./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/a.06.c --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-restricted-15/a.06.c -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 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 04:06:41,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 04:06:41,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 04:06:41,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 04:06:41,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 04:06:41,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 04:06:41,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 04:06:41,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 04:06:41,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 04:06:41,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 04:06:41,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 04:06:41,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 04:06:41,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 04:06:41,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 04:06:41,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 04:06:41,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 04:06:41,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 04:06:41,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 04:06:41,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 04:06:41,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 04:06:41,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 04:06:41,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 04:06:41,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 04:06:41,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 04:06:41,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 04:06:41,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 04:06:41,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 04:06:41,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 04:06:41,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 04:06:41,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 04:06:41,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 04:06:41,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 04:06:41,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 04:06:41,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 04:06:41,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 04:06:41,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 04:06:41,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 04:06:41,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 04:06:41,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 04:06:41,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 04:06:41,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 04:06:41,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 04:06:41,355 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 04:06:41,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 04:06:41,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 04:06:41,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 04:06:41,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 04:06:41,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 04:06:41,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 04:06:41,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 04:06:41,365 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 04:06:41,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 04:06:41,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 04:06:41,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 04:06:41,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 04:06:41,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 04:06:41,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 04:06:41,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 04:06:41,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 04:06:41,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:06:41,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 04:06:41,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 04:06:41,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 04:06:41,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 04:06:41,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 04:06:41,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 04:06:41,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 04:06:41,369 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 04:06:41,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 04:06:41,370 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 04:06:41,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2023-02-17 04:06:41,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 04:06:41,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 04:06:41,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 04:06:41,651 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 04:06:41,651 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 04:06:41,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/a.06.c [2023-02-17 04:06:42,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 04:06:42,831 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 04:06:42,832 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/a.06.c [2023-02-17 04:06:42,835 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b9f3a13c/f8e53b0f22b449a787f33075f0bf87f3/FLAGdb4dd98f9 [2023-02-17 04:06:43,265 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b9f3a13c/f8e53b0f22b449a787f33075f0bf87f3 [2023-02-17 04:06:43,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 04:06:43,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 04:06:43,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 04:06:43,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 04:06:43,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 04:06:43,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7e3403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43, skipping insertion in model container [2023-02-17 04:06:43,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 04:06:43,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 04:06:43,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:06:43,447 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 04:06:43,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 04:06:43,467 INFO L208 MainTranslator]: Completed translation [2023-02-17 04:06:43,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43 WrapperNode [2023-02-17 04:06:43,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 04:06:43,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 04:06:43,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 04:06:43,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 04:06:43,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,488 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-02-17 04:06:43,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 04:06:43,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 04:06:43,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 04:06:43,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 04:06:43,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 04:06:43,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 04:06:43,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 04:06:43,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 04:06:43,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (1/1) ... [2023-02-17 04:06:43,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 04:06:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 04:06:43,538 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 04:06:43,542 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 04:06:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 04:06:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 04:06:43,609 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 04:06:43,610 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 04:06:43,731 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 04:06:43,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 04:06:43,748 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 04:06:43,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:43 BoogieIcfgContainer [2023-02-17 04:06:43,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 04:06:43,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 04:06:43,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 04:06:43,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 04:06:43,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 04:06:43" (1/3) ... [2023-02-17 04:06:43,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae0f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:06:43, skipping insertion in model container [2023-02-17 04:06:43,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 04:06:43" (2/3) ... [2023-02-17 04:06:43,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae0f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 04:06:43, skipping insertion in model container [2023-02-17 04:06:43,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:43" (3/3) ... [2023-02-17 04:06:43,756 INFO L112 eAbstractionObserver]: Analyzing ICFG a.06.c [2023-02-17 04:06:43,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 04:06:43,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-02-17 04:06:43,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 04:06:43,825 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;@75d34c76, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 04:06:43,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-02-17 04:06:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 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 04:06:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-17 04:06:43,835 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:43,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-17 04:06:43,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:43,839 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2023-02-17 04:06:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:43,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800601311] [2023-02-17 04:06:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,015 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 04:06:44,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800601311] [2023-02-17 04:06:44,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800601311] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:44,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057193870] [2023-02-17 04:06:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:44,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:44,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:44,050 INFO L87 Difference]: Start difference. First operand has 35 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 04:06:44,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,119 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2023-02-17 04:06:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:44,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2023-02-17 04:06:44,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,130 INFO L225 Difference]: With dead ends: 39 [2023-02-17 04:06:44,132 INFO L226 Difference]: Without dead ends: 29 [2023-02-17 04:06:44,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:44,137 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 32 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:06:44,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-17 04:06:44,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-17 04:06:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 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 04:06:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-02-17 04:06:44,167 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 5 [2023-02-17 04:06:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,168 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-02-17 04:06:44,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 04:06:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-02-17 04:06:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 04:06:44,169 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 04:06:44,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2023-02-17 04:06:44,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94442979] [2023-02-17 04:06:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,227 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 04:06:44,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94442979] [2023-02-17 04:06:44,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94442979] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:06:44,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215037989] [2023-02-17 04:06:44,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:06:44,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:06:44,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:06:44,232 INFO L87 Difference]: Start difference. First operand 29 states and 33 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 04:06:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,280 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2023-02-17 04:06:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:06:44,280 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 04:06:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,281 INFO L225 Difference]: With dead ends: 52 [2023-02-17 04:06:44,281 INFO L226 Difference]: Without dead ends: 49 [2023-02-17 04:06:44,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:06:44,282 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 48 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 44 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:44,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-02-17 04:06:44,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2023-02-17 04:06:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.5263157894736843) internal successors, (58), 44 states have internal predecessors, (58), 0 states have call successors, (0), 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 04:06:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2023-02-17 04:06:44,287 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 6 [2023-02-17 04:06:44,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,287 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2023-02-17 04:06:44,287 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 04:06:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-02-17 04:06:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 04:06:44,288 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 04:06:44,289 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2023-02-17 04:06:44,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542854407] [2023-02-17 04:06:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,319 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 04:06:44,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542854407] [2023-02-17 04:06:44,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542854407] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:06:44,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205745551] [2023-02-17 04:06:44,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:06:44,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:06:44,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:06:44,322 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 04:06:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,353 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2023-02-17 04:06:44,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 04:06:44,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2023-02-17 04:06:44,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,354 INFO L225 Difference]: With dead ends: 101 [2023-02-17 04:06:44,355 INFO L226 Difference]: Without dead ends: 58 [2023-02-17 04:06:44,355 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 04:06:44,356 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 74 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-02-17 04:06:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 47. [2023-02-17 04:06:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 40 states have (on average 1.475) internal successors, (59), 46 states have internal predecessors, (59), 0 states have call successors, (0), 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 04:06:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2023-02-17 04:06:44,361 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 9 [2023-02-17 04:06:44,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,361 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2023-02-17 04:06:44,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 04:06:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-02-17 04:06:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 04:06:44,362 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 04:06:44,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2023-02-17 04:06:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009634149] [2023-02-17 04:06:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,405 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 04:06:44,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009634149] [2023-02-17 04:06:44,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009634149] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:44,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658966626] [2023-02-17 04:06:44,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:44,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:44,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:44,407 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 