./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 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-crafted/Cairo_step2-3.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 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 13:39:19,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 13:39:19,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 13:39:20,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 13:39:20,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 13:39:20,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 13:39:20,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 13:39:20,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 13:39:20,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 13:39:20,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 13:39:20,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 13:39:20,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 13:39:20,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 13:39:20,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 13:39:20,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 13:39:20,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 13:39:20,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 13:39:20,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 13:39:20,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 13:39:20,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 13:39:20,086 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 13:39:20,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 13:39:20,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 13:39:20,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 13:39:20,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 13:39:20,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 13:39:20,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 13:39:20,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 13:39:20,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 13:39:20,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 13:39:20,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 13:39:20,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 13:39:20,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 13:39:20,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 13:39:20,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 13:39:20,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 13:39:20,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 13:39:20,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 13:39:20,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 13:39:20,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 13:39:20,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 13:39:20,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 13:39:20,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-14 13:39:20,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 13:39:20,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 13:39:20,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 13:39:20,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 13:39:20,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 13:39:20,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 13:39:20,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 13:39:20,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 13:39:20,150 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 13:39:20,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 13:39:20,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 13:39:20,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 13:39:20,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 13:39:20,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 13:39:20,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 13:39:20,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 13:39:20,152 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 13:39:20,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 13:39:20,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 13:39:20,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 13:39:20,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 13:39:20,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 13:39:20,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 13:39:20,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:39:20,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 13:39:20,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 13:39:20,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 13:39:20,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 13:39:20,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 13:39:20,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 13:39:20,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2022-07-14 13:39:20,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 13:39:20,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 13:39:20,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 13:39:20,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 13:39:20,445 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 13:39:20,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2022-07-14 13:39:20,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9add02370/8e6d17d7ccc4407296cda91302ad6ef2/FLAG465dea235 [2022-07-14 13:39:20,894 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 13:39:20,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2022-07-14 13:39:20,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9add02370/8e6d17d7ccc4407296cda91302ad6ef2/FLAG465dea235 [2022-07-14 13:39:21,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9add02370/8e6d17d7ccc4407296cda91302ad6ef2 [2022-07-14 13:39:21,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 13:39:21,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 13:39:21,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 13:39:21,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 13:39:21,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 13:39:21,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58868b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21, skipping insertion in model container [2022-07-14 13:39:21,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 13:39:21,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 13:39:21,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:39:21,511 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 13:39:21,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:39:21,534 INFO L208 MainTranslator]: Completed translation [2022-07-14 13:39:21,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21 WrapperNode [2022-07-14 13:39:21,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 13:39:21,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 13:39:21,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 13:39:21,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 13:39:21,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,564 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-07-14 13:39:21,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 13:39:21,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 13:39:21,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 13:39:21,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 13:39:21,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 13:39:21,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 13:39:21,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 13:39:21,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 13:39:21,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (1/1) ... [2022-07-14 13:39:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:39:21,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:39:21,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 13:39:21,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 13:39:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 13:39:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 13:39:21,696 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 13:39:21,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 13:39:21,789 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 13:39:21,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 13:39:21,794 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 13:39:21,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:39:21 BoogieIcfgContainer [2022-07-14 13:39:21,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 13:39:21,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 13:39:21,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 13:39:21,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 13:39:21,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:39:21" (1/3) ... [2022-07-14 13:39:21,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bbbf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:39:21, skipping insertion in model container [2022-07-14 13:39:21,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:39:21" (2/3) ... [2022-07-14 13:39:21,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bbbf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:39:21, skipping insertion in model container [2022-07-14 13:39:21,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:39:21" (3/3) ... [2022-07-14 13:39:21,809 INFO L111 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2022-07-14 13:39:21,822 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 13:39:21,823 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-14 13:39:21,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bbbf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:39:21, skipping insertion in model container [2022-07-14 13:39:21,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 13:39:21,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 13:39:21,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 13:39:21,826 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 13:39:21,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:39:21" (3/3) ... [2022-07-14 13:39:21,830 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-14 13:39:21,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-14 13:39:21,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-14 13:39:21,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-14 13:39:21,874 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 13:39:21,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 13:39:21,876 INFO L158 Benchmark]: Toolchain (without parser) took 573.42ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 55.2MB in the end (delta: 10.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-07-14 13:39:21,876 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 75.5MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:39:21,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.27ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 69.8MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 13:39:21,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.46ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 68.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:39:21,882 INFO L158 Benchmark]: Boogie Preprocessor took 11.54ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 67.7MB in the end (delta: 697.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:39:21,882 INFO L158 Benchmark]: RCFGBuilder took 219.67ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 59.7MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 13:39:21,883 INFO L158 Benchmark]: TraceAbstraction took 25.09ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:39:21,883 INFO L158 Benchmark]: Witness Printer took 48.24ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:39:21,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 75.5MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.27ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 69.8MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.46ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 68.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.54ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 67.7MB in the end (delta: 697.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 219.67ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 59.7MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 25.09ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 48.24ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-07-14 13:39:21,931 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