./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:03:52,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:03:52,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:03:52,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:03:52,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:03:52,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:03:52,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:03:52,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:03:52,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:03:52,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:03:52,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:03:52,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:03:52,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:03:52,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:03:52,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:03:52,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:03:52,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:03:52,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:03:52,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:03:52,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:03:52,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:03:52,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:03:52,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:03:52,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:03:52,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:03:52,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:03:52,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:03:52,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:03:52,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:03:52,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:03:52,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:03:52,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:03:52,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:03:52,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:03:52,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:03:52,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:03:52,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:03:52,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:03:52,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:03:52,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:03:52,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:03:52,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 04:03:52,352 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:03:52,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:03:52,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:03:52,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:03:52,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 04:03:52,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 04:03:52,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:03:52,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:03:52,355 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:03:52,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:03:52,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:03:52,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:03:52,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:03:52,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 04:03:52,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 04:03:52,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 04:03:52,356 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 04:03:52,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:03:52,357 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:03:52,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 04:03:52,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:03:52,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:03:52,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 04:03:52,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:03:52,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:03:52,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 04:03:52,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 04:03:52,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:03:52,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 04:03:52,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 04:03:52,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 04:03:52,360 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 04:03:52,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 04:03:52,360 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 04:03:52,360 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 840f7211e98f8df944803b1b6b505b147a346af4659f1e24924ab4dd64ebca52 [2023-02-17 04:03:52,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:03:52,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:03:52,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:03:52,626 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:03:52,627 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:03:52,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2023-02-17 04:03:53,703 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:03:53,928 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:03:53,934 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca-2.i [2023-02-17 04:03:53,947 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8030054b/18811d0170d14e9c9c9e14233ec24a46/FLAGb2975b084 [2023-02-17 04:03:53,965 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8030054b/18811d0170d14e9c9c9e14233ec24a46 [2023-02-17 04:03:53,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:03:53,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:03:53,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:03:53,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:03:53,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:03:53,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:03:53" (1/1) ... [2023-02-17 04:03:53,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498da073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:53, skipping insertion in model container [2023-02-17 04:03:53,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:03:53" (1/1) ... [2023-02-17 04:03:53,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:03:54,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:03:54,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:03:54,264 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:03:54,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:03:54,322 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:03:54,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54 WrapperNode [2023-02-17 04:03:54,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:03:54,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:03:54,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:03:54,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:03:54,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,364 INFO L138 Inliner]: procedures = 110, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 222 [2023-02-17 04:03:54,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:03:54,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:03:54,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:03:54,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:03:54,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:03:54,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:03:54,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:03:54,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:03:54,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (1/1) ... [2023-02-17 04:03:54,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:03:54,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:03:54,427 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) [2023-02-17 04:03:54,429 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 [2023-02-17 04:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-17 04:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-17 04:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-17 04:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-17 04:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:03:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:03:54,570 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:03:54,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:03:54,862 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:03:54,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:03:54,880 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 04:03:54,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:03:54 BoogieIcfgContainer [2023-02-17 04:03:54,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:03:54,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 04:03:54,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 04:03:54,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 04:03:54,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 04:03:53" (1/3) ... [2023-02-17 04:03:54,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e8fd10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:03:54, skipping insertion in model container [2023-02-17 04:03:54,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:03:54" (2/3) ... [2023-02-17 04:03:54,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e8fd10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:03:54, skipping insertion in model container [2023-02-17 04:03:54,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:03:54" (3/3) ... [2023-02-17 04:03:54,898 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca-2.i [2023-02-17 04:03:54,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 04:03:54,922 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-02-17 04:03:54,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 04:03:54,967 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=PETRI_NET, 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;@69ef14c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 04:03:54,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-02-17 04:03:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 61 states have (on average 1.7868852459016393) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 04:03:54,975 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:54,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:03:54,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:54,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:54,980 INFO L85 PathProgramCache]: Analyzing trace with hash 889508904, now seen corresponding path program 1 times [2023-02-17 04:03:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:54,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488018024] [2023-02-17 04:03:54,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:54,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:55,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:55,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488018024] [2023-02-17 04:03:55,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488018024] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:55,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:55,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:55,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223313151] [2023-02-17 04:03:55,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:55,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:55,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:55,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:55,444 INFO L87 Difference]: Start difference. First operand has 98 states, 61 states have (on average 1.7868852459016393) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:55,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:55,596 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2023-02-17 04:03:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:55,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2023-02-17 04:03:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:55,606 INFO L225 Difference]: With dead ends: 112 [2023-02-17 04:03:55,607 INFO L226 Difference]: Without dead ends: 102 [2023-02-17 04:03:55,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:03:55,612 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 7 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:55,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 261 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:55,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-17 04:03:55,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2023-02-17 04:03:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.7580645161290323) internal successors, (109), 97 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2023-02-17 04:03:55,642 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 6 [2023-02-17 04:03:55,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:55,642 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2023-02-17 04:03:55,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:55,643 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2023-02-17 04:03:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 04:03:55,644 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:55,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:03:55,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 04:03:55,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:55,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:55,645 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2023-02-17 04:03:55,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:55,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127736684] [2023-02-17 04:03:55,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:55,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:55,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127736684] [2023-02-17 04:03:55,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127736684] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:55,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:55,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:55,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133847185] [2023-02-17 04:03:55,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:55,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:55,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:55,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:55,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:55,722 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:55,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:55,803 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2023-02-17 04:03:55,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:55,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2023-02-17 04:03:55,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:55,807 INFO L225 Difference]: With dead ends: 98 [2023-02-17 04:03:55,807 INFO L226 Difference]: Without dead ends: 97 [2023-02-17 04:03:55,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:55,812 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:55,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 248 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:55,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-02-17 04:03:55,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-02-17 04:03:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.7419354838709677) internal successors, (108), 96 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 108 transitions. [2023-02-17 04:03:55,823 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 108 transitions. Word has length 6 [2023-02-17 04:03:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:55,824 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 108 transitions. [2023-02-17 04:03:55,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 108 transitions. [2023-02-17 04:03:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 04:03:55,824 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:55,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:03:55,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 04:03:55,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:55,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2023-02-17 04:03:55,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:55,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697912236] [2023-02-17 04:03:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:55,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:55,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697912236] [2023-02-17 04:03:55,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697912236] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:55,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:55,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:55,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361041491] [2023-02-17 04:03:55,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:55,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:55,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:55,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:55,965 INFO L87 Difference]: Start difference. First operand 97 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:56,056 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2023-02-17 04:03:56,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:56,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2023-02-17 04:03:56,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:56,060 INFO L225 Difference]: With dead ends: 97 [2023-02-17 04:03:56,060 INFO L226 Difference]: Without dead ends: 96 [2023-02-17 04:03:56,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:03:56,065 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 8 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:56,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 239 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-17 04:03:56,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-02-17 04:03:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 62 states have (on average 1.7258064516129032) internal successors, (107), 95 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2023-02-17 04:03:56,071 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 6 [2023-02-17 04:03:56,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:56,071 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2023-02-17 04:03:56,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2023-02-17 04:03:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 04:03:56,072 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:56,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:56,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 04:03:56,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:56,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1804966342, now seen corresponding path program 1 times [2023-02-17 04:03:56,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:56,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315111826] [2023-02-17 04:03:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:56,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:56,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:56,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315111826] [2023-02-17 04:03:56,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315111826] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:56,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:56,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:03:56,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536802657] [2023-02-17 04:03:56,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:56,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 04:03:56,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 04:03:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:03:56,191 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:56,307 INFO L93 