04:06:44,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,422 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2023-02-17 04:06:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:44,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2023-02-17 04:06:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,423 INFO L225 Difference]: With dead ends: 47 [2023-02-17 04:06:44,423 INFO L226 Difference]: Without dead ends: 45 [2023-02-17 04:06:44,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:44,425 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-02-17 04:06:44,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 28. [2023-02-17 04:06:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.391304347826087) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 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 04:06:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-02-17 04:06:44,428 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 9 [2023-02-17 04:06:44,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,428 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-02-17 04:06:44,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 04:06:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-02-17 04:06:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 04:06:44,429 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 04:06:44,430 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2023-02-17 04:06:44,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119455840] [2023-02-17 04:06:44,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,478 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 04:06:44,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119455840] [2023-02-17 04:06:44,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119455840] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 04:06:44,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728883957] [2023-02-17 04:06:44,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 04:06:44,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 04:06:44,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:44,480 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 04:06:44,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,530 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2023-02-17 04:06:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 04:06:44,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 04:06:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,531 INFO L225 Difference]: With dead ends: 67 [2023-02-17 04:06:44,531 INFO L226 Difference]: Without dead ends: 41 [2023-02-17 04:06:44,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:06:44,532 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 33 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 58 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:44,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-17 04:06:44,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-02-17 04:06:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 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 04:06:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-02-17 04:06:44,540 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 11 [2023-02-17 04:06:44,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,540 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-02-17 04:06:44,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 04:06:44,540 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-02-17 04:06:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-17 04:06:44,541 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-17 04:06:44,541 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2023-02-17 04:06:44,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278099252] [2023-02-17 04:06:44,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,593 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 04:06:44,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278099252] [2023-02-17 04:06:44,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278099252] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:06:44,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473600697] [2023-02-17 04:06:44,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:06:44,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:06:44,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:06:44,596 INFO L87 Difference]: Start difference. First operand 39 states and 46 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 04:06:44,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,660 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2023-02-17 04:06:44,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:06:44,660 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 04:06:44,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,661 INFO L225 Difference]: With dead ends: 59 [2023-02-17 04:06:44,661 INFO L226 Difference]: Without dead ends: 57 [2023-02-17 04:06:44,662 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 04:06:44,662 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 51 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 31 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:06:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-17 04:06:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2023-02-17 04:06:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.26) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 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 04:06:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-02-17 04:06:44,681 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 11 [2023-02-17 04:06:44,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,681 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-02-17 04:06:44,681 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 04:06:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2023-02-17 04:06:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-17 04:06:44,682 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-17 04:06:44,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2023-02-17 04:06:44,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231600414] [2023-02-17 04:06:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,728 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 04:06:44,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231600414] [2023-02-17 04:06:44,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231600414] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:06:44,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873024387] [2023-02-17 04:06:44,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 04:06:44,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 04:06:44,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:44,731 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 04:06:44,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,772 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-02-17 04:06:44,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 04:06:44,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2023-02-17 04:06:44,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,774 INFO L225 Difference]: With dead ends: 63 [2023-02-17 04:06:44,774 INFO L226 Difference]: Without dead ends: 62 [2023-02-17 04:06:44,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:06:44,775 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 34 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 24 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-17 04:06:44,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2023-02-17 04:06:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 57 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 04:06:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2023-02-17 04:06:44,779 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 12 [2023-02-17 04:06:44,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,780 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2023-02-17 04:06:44,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 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 04:06:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-02-17 04:06:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-17 04:06:44,780 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-17 04:06:44,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2023-02-17 04:06:44,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931177208] [2023-02-17 04:06:44,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,841 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 04:06:44,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931177208] [2023-02-17 04:06:44,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931177208] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 04:06:44,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084820941] [2023-02-17 