./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/Flip.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a31fd051 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/Flip.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 d9e2051c5b6571a6a73804cb724a9fb9a88e5e404b5e850e3a8c166e2eba4aad --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 14:05:04,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 14:05:04,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 14:05:04,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 14:05:04,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 14:05:04,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 14:05:04,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 14:05:04,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 14:05:04,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 14:05:04,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 14:05:04,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 14:05:04,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 14:05:04,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 14:05:04,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 14:05:04,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 14:05:04,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 14:05:04,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 14:05:04,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 14:05:04,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 14:05:04,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 14:05:04,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 14:05:04,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 14:05:04,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 14:05:04,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 14:05:04,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 14:05:04,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 14:05:04,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 14:05:04,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 14:05:04,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 14:05:04,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 14:05:04,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 14:05:04,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 14:05:04,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 14:05:04,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 14:05:04,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 14:05:04,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 14:05:04,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 14:05:04,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 14:05:04,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 14:05:04,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 14:05:04,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 14:05:04,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-15 14:05:04,723 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 14:05:04,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 14:05:04,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 14:05:04,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 14:05:04,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 14:05:04,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 14:05:04,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 14:05:04,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 14:05:04,726 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 14:05:04,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 14:05:04,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 14:05:04,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 14:05:04,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 14:05:04,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 14:05:04,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 14:05:04,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 14:05:04,728 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-15 14:05:04,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 14:05:04,728 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 14:05:04,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 14:05:04,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 14:05:04,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 14:05:04,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 14:05:04,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 14:05:04,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 14:05:04,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 14:05:04,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 14:05:04,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 14:05:04,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 14:05:04,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 14:05:04,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 14:05:04,731 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 14:05:04,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 14:05:04,732 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 14:05:04,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9e2051c5b6571a6a73804cb724a9fb9a88e5e404b5e850e3a8c166e2eba4aad [2023-02-15 14:05:04,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 14:05:04,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 14:05:04,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 14:05:04,998 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 14:05:04,998 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 14:05:04,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/Flip.c [2023-02-15 14:05:06,104 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 14:05:06,261 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 14:05:06,262 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/Flip.c [2023-02-15 14:05:06,268 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f00c56e/84e9a9d0726c4ff3ad8d495f0a394d74/FLAGbd940c584 [2023-02-15 14:05:06,280 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2f00c56e/84e9a9d0726c4ff3ad8d495f0a394d74 [2023-02-15 14:05:06,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 14:05:06,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 14:05:06,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 14:05:06,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 14:05:06,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 14:05:06,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3f6fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06, skipping insertion in model container [2023-02-15 14:05:06,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 14:05:06,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 14:05:06,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 14:05:06,446 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 14:05:06,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 14:05:06,470 INFO L208 MainTranslator]: Completed translation [2023-02-15 14:05:06,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06 WrapperNode [2023-02-15 14:05:06,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 14:05:06,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 14:05:06,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 14:05:06,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 14:05:06,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,495 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-15 14:05:06,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 14:05:06,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 14:05:06,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 14:05:06,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 14:05:06,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 14:05:06,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 14:05:06,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 14:05:06,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 14:05:06,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (1/1) ... [2023-02-15 14:05:06,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 14:05:06,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 14:05:06,550 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) [2023-02-15 14:05:06,574 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 [2023-02-15 14:05:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 14:05:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 14:05:06,649 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 14:05:06,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 14:05:06,719 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 14:05:06,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 14:05:06,724 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 14:05:06,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:05:06 BoogieIcfgContainer [2023-02-15 14:05:06,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 14:05:06,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 14:05:06,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 14:05:06,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 14:05:06,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 02:05:06" (1/3) ... [2023-02-15 14:05:06,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0c46ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:05:06, skipping insertion in model container [2023-02-15 14:05:06,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 02:05:06" (2/3) ... [2023-02-15 14:05:06,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0c46ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 02:05:06, skipping insertion in model container [2023-02-15 14:05:06,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:05:06" (3/3) ... [2023-02-15 14:05:06,735 INFO L112 eAbstractionObserver]: Analyzing ICFG Flip.c [2023-02-15 14:05:06,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 14:05:06,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-15 14:05:06,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0c46ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 02:05:06, skipping insertion in model container [2023-02-15 14:05:06,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 14:05:06,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 14:05:06,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 14:05:06,754 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 14:05:06,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 02:05:06" (3/3) ... [2023-02-15 14:05:06,760 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 14:05:06,769 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 14:05:06,770 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 14:05:06,770 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 14:05:06,826 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 14:05:06,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 14:05:06,828 INFO L158 Benchmark]: Toolchain (without parser) took 543.76ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 87.5MB in the beginning and 148.1MB in the end (delta: -60.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-02-15 14:05:06,828 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 14:05:06,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.41ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 78.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 14:05:06,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.59ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 14:05:06,833 INFO L158 Benchmark]: Boogie Preprocessor took 17.17ms. Allocated memory is still 127.9MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 14:05:06,834 INFO L158 Benchmark]: RCFGBuilder took 210.82ms. Allocated memory is still 127.9MB. Free memory was 75.7MB in the beginning and 67.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 14:05:06,834 INFO L158 Benchmark]: TraceAbstraction took 24.41ms. Allocated memory is still 127.9MB. Free memory was 66.6MB in the beginning and 64.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 14:05:06,835 INFO L158 Benchmark]: Witness Printer took 72.58ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 64.6MB in the beginning and 148.1MB in the end (delta: -83.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-02-15 14:05:06,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.41ms. Allocated memory is still 127.9MB. Free memory was 87.5MB in the beginning and 78.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.59ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 76.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.17ms. Allocated memory is still 127.9MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.82ms. Allocated memory is still 127.9MB. Free memory was 75.7MB in the beginning and 67.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24.41ms. Allocated memory is still 127.9MB. Free memory was 66.6MB in the beginning and 64.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 72.58ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 64.6MB in the beginning and 148.1MB in the end (delta: -83.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-02-15 14:05:06,856 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