Difference]: Finished difference Result 180 states and 199 transitions. [2023-02-17 04:03:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 04:03:56,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2023-02-17 04:03:56,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:56,309 INFO L225 Difference]: With dead ends: 180 [2023-02-17 04:03:56,310 INFO L226 Difference]: Without dead ends: 96 [2023-02-17 04:03:56,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:03:56,316 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:56,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 301 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:56,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-17 04:03:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-02-17 04:03:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 62 states have (on average 1.7096774193548387) internal successors, (106), 95 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2023-02-17 04:03:56,329 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 7 [2023-02-17 04:03:56,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:56,329 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2023-02-17 04:03:56,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2023-02-17 04:03:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 04:03:56,330 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:56,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:56,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 04:03:56,330 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:56,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:56,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1806819342, now seen corresponding path program 1 times [2023-02-17 04:03:56,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:56,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981397241] [2023-02-17 04:03:56,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:56,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:56,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:56,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981397241] [2023-02-17 04:03:56,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981397241] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:56,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:56,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:56,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221113384] [2023-02-17 04:03:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:56,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:56,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:56,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:56,432 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:56,506 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2023-02-17 04:03:56,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:56,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2023-02-17 04:03:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:56,507 INFO L225 Difference]: With dead ends: 96 [2023-02-17 04:03:56,507 INFO L226 Difference]: Without dead ends: 95 [2023-02-17 04:03:56,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:03:56,508 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 5 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:56,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 248 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-17 04:03:56,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-02-17 04:03:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.6935483870967742) internal successors, (105), 94 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2023-02-17 04:03:56,512 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 7 [2023-02-17 04:03:56,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:56,513 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2023-02-17 04:03:56,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2023-02-17 04:03:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 04:03:56,513 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:56,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:56,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-17 04:03:56,514 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:56,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1806813384, now seen corresponding path program 1 times [2023-02-17 04:03:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:56,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728314092] [2023-02-17 04:03:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:56,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:56,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728314092] [2023-02-17 04:03:56,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728314092] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:56,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:56,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:03:56,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707412948] [2023-02-17 04:03:56,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:56,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:56,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:56,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:56,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:56,574 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:56,629 INFO L93 Difference]: Finished difference Result 176 states and 194 transitions. [2023-02-17 04:03:56,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:56,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2023-02-17 04:03:56,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:56,630 INFO L225 Difference]: With dead ends: 176 [2023-02-17 04:03:56,630 INFO L226 Difference]: Without dead ends: 92 [2023-02-17 04:03:56,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:03:56,632 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 3 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:56,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 244 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:03:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-17 04:03:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-02-17 04:03:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 91 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2023-02-17 04:03:56,650 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 7 [2023-02-17 04:03:56,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:56,650 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2023-02-17 04:03:56,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2023-02-17 04:03:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-17 04:03:56,651 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:56,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:56,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-17 04:03:56,652 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:56,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:56,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1238197486, now seen corresponding path program 1 times [2023-02-17 04:03:56,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:56,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642974730] [2023-02-17 04:03:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:56,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:56,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:56,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642974730] [2023-02-17 04:03:56,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642974730] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:56,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:56,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:03:56,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613335060] [2023-02-17 04:03:56,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:56,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 04:03:56,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:56,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 04:03:56,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:03:56,789 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:56,892 INFO L93 Difference]: Finished difference Result 173 states and 190 transitions. [2023-02-17 04:03:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:03:56,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2023-02-17 04:03:56,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:56,893 INFO L225 Difference]: With dead ends: 173 [2023-02-17 04:03:56,893 INFO L226 Difference]: Without dead ends: 98 [2023-02-17 04:03:56,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:03:56,897 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 4 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:56,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 425 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-02-17 04:03:56,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2023-02-17 04:03:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 93 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2023-02-17 04:03:56,908 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 10 [2023-02-17 04:03:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:56,909 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2023-02-17 04:03:56,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2023-02-17 04:03:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-17 04:03:56,909 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:56,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:56,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-17 04:03:56,910 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1238197678, now seen corresponding path program 1 times [2023-02-17 04:03:56,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:56,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427465419] [2023-02-17 04:03:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:56,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:56,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427465419] [2023-02-17 04:03:56,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427465419] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:56,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:56,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:56,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121572424] [2023-02-17 04:03:56,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:56,976 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:57,024 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2023-02-17 04:03:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:57,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2023-02-17 04:03:57,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:57,025 INFO L225 Difference]: With dead ends: 94 [2023-02-17 04:03:57,026 INFO L226 Difference]: Without dead ends: 93 [2023-02-17 04:03:57,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:57,027 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 2 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:57,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 236 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:03:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-17 04:03:57,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-17 04:03:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 92 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2023-02-17 04:03:57,032 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 10 [2023-02-17 04:03:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:57,032 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2023-02-17 04:03:57,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-02-17 04:03:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-17 04:03:57,034 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:57,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:57,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-17 04:03:57,037 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1870049334, now seen corresponding path program 1 times [2023-02-17 04:03:57,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:57,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675573175] [2023-02-17 04:03:57,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:57,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:57,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:57,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675573175] [2023-02-17 04:03:57,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675573175] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:57,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:57,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:03:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009974022] [2023-02-17 04:03:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:57,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 04:03:57,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:57,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 04:03:57,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:03:57,202 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:57,279 INFO L93 Difference]: Finished difference Result 96 states and 105 transitions. [2023-02-17 04:03:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:03:57,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2023-02-17 04:03:57,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:57,280 INFO L225 Difference]: With dead ends: 96 [2023-02-17 04:03:57,280 INFO L226 Difference]: Without dead ends: 95 [2023-02-17 04:03:57,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-02-17 04:03:57,281 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 15 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:57,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 320 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-17 04:03:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2023-02-17 04:03:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.6290322580645162) internal successors, (101), 91 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2023-02-17 04:03:57,283 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 10 [2023-02-17 04:03:57,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:57,284 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2023-02-17 04:03:57,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2023-02-17 04:03:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 04:03:57,284 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:57,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:57,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-17 04:03:57,285 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:57,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:57,285 INFO L85 PathProgramCache]: Analyzing trace with hash 270577707, now seen corresponding path program 1 times [2023-02-17 04:03:57,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:57,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540754222] [2023-02-17 04:03:57,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:57,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:57,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:57,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540754222] [2023-02-17 04:03:57,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540754222] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:57,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:57,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-02-17 04:03:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227054663] [2023-02-17 04:03:57,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-17 04:03:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:57,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-17 04:03:57,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-02-17 04:03:57,409 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:57,504 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2023-02-17 04:03:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 04:03:57,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-17 04:03:57,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:57,505 INFO L225 Difference]: With dead ends: 95 [2023-02-17 04:03:57,505 INFO L226 Difference]: Without dead ends: 94 [2023-02-17 04:03:57,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-02-17 04:03:57,506 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:57,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 358 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:57,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-02-17 04:03:57,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-02-17 04:03:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.609375) internal successors, (103), 93 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2023-02-17 04:03:57,510 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 11 [2023-02-17 04:03:57,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:57,510 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2023-02-17 04:03:57,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2023-02-17 04:03:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 04:03:57,510 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:57,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:57,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-17 04:03:57,511 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash -2136954439, now seen corresponding path program 1 times [2023-02-17 04:03:57,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:57,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81051863] [2023-02-17 04:03:57,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:57,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:57,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81051863] [2023-02-17 04:03:57,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81051863] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:57,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:57,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:57,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087231565] [2023-02-17 04:03:57,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:57,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:57,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:57,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:57,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:57,559 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:57,604 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions. [2023-02-17 04:03:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-17 04:03:57,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:57,606 INFO L225 Difference]: With dead ends: 94 [2023-02-17 04:03:57,606 INFO L226 Difference]: Without dead ends: 93 [2023-02-17 04:03:57,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:57,610 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:57,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:03:57,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-17 04:03:57,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-02-17 04:03:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.59375) internal successors, (102), 92 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2023-02-17 04:03:57,613 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 11 [2023-02-17 04:03:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:57,613 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2023-02-17 04:03:57,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2023-02-17 04:03:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 04:03:57,615 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:57,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:57,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-17 04:03:57,615 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:57,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:57,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2136960397, now seen corresponding path program 1 times [2023-02-17 04:03:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:57,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760461457] [2023-02-17 04:03:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:57,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:57,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760461457] [2023-02-17 04:03:57,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760461457] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:57,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:57,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:03:57,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568066463] [2023-02-17 04:03:57,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:57,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-17 04:03:57,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:57,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-17 04:03:57,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:03:57,716 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:57,796 INFO L93 Difference]: Finished difference Result 164 states and 180 transitions. [2023-02-17 04:03:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 04:03:57,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-17 04:03:57,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:57,797 INFO L225 Difference]: With dead ends: 164 [2023-02-17 04:03:57,798 INFO L226 Difference]: Without dead ends: 90 [2023-02-17 04:03:57,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-02-17 04:03:57,798 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 5 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:57,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 362 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:57,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-17 04:03:57,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-02-17 04:03:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 89 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2023-02-17 04:03:57,801 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 11 [2023-02-17 04:03:57,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:57,801 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2023-02-17 04:03:57,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2023-02-17 04:03:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-17 04:03:57,802 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:57,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:57,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-17 04:03:57,802 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:57,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash -873076548, now seen corresponding path program 1 times [2023-02-17 04:03:57,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:57,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955963399] [2023-02-17 04:03:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:57,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:57,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955963399] [2023-02-17 04:03:57,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955963399] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:57,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:57,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:03:57,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763203010] [2023-02-17 04:03:57,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:57,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 04:03:57,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:57,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 04:03:57,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:03:57,907 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:57,983 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2023-02-17 04:03:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:03:57,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2023-02-17 04:03:57,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:57,984 INFO L225 Difference]: With dead ends: 161 [2023-02-17 04:03:57,984 INFO L226 Difference]: Without dead ends: 96 [2023-02-17 04:03:57,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:03:57,985 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 4 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:57,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 357 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:57,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-02-17 04:03:57,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-02-17 04:03:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.5625) internal successors, (100), 91 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2023-02-17 04:03:57,987 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 14 [2023-02-17 04:03:57,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:57,987 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2023-02-17 04:03:57,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2023-02-17 04:03:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-17 04:03:57,988 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:57,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:57,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-17 04:03:57,989 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash -873076740, now seen corresponding path program 1 times [2023-02-17 04:03:57,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:57,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795105218] [2023-02-17 04:03:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:57,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:58,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:58,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795105218] [2023-02-17 04:03:58,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795105218] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:58,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:58,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:58,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287437382] [2023-02-17 04:03:58,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:58,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:58,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:58,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:58,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:58,028 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:58,073 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2023-02-17 04:03:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:58,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2023-02-17 04:03:58,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:58,074 INFO L225 Difference]: With dead ends: 92 [2023-02-17 04:03:58,074 INFO L226 Difference]: Without dead ends: 91 [2023-02-17 04:03:58,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:58,075 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 2 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:58,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 224 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:03:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-17 04:03:58,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-02-17 04:03:58,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 64 states have (on average 1.546875) internal successors, (99), 90 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2023-02-17 04:03:58,078 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 14 [2023-02-17 04:03:58,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:58,078 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2023-02-17 04:03:58,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-02-17 04:03:58,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-17 04:03:58,079 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:58,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:58,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-17 04:03:58,079 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2004362130, now seen corresponding path program 1 times [2023-02-17 04:03:58,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:58,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255466465] [2023-02-17 04:03:58,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:58,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:58,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:58,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:58,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255466465] [2023-02-17 04:03:58,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255466465] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:58,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:58,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-17 04:03:58,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059940830] [2023-02-17 04:03:58,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:58,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-02-17 04:03:58,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:58,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-02-17 04:03:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-02-17 04:03:58,239 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:58,341 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2023-02-17 04:03:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-17 04:03:58,341 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2023-02-17 04:03:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:58,342 INFO L225 Difference]: With dead ends: 94 [2023-02-17 04:03:58,342 INFO L226 Difference]: Without dead ends: 93 [2023-02-17 04:03:58,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-02-17 04:03:58,343 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 26 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:58,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 379 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:58,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-17 04:03:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2023-02-17 04:03:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.53125) internal successors, (98), 89 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2023-02-17 04:03:58,345 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 14 [2023-02-17 04:03:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:58,345 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2023-02-17 04:03:58,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2023-02-17 04:03:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 04:03:58,346 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:58,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:58,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-02-17 04:03:58,346 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:58,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:58,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1295575088, now seen corresponding path program 1 times [2023-02-17 04:03:58,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:58,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287207672] [2023-02-17 04:03:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:58,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:58,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:58,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287207672] [2023-02-17 04:03:58,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287207672] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:58,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:58,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-02-17 04:03:58,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706538482] [2023-02-17 04:03:58,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:58,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-17 04:03:58,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:58,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-17 04:03:58,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-02-17 04:03:58,546 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:58,663 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2023-02-17 04:03:58,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-17 04:03:58,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2023-02-17 04:03:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:58,664 INFO L225 Difference]: With dead ends: 93 [2023-02-17 04:03:58,665 INFO L226 Difference]: Without dead ends: 92 [2023-02-17 04:03:58,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-02-17 04:03:58,665 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 14 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:58,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 404 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:58,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-17 04:03:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-02-17 04:03:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 91 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2023-02-17 04:03:58,669 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 15 [2023-02-17 04:03:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:58,669 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2023-02-17 04:03:58,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.5) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2023-02-17 04:03:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 04:03:58,670 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:58,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:58,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-02-17 04:03:58,670 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:58,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2005683804, now seen corresponding path program 1 times [2023-02-17 04:03:58,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:58,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199212514] [2023-02-17 04:03:58,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:58,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:58,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:58,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199212514] [2023-02-17 04:03:58,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199212514] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:58,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:58,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:58,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271834057] [2023-02-17 04:03:58,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:58,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:58,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:58,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:58,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:58,715 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:58,762 INFO L93 Difference]: Finished difference Result 92 states and 100 transitions. [2023-02-17 04:03:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:58,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2023-02-17 04:03:58,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:58,763 INFO L225 Difference]: With dead ends: 92 [2023-02-17 04:03:58,763 INFO L226 Difference]: Without dead ends: 91 [2023-02-17 04:03:58,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:58,764 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:58,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:03:58,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-17 04:03:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-02-17 04:03:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.5) internal successors, (99), 90 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2023-02-17 04:03:58,766 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 15 [2023-02-17 04:03:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:58,766 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2023-02-17 04:03:58,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-02-17 04:03:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 04:03:58,767 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:58,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:58,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-02-17 04:03:58,767 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:58,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash -2005689762, now seen corresponding path program 1 times [2023-02-17 04:03:58,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:58,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249947071] [2023-02-17 04:03:58,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:58,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:58,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:58,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249947071] [2023-02-17 04:03:58,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249947071] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:58,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:58,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-17 04:03:58,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819571297] [2023-02-17 04:03:58,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:58,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-17 04:03:58,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-17 04:03:58,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-02-17 04:03:58,936 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:59,015 INFO L93 Difference]: Finished difference Result 152 states and 166 transitions. [2023-02-17 04:03:59,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-17 04:03:59,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2023-02-17 04:03:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:59,016 INFO L225 Difference]: With dead ends: 152 [2023-02-17 04:03:59,016 INFO L226 Difference]: Without dead ends: 88 [2023-02-17 04:03:59,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-02-17 04:03:59,017 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 12 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:59,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 373 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-17 04:03:59,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-02-17 04:03:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 64 states have (on average 1.484375) internal successors, (95), 87 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2023-02-17 04:03:59,019 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 15 [2023-02-17 04:03:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:59,020 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2023-02-17 04:03:59,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2023-02-17 04:03:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-17 04:03:59,022 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:59,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:59,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-02-17 04:03:59,022 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:59,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:59,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1901241242, now seen corresponding path program 1 times [2023-02-17 04:03:59,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:59,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312520817] [2023-02-17 04:03:59,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:59,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:59,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:59,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312520817] [2023-02-17 04:03:59,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312520817] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:59,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:59,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:03:59,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470421961] [2023-02-17 04:03:59,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:59,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:03:59,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:59,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:03:59,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:59,076 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:59,122 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2023-02-17 04:03:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:03:59,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2023-02-17 04:03:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:59,123 INFO L225 Difference]: With dead ends: 88 [2023-02-17 04:03:59,123 INFO L226 Difference]: Without dead ends: 87 [2023-02-17 04:03:59,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:03:59,124 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 2 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:59,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:03:59,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-17 04:03:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-02-17 04:03:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.46875) internal successors, (94), 86 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2023-02-17 04:03:59,126 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 18 [2023-02-17 04:03:59,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:59,127 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2023-02-17 04:03:59,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2023-02-17 04:03:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-17 04:03:59,129 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:59,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:59,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-02-17 04:03:59,129 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:59,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:59,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1901241050, now seen corresponding path program 1 times [2023-02-17 04:03:59,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:59,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2646493] [2023-02-17 04:03:59,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:59,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:59,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:59,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2646493] [2023-02-17 04:03:59,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2646493] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:59,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:59,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-02-17 04:03:59,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730419508] [2023-02-17 04:03:59,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:59,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 04:03:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:59,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 04:03:59,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-02-17 04:03:59,380 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:59,543 INFO L93 Difference]: Finished difference Result 147 states and 160 transitions. [2023-02-17 04:03:59,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-17 04:03:59,543 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2023-02-17 04:03:59,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:59,544 INFO L225 Difference]: With dead ends: 147 [2023-02-17 04:03:59,544 INFO L226 Difference]: Without dead ends: 92 [2023-02-17 04:03:59,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2023-02-17 04:03:59,545 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 10 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:59,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 535 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:59,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-17 04:03:59,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2023-02-17 04:03:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 88 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2023-02-17 04:03:59,551 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 18 [2023-02-17 04:03:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:59,551 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2023-02-17 04:03:59,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2023-02-17 04:03:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-17 04:03:59,552 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:59,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:59,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-02-17 04:03:59,554 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:59,554 INFO L85 PathProgramCache]: Analyzing trace with hash 258900690, now seen corresponding path program 1 times [2023-02-17 04:03:59,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:59,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770686556] [2023-02-17 04:03:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:03:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:03:59,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:03:59,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770686556] [2023-02-17 04:03:59,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770686556] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:03:59,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:03:59,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-02-17 04:03:59,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421452413] [2023-02-17 04:03:59,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:03:59,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 04:03:59,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:03:59,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 04:03:59,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-02-17 04:03:59,777 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:03:59,956 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2023-02-17 04:03:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-17 04:03:59,956 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2023-02-17 04:03:59,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:03:59,957 INFO L225 Difference]: With dead ends: 92 [2023-02-17 04:03:59,957 INFO L226 Difference]: Without dead ends: 91 [2023-02-17 04:03:59,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-02-17 04:03:59,958 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 23 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:03:59,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 493 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:03:59,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-02-17 04:03:59,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2023-02-17 04:03:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 87 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2023-02-17 04:03:59,961 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 18 [2023-02-17 04:03:59,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:03:59,961 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2023-02-17 04:03:59,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:03:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2023-02-17 04:03:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 04:03:59,962 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:03:59,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:03:59,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-02-17 04:03:59,962 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:03:59,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:03:59,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1191063733, now seen corresponding path program 1 times [2023-02-17 04:03:59,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:03:59,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456268241] [2023-02-17 04:03:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:03:59,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:03:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:00,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:00,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456268241] [2023-02-17 04:04:00,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456268241] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:00,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:00,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-02-17 04:04:00,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192657083] [2023-02-17 04:04:00,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:00,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-17 04:04:00,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:00,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-17 04:04:00,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-02-17 04:04:00,223 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:00,372 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2023-02-17 04:04:00,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-17 04:04:00,372 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2023-02-17 04:04:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:00,373 INFO L225 Difference]: With dead ends: 91 [2023-02-17 04:04:00,373 INFO L226 Difference]: Without dead ends: 90 [2023-02-17 04:04:00,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-02-17 04:04:00,375 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:00,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 471 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:04:00,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-17 04:04:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-02-17 04:04:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 89 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2023-02-17 04:04:00,378 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 19 [2023-02-17 04:04:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:00,378 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2023-02-17 04:04:00,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2023-02-17 04:04:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 04:04:00,379 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:00,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:04:00,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-02-17 04:04:00,379 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:00,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:00,380 INFO L85 PathProgramCache]: Analyzing trace with hash -564019063, now seen corresponding path program 1 times [2023-02-17 04:04:00,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:00,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440542188] [2023-02-17 04:04:00,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:00,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:00,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:00,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440542188] [2023-02-17 04:04:00,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440542188] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:00,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:00,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-02-17 04:04:00,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977390265] [2023-02-17 04:04:00,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:00,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 04:04:00,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:00,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 04:04:00,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-02-17 04:04:00,615 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:00,744 INFO L93 Difference]: Finished difference Result 141 states and 153 transitions. [2023-02-17 04:04:00,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-17 04:04:00,745 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2023-02-17 04:04:00,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:00,745 INFO L225 Difference]: With dead ends: 141 [2023-02-17 04:04:00,746 INFO L226 Difference]: Without dead ends: 87 [2023-02-17 04:04:00,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2023-02-17 04:04:00,747 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 13 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:00,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 497 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:04:00,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-17 04:04:00,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-02-17 04:04:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 86 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2023-02-17 04:04:00,750 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 19 [2023-02-17 04:04:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:00,751 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2023-02-17 04:04:00,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2023-02-17 04:04:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-17 04:04:00,752 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:00,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:04:00,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-02-17 04:04:00,752 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:00,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash -564013105, now seen corresponding path program 1 times [2023-02-17 04:04:00,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:00,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441272546] [2023-02-17 04:04:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:00,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:00,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:00,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441272546] [2023-02-17 04:04:00,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441272546] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:00,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:00,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:00,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341712693] [2023-02-17 04:04:00,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:00,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:00,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:00,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:00,802 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:00,849 INFO L93 Difference]: Finished difference Result 87 states and 93 transitions. [2023-02-17 04:04:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:00,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2023-02-17 04:04:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:00,850 INFO L225 Difference]: With dead ends: 87 [2023-02-17 04:04:00,850 INFO L226 Difference]: Without dead ends: 86 [2023-02-17 04:04:00,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:00,851 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:00,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:00,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-17 04:04:00,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-02-17 04:04:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.393939393939394) internal successors, (92), 85 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2023-02-17 04:04:00,854 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 19 [2023-02-17 04:04:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:00,854 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2023-02-17 04:04:00,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2023-02-17 04:04:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 04:04:00,855 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:00,855 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] [2023-02-17 04:04:00,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-02-17 04:04:00,855 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:00,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:00,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2040031344, now seen corresponding path program 1 times [2023-02-17 04:04:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:00,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782043643] [2023-02-17 04:04:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:00,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:00,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782043643] [2023-02-17 04:04:00,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782043643] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:00,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:00,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:00,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156169604] [2023-02-17 04:04:00,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:00,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:00,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:00,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:00,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:00,902 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:00,948 INFO L93 Difference]: Finished difference Result 86 states and 92 transitions. [2023-02-17 04:04:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:00,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2023-02-17 04:04:00,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:00,949 INFO L225 Difference]: With dead ends: 86 [2023-02-17 04:04:00,949 INFO L226 Difference]: Without dead ends: 85 [2023-02-17 04:04:00,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:00,950 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:00,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 200 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:00,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-17 04:04:00,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-02-17 04:04:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.378787878787879) internal successors, (91), 84 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2023-02-17 04:04:00,952 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 22 [2023-02-17 04:04:00,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:00,952 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2023-02-17 04:04:00,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2023-02-17 04:04:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 04:04:00,953 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:00,953 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] [2023-02-17 04:04:00,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-02-17 04:04:00,953 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:00,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2040031152, now seen corresponding path program 1 times [2023-02-17 04:04:00,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:00,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473755342] [2023-02-17 04:04:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:00,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:01,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:01,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473755342] [2023-02-17 04:04:01,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473755342] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:01,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:01,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:04:01,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762097675] [2023-02-17 04:04:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:01,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 04:04:01,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:01,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 04:04:01,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:04:01,060 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:01,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:01,137 INFO L93 Difference]: Finished difference Result 135 states and 146 transitions. [2023-02-17 04:04:01,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:04:01,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2023-02-17 04:04:01,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:01,139 INFO L225 Difference]: With dead ends: 135 [2023-02-17 04:04:01,139 INFO L226 Difference]: Without dead ends: 90 [2023-02-17 04:04:01,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:04:01,139 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 3 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:01,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 311 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:04:01,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-02-17 04:04:01,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2023-02-17 04:04:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 86 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2023-02-17 04:04:01,143 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 22 [2023-02-17 04:04:01,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:01,143 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2023-02-17 04:04:01,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2023-02-17 04:04:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-02-17 04:04:01,145 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:01,145 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] [2023-02-17 04:04:01,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-02-17 04:04:01,145 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:01,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:01,146 INFO L85 PathProgramCache]: Analyzing trace with hash -602250506, now seen corresponding path program 1 times [2023-02-17 04:04:01,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:01,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129115533] [2023-02-17 04:04:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:01,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:01,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:01,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129115533] [2023-02-17 04:04:01,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129115533] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:01,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:01,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-02-17 04:04:01,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868651295] [2023-02-17 04:04:01,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:01,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-17 04:04:01,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:01,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-17 04:04:01,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-02-17 04:04:01,427 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:01,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:01,648 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2023-02-17 04:04:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-17 04:04:01,649 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2023-02-17 04:04:01,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:01,649 INFO L225 Difference]: With dead ends: 90 [2023-02-17 04:04:01,649 INFO L226 Difference]: Without dead ends: 89 [2023-02-17 04:04:01,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2023-02-17 04:04:01,650 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 31 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:01,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 517 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:01,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-02-17 04:04:01,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2023-02-17 04:04:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 85 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2023-02-17 04:04:01,652 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 22 [2023-02-17 04:04:01,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:01,652 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2023-02-17 04:04:01,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2023-02-17 04:04:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-17 04:04:01,653 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:01,653 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] [2023-02-17 04:04:01,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-02-17 04:04:01,653 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:01,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1183537882, now seen corresponding path program 1 times [2023-02-17 04:04:01,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:01,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140498043] [2023-02-17 04:04:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:01,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:01,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140498043] [2023-02-17 04:04:01,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140498043] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:01,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:01,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-02-17 04:04:01,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79859030] [2023-02-17 04:04:01,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:01,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-17 04:04:01,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:01,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-17 04:04:01,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-02-17 04:04:01,940 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:02,176 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2023-02-17 04:04:02,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-17 04:04:02,177 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2023-02-17 04:04:02,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:02,177 INFO L225 Difference]: With dead ends: 89 [2023-02-17 04:04:02,177 INFO L226 Difference]: Without dead ends: 88 [2023-02-17 04:04:02,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2023-02-17 04:04:02,178 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 15 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:02,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 576 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:02,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-17 04:04:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-02-17 04:04:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 87 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2023-02-17 04:04:02,180 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 23 [2023-02-17 04:04:02,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:02,180 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2023-02-17 04:04:02,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2023-02-17 04:04:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-17 04:04:02,180 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:02,180 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] [2023-02-17 04:04:02,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-02-17 04:04:02,180 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:02,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1489902348, now seen corresponding path program 1 times [2023-02-17 04:04:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:02,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402707799] [2023-02-17 04:04:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:02,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:02,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402707799] [2023-02-17 04:04:02,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402707799] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:02,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:02,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-02-17 04:04:02,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143139737] [2023-02-17 04:04:02,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:02,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-17 04:04:02,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:02,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-17 04:04:02,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-02-17 04:04:02,463 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:02,690 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2023-02-17 04:04:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-17 04:04:02,691 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2023-02-17 04:04:02,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:02,691 INFO L225 Difference]: With dead ends: 129 [2023-02-17 04:04:02,691 INFO L226 Difference]: Without dead ends: 85 [2023-02-17 04:04:02,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2023-02-17 04:04:02,692 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:02,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 614 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:02,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-17 04:04:02,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-02-17 04:04:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 84 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2023-02-17 04:04:02,694 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 23 [2023-02-17 04:04:02,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:02,694 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2023-02-17 04:04:02,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-02-17 04:04:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-17 04:04:02,694 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:02,694 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] [2023-02-17 04:04:02,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-02-17 04:04:02,695 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:02,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1489896390, now seen corresponding path program 1 times [2023-02-17 04:04:02,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:02,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843094969] [2023-02-17 04:04:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:02,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:02,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:02,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843094969] [2023-02-17 04:04:02,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843094969] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:02,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:02,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:02,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848121433] [2023-02-17 04:04:02,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:02,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:02,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:02,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:02,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:02,737 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:02,780 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2023-02-17 04:04:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:02,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2023-02-17 04:04:02,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:02,781 INFO L225 Difference]: With dead ends: 85 [2023-02-17 04:04:02,781 INFO L226 Difference]: Without dead ends: 84 [2023-02-17 04:04:02,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:02,782 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:02,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:02,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-17 04:04:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-02-17 04:04:02,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 83 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2023-02-17 04:04:02,784 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 23 [2023-02-17 04:04:02,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:02,784 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2023-02-17 04:04:02,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2023-02-17 04:04:02,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-17 04:04:02,785 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:02,785 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] [2023-02-17 04:04:02,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-02-17 04:04:02,786 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:02,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:02,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1390623098, now seen corresponding path program 1 times [2023-02-17 04:04:02,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:02,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318039801] [2023-02-17 04:04:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:02,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:02,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:02,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318039801] [2023-02-17 04:04:02,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318039801] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:02,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:02,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983701624] [2023-02-17 04:04:02,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:02,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:02,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:02,827 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:02,870 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2023-02-17 04:04:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:02,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2023-02-17 04:04:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:02,871 INFO L225 Difference]: With dead ends: 84 [2023-02-17 04:04:02,871 INFO L226 Difference]: Without dead ends: 83 [2023-02-17 04:04:02,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:02,872 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:02,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 188 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:02,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-17 04:04:02,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-02-17 04:04:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 82 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2023-02-17 04:04:02,874 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 26 [2023-02-17 04:04:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:02,875 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2023-02-17 04:04:02,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2023-02-17 04:04:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-17 04:04:02,875 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:02,876 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] [2023-02-17 04:04:02,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-02-17 04:04:02,876 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:02,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:02,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1390623290, now seen corresponding path program 1 times [2023-02-17 04:04:02,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:02,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803241939] [2023-02-17 04:04:02,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:02,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:02,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:02,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803241939] [2023-02-17 04:04:02,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803241939] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:02,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:02,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:04:02,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996205865] [2023-02-17 04:04:02,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:02,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 04:04:02,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 04:04:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:04:02,965 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:03,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:03,060 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2023-02-17 04:04:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:04:03,060 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2023-02-17 04:04:03,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:03,061 INFO L225 Difference]: With dead ends: 123 [2023-02-17 04:04:03,061 INFO L226 Difference]: Without dead ends: 88 [2023-02-17 04:04:03,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:04:03,063 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 3 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:03,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 323 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:04:03,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-02-17 04:04:03,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2023-02-17 04:04:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 84 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2023-02-17 04:04:03,067 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 26 [2023-02-17 04:04:03,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:03,067 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2023-02-17 04:04:03,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-02-17 04:04:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-17 04:04:03,071 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:03,071 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] [2023-02-17 04:04:03,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-02-17 04:04:03,071 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:03,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:03,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1311204134, now seen corresponding path program 1 times [2023-02-17 04:04:03,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:03,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49192987] [2023-02-17 04:04:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:03,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:03,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:03,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49192987] [2023-02-17 04:04:03,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49192987] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:03,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:03,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-02-17 04:04:03,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534506523] [2023-02-17 04:04:03,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:03,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-17 04:04:03,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:03,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-17 04:04:03,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-02-17 04:04:03,463 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:03,775 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2023-02-17 04:04:03,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-17 04:04:03,776 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2023-02-17 04:04:03,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:03,776 INFO L225 Difference]: With dead ends: 88 [2023-02-17 04:04:03,776 INFO L226 Difference]: Without dead ends: 87 [2023-02-17 04:04:03,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2023-02-17 04:04:03,777 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 37 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:03,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 625 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 04:04:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-02-17 04:04:03,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-02-17 04:04:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 83 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2023-02-17 04:04:03,779 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 26 [2023-02-17 04:04:03,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:03,779 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2023-02-17 04:04:03,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2023-02-17 04:04:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-17 04:04:03,779 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:03,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:04:03,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-02-17 04:04:03,780 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:03,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash 159643199, now seen corresponding path program 1 times [2023-02-17 04:04:03,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:03,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714113149] [2023-02-17 04:04:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:03,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:04,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:04,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714113149] [2023-02-17 04:04:04,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714113149] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:04,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:04,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-02-17 04:04:04,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981482266] [2023-02-17 04:04:04,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:04,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-17 04:04:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:04,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-17 04:04:04,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2023-02-17 04:04:04,191 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:04,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:04,452 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2023-02-17 04:04:04,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-02-17 04:04:04,453 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2023-02-17 04:04:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:04,453 INFO L225 Difference]: With dead ends: 87 [2023-02-17 04:04:04,453 INFO L226 Difference]: Without dead ends: 86 [2023-02-17 04:04:04,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2023-02-17 04:04:04,454 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 19 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:04,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 555 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:04,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-17 04:04:04,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-02-17 04:04:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 85 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2023-02-17 04:04:04,456 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 27 [2023-02-17 04:04:04,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:04,456 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2023-02-17 04:04:04,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2023-02-17 04:04:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-17 04:04:04,458 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:04,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:04:04,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-02-17 04:04:04,458 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:04,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:04,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1992628321, now seen corresponding path program 1 times [2023-02-17 04:04:04,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:04,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865991831] [2023-02-17 04:04:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:04,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:04,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:04,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865991831] [2023-02-17 04:04:04,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865991831] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:04,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:04,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-02-17 04:04:04,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331644772] [2023-02-17 04:04:04,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:04,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-02-17 04:04:04,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:04,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-02-17 04:04:04,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2023-02-17 04:04:04,851 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:05,062 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions. [2023-02-17 04:04:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-02-17 04:04:05,062 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2023-02-17 04:04:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:05,063 INFO L225 Difference]: With dead ends: 117 [2023-02-17 04:04:05,063 INFO L226 Difference]: Without dead ends: 83 [2023-02-17 04:04:05,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2023-02-17 04:04:05,064 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 25 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:05,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 503 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-17 04:04:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-02-17 04:04:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 82 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2023-02-17 04:04:05,066 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 27 [2023-02-17 04:04:05,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:05,067 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2023-02-17 04:04:05,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-02-17 04:04:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-02-17 04:04:05,068 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:05,068 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] [2023-02-17 04:04:05,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-02-17 04:04:05,068 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:05,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:05,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1992622363, now seen corresponding path program 1 times [2023-02-17 04:04:05,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:05,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561827092] [2023-02-17 04:04:05,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:05,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:05,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:05,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561827092] [2023-02-17 04:04:05,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561827092] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:05,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:05,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:05,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229561149] [2023-02-17 04:04:05,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:05,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:05,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:05,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:05,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:05,127 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:05,168 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2023-02-17 04:04:05,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:05,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2023-02-17 04:04:05,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:05,169 INFO L225 Difference]: With dead ends: 83 [2023-02-17 04:04:05,169 INFO L226 Difference]: Without dead ends: 82 [2023-02-17 04:04:05,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:05,170 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:05,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:05,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-02-17 04:04:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-02-17 04:04:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 81 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2023-02-17 04:04:05,174 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 27 [2023-02-17 04:04:05,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:05,174 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2023-02-17 04:04:05,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-02-17 04:04:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-17 04:04:05,174 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:05,175 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] [2023-02-17 04:04:05,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-02-17 04:04:05,175 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:05,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:05,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1401872932, now seen corresponding path program 1 times [2023-02-17 04:04:05,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:05,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101651204] [2023-02-17 04:04:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:05,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:05,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101651204] [2023-02-17 04:04:05,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101651204] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:05,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:05,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:05,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782494905] [2023-02-17 04:04:05,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:05,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:05,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:05,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:05,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:05,231 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:05,276 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2023-02-17 04:04:05,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:05,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2023-02-17 04:04:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:05,277 INFO L225 Difference]: With dead ends: 82 [2023-02-17 04:04:05,277 INFO L226 Difference]: Without dead ends: 81 [2023-02-17 04:04:05,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:05,278 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:05,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 176 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:05,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-02-17 04:04:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-02-17 04:04:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 80 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2023-02-17 04:04:05,282 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 30 [2023-02-17 04:04:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:05,282 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2023-02-17 04:04:05,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2023-02-17 04:04:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-17 04:04:05,283 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:05,283 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] [2023-02-17 04:04:05,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-02-17 04:04:05,284 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1401873124, now seen corresponding path program 1 times [2023-02-17 04:04:05,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:05,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835543244] [2023-02-17 04:04:05,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:05,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:05,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:05,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835543244] [2023-02-17 04:04:05,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835543244] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:05,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:05,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-17 04:04:05,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672248237] [2023-02-17 04:04:05,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:05,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 04:04:05,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:05,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 04:04:05,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:04:05,386 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:05,455 INFO L93 Difference]: Finished difference Result 111 states and 118 transitions. [2023-02-17 04:04:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:04:05,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2023-02-17 04:04:05,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:05,458 INFO L225 Difference]: With dead ends: 111 [2023-02-17 04:04:05,458 INFO L226 Difference]: Without dead ends: 86 [2023-02-17 04:04:05,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:04:05,459 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:05,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 271 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:04:05,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-17 04:04:05,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2023-02-17 04:04:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 82 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2023-02-17 04:04:05,461 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 30 [2023-02-17 04:04:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:05,461 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2023-02-17 04:04:05,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-02-17 04:04:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-17 04:04:05,462 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:05,462 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] [2023-02-17 04:04:05,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-02-17 04:04:05,462 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:05,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:05,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1469689730, now seen corresponding path program 1 times [2023-02-17 04:04:05,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:05,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362606992] [2023-02-17 04:04:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:05,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:05,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362606992] [2023-02-17 04:04:05,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362606992] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:05,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:05,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-02-17 04:04:05,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095095876] [2023-02-17 04:04:05,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:05,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-17 04:04:05,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:05,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-17 04:04:05,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2023-02-17 04:04:05,871 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:06,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:06,194 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2023-02-17 04:04:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-17 04:04:06,195 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2023-02-17 04:04:06,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:06,195 INFO L225 Difference]: With dead ends: 86 [2023-02-17 04:04:06,195 INFO L226 Difference]: Without dead ends: 85 [2023-02-17 04:04:06,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2023-02-17 04:04:06,196 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 41 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:06,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 577 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 04:04:06,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-17 04:04:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2023-02-17 04:04:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 81 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2023-02-17 04:04:06,199 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 30 [2023-02-17 04:04:06,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:06,199 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2023-02-17 04:04:06,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-02-17 04:04:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-17 04:04:06,199 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:06,199 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] [2023-02-17 04:04:06,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-02-17 04:04:06,200 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:06,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:06,200 INFO L85 PathProgramCache]: Analyzing trace with hash 508388068, now seen corresponding path program 1 times [2023-02-17 04:04:06,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:06,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705504500] [2023-02-17 04:04:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:06,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:06,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705504500] [2023-02-17 04:04:06,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705504500] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:06,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:06,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-02-17 04:04:06,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504881015] [2023-02-17 04:04:06,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:06,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-02-17 04:04:06,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:06,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-02-17 04:04:06,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2023-02-17 04:04:06,635 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:06,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:06,902 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2023-02-17 04:04:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-17 04:04:06,902 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2023-02-17 04:04:06,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:06,903 INFO L225 Difference]: With dead ends: 85 [2023-02-17 04:04:06,903 INFO L226 Difference]: Without dead ends: 84 [2023-02-17 04:04:06,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2023-02-17 04:04:06,904 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 28 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:06,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 493 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:06,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-17 04:04:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-02-17 04:04:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.1891891891891893) internal successors, (88), 83 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2023-02-17 04:04:06,906 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 31 [2023-02-17 04:04:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:06,906 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2023-02-17 04:04:06,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2023-02-17 04:04:06,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-17 04:04:06,906 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:06,906 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] [2023-02-17 04:04:06,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-02-17 04:04:06,907 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:06,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:06,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1684252810, now seen corresponding path program 1 times [2023-02-17 04:04:06,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:06,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150839885] [2023-02-17 04:04:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:07,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:07,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150839885] [2023-02-17 04:04:07,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150839885] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:07,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:07,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-02-17 04:04:07,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14563991] [2023-02-17 04:04:07,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:07,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-17 04:04:07,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:07,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-17 04:04:07,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-02-17 04:04:07,312 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:07,655 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2023-02-17 04:04:07,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-17 04:04:07,655 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2023-02-17 04:04:07,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:07,656 INFO L225 Difference]: With dead ends: 94 [2023-02-17 04:04:07,656 INFO L226 Difference]: Without dead ends: 93 [2023-02-17 04:04:07,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2023-02-17 04:04:07,657 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 35 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:07,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 674 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 04:04:07,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-02-17 04:04:07,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2023-02-17 04:04:07,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 80 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2023-02-17 04:04:07,659 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 31 [2023-02-17 04:04:07,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:07,659 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2023-02-17 04:04:07,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2023-02-17 04:04:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-17 04:04:07,659 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:07,659 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] [2023-02-17 04:04:07,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-02-17 04:04:07,659 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:07,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:07,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1684258768, now seen corresponding path program 1 times [2023-02-17 04:04:07,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:07,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549354273] [2023-02-17 04:04:07,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:07,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:07,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:07,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549354273] [2023-02-17 04:04:07,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549354273] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:07,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:07,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:07,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508428654] [2023-02-17 04:04:07,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:07,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:07,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:07,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:07,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:07,704 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:07,750 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2023-02-17 04:04:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2023-02-17 04:04:07,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:07,751 INFO L225 Difference]: With dead ends: 81 [2023-02-17 04:04:07,751 INFO L226 Difference]: Without dead ends: 80 [2023-02-17 04:04:07,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:07,752 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:07,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-17 04:04:07,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-02-17 04:04:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 79 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2023-02-17 04:04:07,755 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 31 [2023-02-17 04:04:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:07,755 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2023-02-17 04:04:07,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-02-17 04:04:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-17 04:04:07,756 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:07,756 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] [2023-02-17 04:04:07,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-02-17 04:04:07,756 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1334391182, now seen corresponding path program 1 times [2023-02-17 04:04:07,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:07,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771126478] [2023-02-17 04:04:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:07,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:07,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771126478] [2023-02-17 04:04:07,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771126478] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:07,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:07,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:07,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495719143] [2023-02-17 04:04:07,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:07,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:07,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:07,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:07,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:07,800 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:07,849 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2023-02-17 04:04:07,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:07,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2023-02-17 04:04:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:07,850 INFO L225 Difference]: With dead ends: 80 [2023-02-17 04:04:07,850 INFO L226 Difference]: Without dead ends: 79 [2023-02-17 04:04:07,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:07,859 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:07,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 164 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-02-17 04:04:07,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-02-17 04:04:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 78 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2023-02-17 04:04:07,862 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 34 [2023-02-17 04:04:07,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:07,863 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2023-02-17 04:04:07,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2023-02-17 04:04:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-17 04:04:07,864 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:07,864 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] [2023-02-17 04:04:07,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-02-17 04:04:07,864 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1334391374, now seen corresponding path program 1 times [2023-02-17 04:04:07,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:07,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806960225] [2023-02-17 04:04:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:08,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:08,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806960225] [2023-02-17 04:04:08,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806960225] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:08,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:08,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-02-17 04:04:08,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12982488] [2023-02-17 04:04:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:08,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-17 04:04:08,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:08,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-17 04:04:08,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2023-02-17 04:04:08,374 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:08,662 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2023-02-17 04:04:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-17 04:04:08,662 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2023-02-17 04:04:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:08,663 INFO L225 Difference]: With dead ends: 101 [2023-02-17 04:04:08,663 INFO L226 Difference]: Without dead ends: 86 [2023-02-17 04:04:08,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2023-02-17 04:04:08,664 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 30 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:08,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 457 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-02-17 04:04:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2023-02-17 04:04:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.144736842105263) internal successors, (87), 82 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2023-02-17 04:04:08,665 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 34 [2023-02-17 04:04:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:08,666 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2023-02-17 04:04:08,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-02-17 04:04:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-17 04:04:08,666 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:08,666 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] [2023-02-17 04:04:08,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-02-17 04:04:08,666 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:08,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1767654120, now seen corresponding path program 1 times [2023-02-17 04:04:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:08,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011966073] [2023-02-17 04:04:08,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:08,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:09,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:09,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011966073] [2023-02-17 04:04:09,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011966073] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:09,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:09,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-02-17 04:04:09,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422013228] [2023-02-17 04:04:09,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:09,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-17 04:04:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-17 04:04:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2023-02-17 04:04:09,102 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:09,368 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2023-02-17 04:04:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-02-17 04:04:09,369 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2023-02-17 04:04:09,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:09,369 INFO L225 Difference]: With dead ends: 103 [2023-02-17 04:04:09,369 INFO L226 Difference]: Without dead ends: 81 [2023-02-17 04:04:09,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2023-02-17 04:04:09,370 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 24 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:09,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 486 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-02-17 04:04:09,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-02-17 04:04:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.135135135135135) internal successors, (84), 80 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 84 transitions. [2023-02-17 04:04:09,372 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 84 transitions. Word has length 34 [2023-02-17 04:04:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:09,372 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 84 transitions. [2023-02-17 04:04:09,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions. [2023-02-17 04:04:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-17 04:04:09,372 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:09,372 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] [2023-02-17 04:04:09,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-02-17 04:04:09,372 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:09,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1945148898, now seen corresponding path program 1 times [2023-02-17 04:04:09,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:09,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776624728] [2023-02-17 04:04:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:09,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:09,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776624728] [2023-02-17 04:04:09,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776624728] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:09,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:09,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-02-17 04:04:09,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668147552] [2023-02-17 04:04:09,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:09,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-17 04:04:09,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:09,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-17 04:04:09,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2023-02-17 04:04:09,988 INFO L87 Difference]: Start difference. First operand 81 states and 84 transitions. Second operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:10,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:10,339 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2023-02-17 04:04:10,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-02-17 04:04:10,339 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2023-02-17 04:04:10,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:10,340 INFO L225 Difference]: With dead ends: 84 [2023-02-17 04:04:10,340 INFO L226 Difference]: Without dead ends: 83 [2023-02-17 04:04:10,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=893, Unknown=0, NotChecked=0, Total=1056 [2023-02-17 04:04:10,341 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 39 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:10,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 509 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-17 04:04:10,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-02-17 04:04:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-02-17 04:04:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 79 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2023-02-17 04:04:10,343 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 34 [2023-02-17 04:04:10,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:10,344 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2023-02-17 04:04:10,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2023-02-17 04:04:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-17 04:04:10,344 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:10,344 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] [2023-02-17 04:04:10,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-02-17 04:04:10,345 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:10,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:10,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1583546167, now seen corresponding path program 1 times [2023-02-17 04:04:10,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:10,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966307754] [2023-02-17 04:04:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:10,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:10,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:10,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966307754] [2023-02-17 04:04:10,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966307754] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:10,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:10,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-02-17 04:04:10,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051045965] [2023-02-17 04:04:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:10,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-17 04:04:10,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:10,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-17 04:04:10,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2023-02-17 04:04:10,847 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:11,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:11,159 INFO L93 Difference]: Finished difference Result 83 states and 86 transitions. [2023-02-17 04:04:11,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-02-17 04:04:11,160 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2023-02-17 04:04:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:11,160 INFO L225 Difference]: With dead ends: 83 [2023-02-17 04:04:11,161 INFO L226 Difference]: Without dead ends: 82 [2023-02-17 04:04:11,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2023-02-17 04:04:11,162 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 39 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:11,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 445 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:11,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-02-17 04:04:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-02-17 04:04:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 76 states have (on average 1.118421052631579) internal successors, (85), 81 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2023-02-17 04:04:11,164 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 35 [2023-02-17 04:04:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:11,164 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2023-02-17 04:04:11,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2023-02-17 04:04:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-17 04:04:11,165 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:11,165 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] [2023-02-17 04:04:11,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-02-17 04:04:11,165 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:11,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:11,166 INFO L85 PathProgramCache]: Analyzing trace with hash 170067893, now seen corresponding path program 1 times [2023-02-17 04:04:11,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:11,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166930785] [2023-02-17 04:04:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:11,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:11,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:11,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:11,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166930785] [2023-02-17 04:04:11,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166930785] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:11,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:11,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-02-17 04:04:11,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021585233] [2023-02-17 04:04:11,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:11,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-17 04:04:11,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:11,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-17 04:04:11,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2023-02-17 04:04:11,699 INFO L87 Difference]: Start difference. First operand 82 states and 85 transitions. Second operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:12,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:12,008 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2023-02-17 04:04:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-17 04:04:12,009 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2023-02-17 04:04:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:12,009 INFO L225 Difference]: With dead ends: 93 [2023-02-17 04:04:12,009 INFO L226 Difference]: Without dead ends: 79 [2023-02-17 04:04:12,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2023-02-17 04:04:12,010 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 40 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:12,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 517 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 04:04:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-02-17 04:04:12,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-02-17 04:04:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 78 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2023-02-17 04:04:12,012 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 35 [2023-02-17 04:04:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:12,012 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2023-02-17 04:04:12,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2023-02-17 04:04:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-17 04:04:12,013 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:12,013 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] [2023-02-17 04:04:12,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-02-17 04:04:12,013 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash 170073851, now seen corresponding path program 1 times [2023-02-17 04:04:12,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:12,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880502436] [2023-02-17 04:04:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:12,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:12,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:12,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880502436] [2023-02-17 04:04:12,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880502436] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:12,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:12,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:04:12,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702575920] [2023-02-17 04:04:12,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:12,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:04:12,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:12,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:04:12,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:12,064 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:12,108 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2023-02-17 04:04:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:04:12,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2023-02-17 04:04:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:12,109 INFO L225 Difference]: With dead ends: 79 [2023-02-17 04:04:12,109 INFO L226 Difference]: Without dead ends: 78 [2023-02-17 04:04:12,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:04:12,110 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:12,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:04:12,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-02-17 04:04:12,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-02-17 04:04:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 74 states have (on average 1.0810810810810811) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2023-02-17 04:04:12,112 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 35 [2023-02-17 04:04:12,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:12,112 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2023-02-17 04:04:12,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2023-02-17 04:04:12,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-17 04:04:12,113 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:12,113 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] [2023-02-17 04:04:12,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-02-17 04:04:12,113 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:12,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1770415762, now seen corresponding path program 1 times [2023-02-17 04:04:12,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:12,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353498236] [2023-02-17 04:04:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:04:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 04:04:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:04:13,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353498236] [2023-02-17 04:04:13,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353498236] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:04:13,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:04:13,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-02-17 04:04:13,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615508829] [2023-02-17 04:04:13,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:04:13,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-02-17 04:04:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:04:13,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-02-17 04:04:13,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2023-02-17 04:04:13,068 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:04:13,858 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2023-02-17 04:04:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-17 04:04:13,858 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2023-02-17 04:04:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:04:13,859 INFO L225 Difference]: With dead ends: 96 [2023-02-17 04:04:13,859 INFO L226 Difference]: Without dead ends: 95 [2023-02-17 04:04:13,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=364, Invalid=2186, Unknown=0, NotChecked=0, Total=2550 [2023-02-17 04:04:13,860 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 104 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-17 04:04:13,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 216 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-17 04:04:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-17 04:04:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2023-02-17 04:04:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 78 states have (on average 1.0897435897435896) internal successors, (85), 81 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2023-02-17 04:04:13,862 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 39 [2023-02-17 04:04:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:04:13,862 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2023-02-17 04:04:13,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 1.5) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:04:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2023-02-17 04:04:13,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-17 04:04:13,862 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:04:13,862 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] [2023-02-17 04:04:13,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-02-17 04:04:13,863 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-02-17 04:04:13,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:04:13,863 INFO L85 PathProgramCache]: Analyzing trace with hash -176075104, now seen corresponding path program 1 times [2023-02-17 04:04:13,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:04:13,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512550930] [2023-02-17 04:04:13,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:04:13,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:04:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:04:13,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-17 04:04:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-17 04:04:13,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-17 04:04:13,957 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-17 04:04:13,957 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 36 remaining) [2023-02-17 04:04:13,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 36 remaining) [2023-02-17 04:04:13,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 36 remaining) [2023-02-17 04:04:13,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 36 remaining) [2023-02-17 04:04:13,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 36 remaining) [2023-02-17 04:04:13,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 36 remaining) [2023-02-17 04:04:13,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 36 remaining) [2023-02-17 04:04:13,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 36 remaining) [2023-02-17 04:04:13,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 36 remaining) [2023-02-17 04:04:13,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 36 remaining) [2023-02-17 04:04:13,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 36 remaining) [2023-02-17 04:04:13,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 36 remaining) [2023-02-17 04:04:13,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 36 remaining) [2023-02-17 04:04:13,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 36 remaining) [2023-02-17 04:04:13,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 36 remaining) [2023-02-17 04:04:13,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 36 remaining) [2023-02-17 04:04:13,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 36 remaining) [2023-02-17 04:04:13,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 36 remaining) [2023-02-17 04:04:13,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 36 remaining) [2023-02-17 04:04:13,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 36 remaining) [2023-02-17 04:04:13,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 36 remaining) [2023-02-17 04:04:13,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 36 remaining) [2023-02-17 04:04:13,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 36 remaining) [2023-02-17 04:04:13,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 36 remaining) [2023-02-17 04:04:13,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 36 remaining) [2023-02-17 04:04:13,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 36 remaining) [2023-02-17 04:04:13,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 36 remaining) [2023-02-17 04:04:13,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 36 remaining) [2023-02-17 04:04:13,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 36 remaining) [2023-02-17 04:04:13,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 36 remaining) [2023-02-17 04:04:13,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 36 remaining) [2023-02-17 04:04:13,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 36 remaining) [2023-02-17 04:04:13,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 36 remaining) [2023-02-17 04:04:13,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 36 remaining) [2023-02-17 04:04:13,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 36 remaining) [2023-02-17 04:04:13,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 36 remaining) [2023-02-17 04:04:13,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-02-17 04:04:13,969 INFO L445 BasicCegarLoop]: Path program 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] [2023-02-17 04:04:13,972 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 04:04:14,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 04:04:14 BoogieIcfgContainer [2023-02-17 04:04:14,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 04:04:14,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 04:04:14,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 04:04:14,038 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 04:04:14,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:03:54" (3/4) ... [2023-02-17 04:04:14,040 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-17 04:04:14,084 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 04:04:14,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 04:04:14,086 INFO L158 Benchmark]: Toolchain (without parser) took 20117.16ms. Allocated memory was 138.4MB in the beginning and 360.7MB in the end (delta: 222.3MB). Free memory was 92.9MB in the beginning and 249.8MB in the end (delta: -157.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,087 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:04:14,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.93ms. Allocated memory is still 138.4MB. Free memory was 92.5MB in the beginning and 76.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.95ms. Allocated memory is still 138.4MB. Free memory was 76.1MB in the beginning and 73.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,087 INFO L158 Benchmark]: Boogie Preprocessor took 26.97ms. Allocated memory is still 138.4MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,087 INFO L158 Benchmark]: RCFGBuilder took 488.61ms. Allocated memory is still 138.4MB. Free memory was 72.3MB in the beginning and 108.3MB in the end (delta: -36.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,087 INFO L158 Benchmark]: TraceAbstraction took 19149.98ms. Allocated memory was 138.4MB in the beginning and 360.7MB in the end (delta: 222.3MB). Free memory was 107.6MB in the beginning and 254.0MB in the end (delta: -146.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,088 INFO L158 Benchmark]: Witness Printer took 48.35ms. Allocated memory is still 360.7MB. Free memory was 254.0MB in the beginning and 249.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-17 04:04:14,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.93ms. Allocated memory is still 138.4MB. Free memory was 92.5MB in the beginning and 76.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.95ms. Allocated memory is still 138.4MB. Free memory was 76.1MB in the beginning and 73.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.97ms. Allocated memory is still 138.4MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.61ms. Allocated memory is still 138.4MB. Free memory was 72.3MB in the beginning and 108.3MB in the end (delta: -36.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 19149.98ms. Allocated memory was 138.4MB in the beginning and 360.7MB in the end (delta: 222.3MB). Free memory was 107.6MB in the beginning and 254.0MB in the end (delta: -146.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Witness Printer took 48.35ms. Allocated memory is still 360.7MB. Free memory was 254.0MB in the beginning and 249.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 601]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] int* y = __builtin_alloca (sizeof(int)); [L550] int* z = __builtin_alloca (sizeof(int)); [L551] int* m = __builtin_alloca (sizeof(int)); [L552] int* n = __builtin_alloca (sizeof(int)); [L553] *y = __VERIFIER_nondet_int() [L554] *z = __VERIFIER_nondet_int() [L555] COND FALSE !(__VERIFIER_nondet_int()) [L558] *x = -1 VAL [__builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L560] EXPR \read(*x) VAL [\read(*x)=-1, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L560] COND FALSE !(*x > 0) [L563] EXPR \read(*x) [L563] (*x)-- [L565] EXPR \read(*x) VAL [\read(*x)=-2, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L565] COND FALSE !(*x > 0) [L568] EXPR \read(*x) [L568] (*x)-- [L570] EXPR \read(*x) VAL [\read(*x)=-3, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L570] COND FALSE !(*x > 0) [L573] EXPR \read(*x) [L573] (*x)-- [L575] EXPR \read(*x) VAL [\read(*x)=-4, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L575] COND FALSE !(*x > 0) [L578] EXPR \read(*x) [L578] (*x)-- [L580] EXPR \read(*x) VAL [\read(*x)=-5, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L580] COND FALSE !(*x > 0) [L583] EXPR \read(*x) [L583] (*x)-- [L585] EXPR \read(*x) VAL [\read(*x)=-6, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L585] COND FALSE !(*x > 0) [L588] EXPR \read(*x) [L588] (*x)-- [L590] EXPR \read(*x) VAL [\read(*x)=-7, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L590] COND FALSE !(*x > 0) [L593] EXPR \read(*x) [L593] (*x)-- [L595] EXPR \read(*x) VAL [\read(*x)=-8, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L595] COND FALSE !(*x > 0) [L598] EXPR \read(*x) [L598] (*x)-- [L600] EXPR \read(*y) [L600] *y < 100 && *z < 100 [L600] EXPR \read(*z) [L600] *y < 100 && *z < 100 VAL [*y < 100 && *z < 100=1, \read(*y)=-2147483640, \read(*z)=-9, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L600] COND TRUE *y < 100 && *z < 100 [L601] EXPR \read(*y) [L601] EXPR \read(*x) VAL [\read(*x)=-9, \read(*y)=-2147483640, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] [L601] *y + *x VAL [\read(*x)=-9, \read(*y)=-2147483640, __builtin_alloca (sizeof(int))={5:0}, __builtin_alloca (sizeof(int))={2:0}, __builtin_alloca (sizeof(int))={3:0}, __builtin_alloca (sizeof(int))={7:0}, __builtin_alloca (sizeof(int))={6:0}, m={5:0}, n={3:0}, x={6:0}, y={7:0}, z={2:0}] - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 566]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 581]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 591]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 596]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 598]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 601]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 602]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 19.0s, OverallIterations: 51, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 723 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 723 mSDsluCounter, 17948 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14190 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12213 IncrementalHoareTripleChecker+Invalid, 12298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 3758 mSDtfsCounter, 12213 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 638 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 583 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2170 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 537, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 50 MinimizatonAttempts, 73 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1007 ConstructedInterpolants, 0 QuantifiedInterpolants, 4931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 50 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-17 04:04:14,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)