04:06:44,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-17 04:06:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-17 04:06:44,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-17 04:06:44,851 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 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 04:06:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,914 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2023-02-17 04:06:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 04:06:44,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2023-02-17 04:06:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,929 INFO L225 Difference]: With dead ends: 103 [2023-02-17 04:06:44,929 INFO L226 Difference]: Without dead ends: 102 [2023-02-17 04:06:44,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-02-17 04:06:44,930 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 48 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 04:06:44,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-02-17 04:06:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 41. [2023-02-17 04:06:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.263157894736842) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 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 04:06:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-02-17 04:06:44,935 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 13 [2023-02-17 04:06:44,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,935 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-02-17 04:06:44,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 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 04:06:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-02-17 04:06:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-17 04:06:44,936 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-17 04:06:44,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash 234652576, now seen corresponding path program 1 times [2023-02-17 04:06:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468634563] [2023-02-17 04:06:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:44,956 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 04:06:44,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:44,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468634563] [2023-02-17 04:06:44,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468634563] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:44,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:44,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 04:06:44,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142331456] [2023-02-17 04:06:44,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:44,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:44,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:44,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:44,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:44,959 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 04:06:44,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:44,963 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2023-02-17 04:06:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:44,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2023-02-17 04:06:44,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:44,974 INFO L225 Difference]: With dead ends: 82 [2023-02-17 04:06:44,974 INFO L226 Difference]: Without dead ends: 41 [2023-02-17 04:06:44,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:44,975 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:44,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:44,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-17 04:06:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-17 04:06:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 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 04:06:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-02-17 04:06:44,978 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2023-02-17 04:06:44,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:44,978 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-02-17 04:06:44,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 04:06:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-02-17 04:06:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-17 04:06:44,979 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:44,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:44,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-17 04:06:44,979 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:44,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2023-02-17 04:06:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:44,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147169557] [2023-02-17 04:06:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:45,017 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 04:06:45,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:45,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147169557] [2023-02-17 04:06:45,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147169557] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:45,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:45,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:06:45,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102090358] [2023-02-17 04:06:45,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:45,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 04:06:45,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 04:06:45,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:45,019 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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 04:06:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:45,051 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2023-02-17 04:06:45,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 04:06:45,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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 04:06:45,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:45,052 INFO L225 Difference]: With dead ends: 42 [2023-02-17 04:06:45,052 INFO L226 Difference]: Without dead ends: 41 [2023-02-17 04:06:45,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:06:45,053 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 35 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:45,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 31 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:45,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-17 04:06:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-17 04:06:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 40 states have internal predecessors, (44), 0 states have call successors, (0), 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 04:06:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2023-02-17 04:06:45,056 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 14 [2023-02-17 04:06:45,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:45,056 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2023-02-17 04:06:45,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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 04:06:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-02-17 04:06:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-17 04:06:45,057 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:45,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:45,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-02-17 04:06:45,057 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:45,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:45,057 INFO L85 PathProgramCache]: Analyzing trace with hash 334166611, now seen corresponding path program 1 times [2023-02-17 04:06:45,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:45,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309191603] [2023-02-17 04:06:45,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:45,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:45,075 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 04:06:45,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:45,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309191603] [2023-02-17 04:06:45,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309191603] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:45,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:45,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 04:06:45,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146853978] [2023-02-17 04:06:45,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:45,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 04:06:45,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:45,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 04:06:45,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 04:06:45,077 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 04:06:45,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:45,091 INFO L93 Difference]: Finished difference Result 83 states and 89 transitions. [2023-02-17 04:06:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 04:06:45,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 04:06:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:45,092 INFO L225 Difference]: With dead ends: 83 [2023-02-17 04:06:45,092 INFO L226 Difference]: Without dead ends: 41 [2023-02-17 04:06:45,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-02-17 04:06:45,093 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 7 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:45,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:45,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-17 04:06:45,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-17 04:06:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.131578947368421) internal successors, (43), 40 states have internal predecessors, (43), 0 states have call successors, (0), 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 04:06:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2023-02-17 04:06:45,095 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 14 [2023-02-17 04:06:45,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:45,095 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2023-02-17 04:06:45,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 04:06:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-02-17 04:06:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 04:06:45,096 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:45,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:45,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-02-17 04:06:45,096 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:45,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:45,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1981516932, now seen corresponding path program 1 times [2023-02-17 04:06:45,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:45,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662709940] [2023-02-17 04:06:45,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:45,106 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 04:06:45,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:45,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662709940] [2023-02-17 04:06:45,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662709940] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:45,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:45,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:45,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889977002] [2023-02-17 04:06:45,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:45,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:45,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:45,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:45,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:45,118 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 04:06:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:45,128 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2023-02-17 04:06:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 04:06:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:45,129 INFO L225 Difference]: With dead ends: 41 [2023-02-17 04:06:45,129 INFO L226 Difference]: Without dead ends: 40 [2023-02-17 04:06:45,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:45,129 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:45,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-17 04:06:45,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2023-02-17 04:06:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 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 04:06:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2023-02-17 04:06:45,132 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 15 [2023-02-17 04:06:45,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:45,132 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2023-02-17 04:06:45,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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 04:06:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-02-17 04:06:45,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-17 04:06:45,132 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:45,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:45,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-02-17 04:06:45,133 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:45,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash 233008023, now seen corresponding path program 1 times [2023-02-17 04:06:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:45,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773888255] [2023-02-17 04:06:45,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:45,162 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 04:06:45,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:45,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773888255] [2023-02-17 04:06:45,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773888255] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:45,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:45,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 04:06:45,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077914028] [2023-02-17 04:06:45,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:45,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 04:06:45,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:45,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 04:06:45,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 04:06:45,164 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 04:06:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:45,184 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2023-02-17 04:06:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 04:06:45,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2023-02-17 04:06:45,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:45,185 INFO L225 Difference]: With dead ends: 73 [2023-02-17 04:06:45,185 INFO L226 Difference]: Without dead ends: 38 [2023-02-17 04:06:45,185 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 04:06:45,186 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:45,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:45,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-17 04:06:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2023-02-17 04:06:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 0 states have call successors, (0), 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 04:06:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2023-02-17 04:06:45,188 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 16 [2023-02-17 04:06:45,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:45,188 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2023-02-17 04:06:45,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 04:06:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-02-17 04:06:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-17 04:06:45,189 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 04:06:45,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:45,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-02-17 04:06:45,190 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-02-17 04:06:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 04:06:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1567262310, now seen corresponding path program 1 times [2023-02-17 04:06:45,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 04:06:45,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544486553] [2023-02-17 04:06:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 04:06:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 04:06:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 04:06:45,199 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 04:06:45,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 04:06:45,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544486553] [2023-02-17 04:06:45,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544486553] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 04:06:45,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 04:06:45,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 04:06:45,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951859778] [2023-02-17 04:06:45,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 04:06:45,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 04:06:45,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 04:06:45,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 04:06:45,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:45,201 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 