./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/WhilePart.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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/WhilePart.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 615cc94dba3abc367f303da703fd664b36c304d01707dbbe6611a7311b8842d6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 03:00:06,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 03:00:06,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 03:00:06,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 03:00:06,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 03:00:06,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 03:00:06,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 03:00:06,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 03:00:06,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 03:00:06,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 03:00:06,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 03:00:06,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 03:00:06,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 03:00:06,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 03:00:06,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 03:00:06,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 03:00:06,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 03:00:06,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 03:00:06,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 03:00:06,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 03:00:06,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 03:00:06,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 03:00:06,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 03:00:06,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 03:00:06,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 03:00:06,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 03:00:06,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 03:00:06,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 03:00:06,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 03:00:06,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 03:00:06,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 03:00:06,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 03:00:06,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 03:00:06,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 03:00:06,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 03:00:06,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 03:00:06,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 03:00:06,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 03:00:06,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 03:00:06,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 03:00:06,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 03:00:06,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-14 03:00:06,753 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 03:00:06,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 03:00:06,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 03:00:06,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 03:00:06,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 03:00:06,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 03:00:06,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 03:00:06,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 03:00:06,756 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 03:00:06,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 03:00:06,757 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 03:00:06,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 03:00:06,758 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 03:00:06,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 03:00:06,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 03:00:06,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 03:00:06,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 03:00:06,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 03:00:06,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 03:00:06,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 03:00:06,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 03:00:06,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 03:00:06,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 03:00:06,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 03:00:06,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 03:00:06,760 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 03:00:06,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 03:00:06,760 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 03:00:06,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 615cc94dba3abc367f303da703fd664b36c304d01707dbbe6611a7311b8842d6 [2023-02-14 03:00:06,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 03:00:06,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 03:00:06,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 03:00:06,995 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 03:00:06,995 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 03:00:06,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/WhilePart.c [2023-02-14 03:00:07,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 03:00:08,090 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 03:00:08,091 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/WhilePart.c [2023-02-14 03:00:08,095 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc28bc97/bd5cd9485a6b428b99f37c93abf58e47/FLAG046cc4edd [2023-02-14 03:00:08,108 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dc28bc97/bd5cd9485a6b428b99f37c93abf58e47 [2023-02-14 03:00:08,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 03:00:08,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 03:00:08,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 03:00:08,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 03:00:08,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 03:00:08,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd8cbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08, skipping insertion in model container [2023-02-14 03:00:08,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 03:00:08,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 03:00:08,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:00:08,220 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 03:00:08,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:00:08,236 INFO L208 MainTranslator]: Completed translation [2023-02-14 03:00:08,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08 WrapperNode [2023-02-14 03:00:08,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 03:00:08,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 03:00:08,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 03:00:08,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 03:00:08,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,254 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-02-14 03:00:08,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 03:00:08,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 03:00:08,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 03:00:08,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 03:00:08,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 03:00:08,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 03:00:08,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 03:00:08,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 03:00:08,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (1/1) ... [2023-02-14 03:00:08,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 03:00:08,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:00:08,297 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) [2023-02-14 03:00:08,298 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 [2023-02-14 03:00:08,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 03:00:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 03:00:08,382 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 03:00:08,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 03:00:08,460 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 03:00:08,466 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 03:00:08,467 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 03:00:08,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:00:08 BoogieIcfgContainer [2023-02-14 03:00:08,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 03:00:08,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 03:00:08,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 03:00:08,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 03:00:08,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 03:00:08" (1/3) ... [2023-02-14 03:00:08,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1655e958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 03:00:08, skipping insertion in model container [2023-02-14 03:00:08,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:00:08" (2/3) ... [2023-02-14 03:00:08,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1655e958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 03:00:08, skipping insertion in model container [2023-02-14 03:00:08,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:00:08" (3/3) ... [2023-02-14 03:00:08,479 INFO L112 eAbstractionObserver]: Analyzing ICFG WhilePart.c [2023-02-14 03:00:08,498 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 03:00:08,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-02-14 03:00:08,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 03:00:08,538 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;@5c68f95a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 03:00:08,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-02-14 03:00:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 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) [2023-02-14 03:00:08,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-14 03:00:08,547 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 03:00:08,547 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-14 03:00:08,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-02-14 03:00:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:00:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2023-02-14 03:00:08,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:00:08,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852224277] [2023-02-14 03:00:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:00:08,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:00:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:00:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:00:08,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 03:00:08,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852224277] [2023-02-14 03:00:08,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852224277] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 03:00:08,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 03:00:08,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 03:00:08,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849976081] [2023-02-14 03:00:08,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 03:00:08,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 03:00:08,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 03:00:08,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 03:00:08,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 03:00:08,685 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 11 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) 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) [2023-02-14 03:00:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 03:00:08,715 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-02-14 03:00:08,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 03:00:08,717 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 [2023-02-14 03:00:08,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 03:00:08,722 INFO L225 Difference]: With dead ends: 17 [2023-02-14 03:00:08,722 INFO L226 Difference]: Without dead ends: 8 [2023-02-14 03:00:08,724 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 [2023-02-14 03:00:08,726 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 03:00:08,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 03:00:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-02-14 03:00:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2023-02-14 03:00:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:00:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-02-14 03:00:08,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2023-02-14 03:00:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 03:00:08,745 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-02-14 03:00:08,745 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) [2023-02-14 03:00:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-02-14 03:00:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 03:00:08,746 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 03:00:08,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 03:00:08,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 03:00:08,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-02-14 03:00:08,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:00:08,747 INFO L85 PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times [2023-02-14 03:00:08,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:00:08,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632942526] [2023-02-14 03:00:08,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:00:08,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:00:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:00:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:00:08,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 03:00:08,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632942526] [2023-02-14 03:00:08,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632942526] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 03:00:08,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 03:00:08,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 03:00:08,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344095887] [2023-02-14 03:00:08,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 03:00:08,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 03:00:08,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 03:00:08,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 03:00:08,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 03:00:08,794 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-02-14 03:00:08,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 03:00:08,811 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2023-02-14 03:00:08,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 03:00:08,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2023-02-14 03:00:08,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 03:00:08,813 INFO L225 Difference]: With dead ends: 7 [2023-02-14 03:00:08,813 INFO L226 Difference]: Without dead ends: 0 [2023-02-14 03:00:08,813 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 [2023-02-14 03:00:08,814 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 03:00:08,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 03:00:08,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-14 03:00:08,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-14 03:00:08,820 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) [2023-02-14 03:00:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-14 03:00:08,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2023-02-14 03:00:08,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 03:00:08,820 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:00:08,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-02-14 03:00:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-14 03:00:08,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-14 03:00:08,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-02-14 03:00:08,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-02-14 03:00:08,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 03:00:08,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-14 03:00:08,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 5 16) the Hoare annotation is: true [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 9 13) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 11) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-14 03:00:08,846 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 12) no Hoare annotation was computed. [2023-02-14 03:00:08,847 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 9 13) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 2147483647) [2023-02-14 03:00:08,849 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-02-14 03:00:08,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 03:00:08,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 03:00:08 BoogieIcfgContainer [2023-02-14 03:00:08,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 03:00:08,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 03:00:08,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 03:00:08,861 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 03:00:08,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:00:08" (3/4) ... [2023-02-14 03:00:08,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 03:00:08,871 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-14 03:00:08,871 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-14 03:00:08,872 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 03:00:08,904 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 03:00:08,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 03:00:08,906 INFO L158 Benchmark]: Toolchain (without parser) took 795.89ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 76.6MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-02-14 03:00:08,907 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 64.1MB in the beginning and 63.8MB in the end (delta: 281.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:00:08,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 125.74ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 115.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 03:00:08,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.84ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 115.0MB in the end (delta: 891.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:00:08,908 INFO L158 Benchmark]: Boogie Preprocessor took 12.85ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 113.8MB in the end (delta: 600.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:00:08,908 INFO L158 Benchmark]: RCFGBuilder took 200.49ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 104.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 03:00:08,908 INFO L158 Benchmark]: TraceAbstraction took 389.05ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 79.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-02-14 03:00:08,908 INFO L158 Benchmark]: Witness Printer took 45.53ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 03:00:08,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 64.1MB in the beginning and 63.8MB in the end (delta: 281.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 125.74ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 115.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.84ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 115.0MB in the end (delta: 891.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.85ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 113.8MB in the end (delta: 600.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 200.49ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 104.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 389.05ms. Allocated memory is still 163.6MB. Free memory was 104.5MB in the beginning and 79.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 45.53ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 4 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: i <= 2147483647 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-02-14 03:00:08,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE