 1322 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:50,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 2046 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:50,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7569 states. [2022-10-16 16:45:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7569 to 7526. [2022-10-16 16:45:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7526 states, 7399 states have (on average 1.6356264360048656) internal successors, (12102), 7525 states have internal predecessors, (12102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7526 states to 7526 states and 12102 transitions. [2022-10-16 16:45:51,627 INFO L78 Accepts]: Start accepts. Automaton has 7526 states and 12102 transitions. Word has length 118 [2022-10-16 16:45:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:51,628 INFO L495 AbstractCegarLoop]: Abstraction has 7526 states and 12102 transitions. [2022-10-16 16:45:51,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 7526 states and 12102 transitions. [2022-10-16 16:45:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:45:51,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:51,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:51,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:45:51,631 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:51,632 INFO L85 PathProgramCache]: Analyzing trace with hash -891772398, now seen corresponding path program 1 times [2022-10-16 16:45:51,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:51,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651710329] [2022-10-16 16:45:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:51,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:51,887 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 16:45:51,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:51,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651710329] [2022-10-16 16:45:51,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651710329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:51,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:51,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:51,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851458880] [2022-10-16 16:45:51,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:51,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:51,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:51,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:51,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:51,890 INFO L87 Difference]: Start difference. First operand 7526 states and 12102 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:53,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:53,387 INFO L93 Difference]: Finished difference Result 13369 states and 21661 transitions. [2022-10-16 16:45:53,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:53,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 16:45:53,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:53,448 INFO L225 Difference]: With dead ends: 13369 [2022-10-16 16:45:53,449 INFO L226 Difference]: Without dead ends: 13363 [2022-10-16 16:45:53,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:53,461 INFO L413 NwaCegarLoop]: 1577 mSDtfsCounter, 1394 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:53,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 1865 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:45:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13363 states. [2022-10-16 16:45:54,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13363 to 13318. [2022-10-16 16:45:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 13196 states have (on average 1.6345862382540164) internal successors, (21570), 13317 states have internal predecessors, (21570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 21570 transitions. [2022-10-16 16:45:54,835 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 21570 transitions. Word has length 120 [2022-10-16 16:45:54,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:54,835 INFO L495 AbstractCegarLoop]: Abstraction has 13318 states and 21570 transitions. [2022-10-16 16:45:54,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 21570 transitions. [2022-10-16 16:45:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:45:54,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:54,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:54,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:45:54,838 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:54,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1875140063, now seen corresponding path program 1 times [2022-10-16 16:45:54,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:54,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642153185] [2022-10-16 16:45:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:54,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:55,011 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 16:45:55,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:55,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642153185] [2022-10-16 16:45:55,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642153185] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:55,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:55,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:55,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138529713] [2022-10-16 16:45:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:55,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:55,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:55,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:55,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:55,014 INFO L87 Difference]: Start difference. First operand 13318 states and 21570 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:57,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:57,210 INFO L93 Difference]: Finished difference Result 25233 states and 41091 transitions. [2022-10-16 16:45:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:57,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 16:45:57,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:57,288 INFO L225 Difference]: With dead ends: 25233 [2022-10-16 16:45:57,288 INFO L226 Difference]: Without dead ends: 25227 [2022-10-16 16:45:57,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:57,298 INFO L413 NwaCegarLoop]: 1691 mSDtfsCounter, 1330 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:57,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 2015 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:57,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25227 states. [2022-10-16 16:45:59,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25227 to 25156. [2022-10-16 16:45:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25156 states, 25039 states have (on average 1.6369663325212669) internal successors, (40988), 25155 states have internal predecessors, (40988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25156 states to 25156 states and 40988 transitions. [2022-10-16 16:45:59,211 INFO L78 Accepts]: Start accepts. Automaton has 25156 states and 40988 transitions. Word has length 121 [2022-10-16 16:45:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:59,212 INFO L495 AbstractCegarLoop]: Abstraction has 25156 states and 40988 transitions. [2022-10-16 16:45:59,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 25156 states and 40988 transitions. [2022-10-16 16:45:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:45:59,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:59,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:59,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:45:59,215 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:45:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1876679843, now seen corresponding path program 1 times [2022-10-16 16:45:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:59,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311812811] [2022-10-16 16:45:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:59,383 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 16:45:59,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:59,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311812811] [2022-10-16 16:45:59,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311812811] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:59,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:59,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:59,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716624348] [2022-10-16 16:45:59,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:59,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:59,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:59,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:59,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:59,385 INFO L87 Difference]: Start difference. First operand 25156 states and 40988 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:03,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:03,160 INFO L93 Difference]: Finished difference Result 47487 states and 77483 transitions. [2022-10-16 16:46:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:03,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:46:03,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:03,320 INFO L225 Difference]: With dead ends: 47487 [2022-10-16 16:46:03,321 INFO L226 Difference]: Without dead ends: 47481 [2022-10-16 16:46:03,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:03,342 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 1397 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:03,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 1931 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:03,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47481 states. [2022-10-16 16:46:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47481 to 47320. [2022-10-16 16:46:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47320 states, 47208 states have (on average 1.6342992713099476) internal successors, (77152), 47319 states have internal predecessors, (77152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47320 states to 47320 states and 77152 transitions. [2022-10-16 16:46:07,129 INFO L78 Accepts]: Start accepts. Automaton has 47320 states and 77152 transitions. Word has length 123 [2022-10-16 16:46:07,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:07,129 INFO L495 AbstractCegarLoop]: Abstraction has 47320 states and 77152 transitions. [2022-10-16 16:46:07,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 47320 states and 77152 transitions. [2022-10-16 16:46:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:46:07,132 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:07,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:07,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:46:07,132 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:46:07,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:07,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1952466505, now seen corresponding path program 1 times [2022-10-16 16:46:07,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:07,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350679587] [2022-10-16 16:46:07,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:07,545 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 16:46:07,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:07,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350679587] [2022-10-16 16:46:07,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350679587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:07,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:07,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:46:07,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258662815] [2022-10-16 16:46:07,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:07,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:46:07,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:07,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:46:07,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:07,549 INFO L87 Difference]: Start difference. First operand 47320 states and 77152 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:14,087 INFO L93 Difference]: Finished difference Result 92375 states and 150821 transitions. [2022-10-16 16:46:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:14,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 16:46:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:14,348 INFO L225 Difference]: With dead ends: 92375 [2022-10-16 16:46:14,348 INFO L226 Difference]: Without dead ends: 92369 [2022-10-16 16:46:14,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:14,386 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 1338 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:14,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 2080 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:46:14,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92369 states. [2022-10-16 16:46:21,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92369 to 92184. [2022-10-16 16:46:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92184 states, 92077 states have (on average 1.6341323023121952) internal successors, (150466), 92183 states have internal predecessors, (150466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92184 states to 92184 states and 150466 transitions. [2022-10-16 16:46:21,918 INFO L78 Accepts]: Start accepts. Automaton has 92184 states and 150466 transitions. Word has length 124 [2022-10-16 16:46:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:21,918 INFO L495 AbstractCegarLoop]: Abstraction has 92184 states and 150466 transitions. [2022-10-16 16:46:21,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:21,924 INFO L276 IsEmpty]: Start isEmpty. Operand 92184 states and 150466 transitions. [2022-10-16 16:46:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:46:21,926 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:21,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:21,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:46:21,926 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:46:21,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:21,927 INFO L85 PathProgramCache]: Analyzing trace with hash 580413337, now seen corresponding path program 1 times [2022-10-16 16:46:21,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:21,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285815130] [2022-10-16 16:46:21,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:21,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:22,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:22,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285815130] [2022-10-16 16:46:22,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285815130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:22,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:22,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:46:22,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003876221] [2022-10-16 16:46:22,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:22,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:46:22,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:22,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:46:22,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:22,120 INFO L87 Difference]: Start difference. First operand 92184 states and 150466 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:34,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:34,320 INFO L93 Difference]: Finished difference Result 159978 states and 261373 transitions. [2022-10-16 16:46:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:34,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 16:46:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:34,914 INFO L225 Difference]: With dead ends: 159978 [2022-10-16 16:46:34,915 INFO L226 Difference]: Without dead ends: 159972 [2022-10-16 16:46:35,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:35,008 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 1400 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:35,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 1997 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:35,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159972 states. [2022-10-16 16:46:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159972 to 159470. [2022-10-16 16:46:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159470 states, 159368 states have (on average 1.6335776316449977) internal successors, (260340), 159469 states have internal predecessors, (260340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159470 states to 159470 states and 260340 transitions. [2022-10-16 16:46:48,481 INFO L78 Accepts]: Start accepts. Automaton has 159470 states and 260340 transitions. Word has length 126 [2022-10-16 16:46:48,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:48,481 INFO L495 AbstractCegarLoop]: Abstraction has 159470 states and 260340 transitions. [2022-10-16 16:46:48,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 159470 states and 260340 transitions. [2022-10-16 16:46:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:46:48,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:48,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:48,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:46:48,484 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 229 more)] === [2022-10-16 16:46:48,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 812944776, now seen corresponding path program 1 times [2022-10-16 16:46:48,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:48,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978356178] [2022-10-16 16:46:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:48,674 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 16:46:48,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:48,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978356178] [2022-10-16 16:46:48,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978356178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:48,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:48,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:46:48,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631126776] [2022-10-16 16:46:48,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:48,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:46:48,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:48,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:46:48,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:48,676 INFO L87 Difference]: Start difference. First operand 159470 states and 260340 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:11,371 INFO L93 Difference]: Finished difference Result 295702 states and 483187 transitions. [2022-10-16 16:47:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:11,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 16:47:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:12,385 INFO L225 Difference]: With dead ends: 295702 [2022-10-16 16:47:12,386 INFO L226 Difference]: Without dead ends: 295696 [2022-10-16 16:47:12,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:12,498 INFO L413 NwaCegarLoop]: 1791 mSDtfsCounter, 1346 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 2145 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:12,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 2145 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:12,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295696 states.