04:06:45,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 04:06:45,207 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2023-02-17 04:06:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 04:06:45,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2023-02-17 04:06:45,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 04:06:45,208 INFO L225 Difference]: With dead ends: 35 [2023-02-17 04:06:45,208 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 04:06:45,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 04:06:45,209 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 04:06:45,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 04:06:45,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 04:06:45,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 04:06:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 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 04:06:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 04:06:45,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2023-02-17 04:06:45,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 04:06:45,210 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 04:06:45,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 04:06:45,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 04:06:45,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 04:06:45,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-02-17 04:06:45,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-02-17 04:06:45,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-02-17 04:06:45,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-02-17 04:06:45,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-02-17 04:06:45,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-02-17 04:06:45,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-02-17 04:06:45,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-02-17 04:06:45,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-02-17 04:06:45,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-02-17 04:06:45,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-02-17 04:06:45,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 04:06:45,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-3(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-5(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-6(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-8(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-9(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-10(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-12(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,220 INFO L899 garLoopResultBuilder]: For program point L12-13(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,221 INFO L899 garLoopResultBuilder]: For program point L12-14(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,221 INFO L899 garLoopResultBuilder]: For program point L12-15(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,221 INFO L899 garLoopResultBuilder]: For program point L12-16(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,221 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,221 INFO L899 garLoopResultBuilder]: For program point L12-18(lines 12 15) no Hoare annotation was computed. [2023-02-17 04:06:45,221 INFO L895 garLoopResultBuilder]: At program point L12-20(lines 12 15) the Hoare annotation is: (let ((.cse1 (not (<= (+ |ULTIMATE.start_main_~y~0#1| 1) 0)))) (let ((.cse0 (<= |ULTIMATE.start_main_~z~0#1| 2147483647)) (.cse2 (let ((.cse6 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1| 2147483648))) (.cse5 (<= 0 (+ 2147483647 |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|))) (.cse3 (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648))) (.cse4 (let ((.cse7 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648))) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 2147483647))) (or (and .cse7 .cse8) (and .cse1 .cse7 .cse8))))) (or (and .cse3 .cse4 .cse5) (and .cse6 .cse3 .cse4) (and .cse6 .cse3 .cse4 .cse5) (and .cse3 .cse4))))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2)))) [2023-02-17 04:06:45,221 INFO L899 garLoopResultBuilder]: For program point L12-21(lines 12 15) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 12) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2023-02-17 04:06:45,222 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2023-02-17 04:06:45,224 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 04:06:45,225 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 04:06:45,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 04:06:45 BoogieIcfgContainer [2023-02-17 04:06:45,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 04:06:45,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 04:06:45,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 04:06:45,238 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 04:06:45,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 04:06:43" (3/4) ... [2023-02-17 04:06:45,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 04:06:45,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 04:06:45,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 04:06:45,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 04:06:45,270 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 04:06:45,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 04:06:45,270 INFO L158 Benchmark]: Toolchain (without parser) took 1999.99ms. Allocated memory is still 192.9MB. Free memory was 165.2MB in the beginning and 86.8MB in the end (delta: 78.4MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,271 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 115.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 04:06:45,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.09ms. Allocated memory is still 192.9MB. Free memory was 165.2MB in the beginning and 156.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.26ms. Allocated memory is still 192.9MB. Free memory was 156.0MB in the beginning and 154.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,271 INFO L158 Benchmark]: Boogie Preprocessor took 22.64ms. Allocated memory is still 192.9MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,271 INFO L158 Benchmark]: RCFGBuilder took 237.02ms. Allocated memory is still 192.9MB. Free memory was 153.3MB in the beginning and 142.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,272 INFO L158 Benchmark]: TraceAbstraction took 1484.64ms. Allocated memory is still 192.9MB. Free memory was 142.3MB in the beginning and 89.9MB in the end (delta: 52.4MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,272 INFO L158 Benchmark]: Witness Printer took 32.75ms. Allocated memory is still 192.9MB. Free memory was 89.9MB in the beginning and 86.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 04:06:45,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 115.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.09ms. Allocated memory is still 192.9MB. Free memory was 165.2MB in the beginning and 156.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.26ms. Allocated memory is still 192.9MB. Free memory was 156.0MB in the beginning and 154.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.64ms. Allocated memory is still 192.9MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 237.02ms. Allocated memory is still 192.9MB. Free memory was 153.3MB in the beginning and 142.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1484.64ms. Allocated memory is still 192.9MB. Free memory was 142.3MB in the beginning and 89.9MB in the end (delta: 52.4MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Witness Printer took 32.75ms. Allocated memory is still 192.9MB. Free memory was 89.9MB in the beginning and 86.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 349 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 601 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 322 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=7, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 112 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 316 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((z <= 2147483647 && !(y + 1 <= 0)) && (((((0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z) || ((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647)))) || (((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z)) || (0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))))) || (z <= 2147483647 && (((((0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z) || ((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647)))) || (((0 <= y + z + 2147483648 && 0 <= z + 2147483648) && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))) && 0 <= 2147483647 + y + z)) || (0 <= z + 2147483648 && ((0 <= y + 2147483648 && y <= 2147483647) || ((!(y + 1 <= 0) && 0 <= y + 2147483648) && y <= 2147483647))))) RESULT: Ultimate proved your program to be correct! [2023-02-17 04:06:45,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE