./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:36:31,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:36:31,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:36:31,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:36:31,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:36:31,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:36:31,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:36:31,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:36:31,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:36:31,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:36:31,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:36:31,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:36:31,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:36:31,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:36:31,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:36:31,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:36:31,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:36:31,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:36:31,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:36:31,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:36:31,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:36:31,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:36:31,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:36:31,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:36:31,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:36:31,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:36:31,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:36:31,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:36:31,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:36:31,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:36:31,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:36:31,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:36:31,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:36:31,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:36:31,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:36:31,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:36:31,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:36:31,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:36:31,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:36:31,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:36:31,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:36:31,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-14 22:36:31,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:36:31,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:36:31,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:36:31,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:36:31,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:36:31,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:36:31,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:36:31,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:36:31,452 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:36:31,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:36:31,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:36:31,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:36:31,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:36:31,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 22:36:31,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:36:31,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 22:36:31,454 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-14 22:36:31,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 22:36:31,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:36:31,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 22:36:31,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:36:31,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:36:31,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:36:31,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:36:31,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:36:31,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:36:31,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 22:36:31,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 22:36:31,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 22:36:31,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 22:36:31,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:36:31,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2021-12-14 22:36:31,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:36:31,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:36:31,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:36:31,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:36:31,707 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:36:31,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-12-14 22:36:31,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798edfed6/b126904ca5214c88818c63a506c88924/FLAGca12b25a2 [2021-12-14 22:36:32,137 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:36:32,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-12-14 22:36:32,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798edfed6/b126904ca5214c88818c63a506c88924/FLAGca12b25a2 [2021-12-14 22:36:32,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798edfed6/b126904ca5214c88818c63a506c88924 [2021-12-14 22:36:32,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:36:32,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:36:32,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:36:32,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:36:32,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:36:32,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbf0b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32, skipping insertion in model container [2021-12-14 22:36:32,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:36:32,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:36:32,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 22:36:32,712 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 22:36:32,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 22:36:32,742 INFO L208 MainTranslator]: Completed translation [2021-12-14 22:36:32,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32 WrapperNode [2021-12-14 22:36:32,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:36:32,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 22:36:32,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 22:36:32,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 22:36:32,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,772 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2021-12-14 22:36:32,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 22:36:32,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 22:36:32,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 22:36:32,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 22:36:32,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 22:36:32,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 22:36:32,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 22:36:32,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 22:36:32,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (1/1) ... [2021-12-14 22:36:32,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:36:32,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 22:36:32,832 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) [2021-12-14 22:36:32,847 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 [2021-12-14 22:36:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 22:36:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 22:36:32,948 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 22:36:32,950 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 22:36:33,016 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 22:36:33,022 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 22:36:33,022 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 22:36:33,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:33 BoogieIcfgContainer [2021-12-14 22:36:33,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 22:36:33,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 22:36:33,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 22:36:33,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 22:36:33,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:36:32" (1/3) ... [2021-12-14 22:36:33,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a42e04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:36:33, skipping insertion in model container [2021-12-14 22:36:33,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:32" (2/3) ... [2021-12-14 22:36:33,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a42e04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:36:33, skipping insertion in model container [2021-12-14 22:36:33,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:33" (3/3) ... [2021-12-14 22:36:33,037 INFO L111 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2021-12-14 22:36:33,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 22:36:33,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-14 22:36:33,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a42e04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:36:33, skipping insertion in model container [2021-12-14 22:36:33,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 22:36:33,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 22:36:33,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 22:36:33,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 22:36:33,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:33" (3/3) ... [2021-12-14 22:36:33,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-14 22:36:33,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-14 22:36:33,068 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-14 22:36:33,068 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-14 22:36:33,096 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 22:36:33,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 22:36:33,098 INFO L158 Benchmark]: Toolchain (without parser) took 515.11ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 51.7MB in the beginning and 68.7MB in the end (delta: -16.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-12-14 22:36:33,103 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 58.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:36:33,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.95ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 51.5MB in the beginning and 82.6MB in the end (delta: -31.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 22:36:33,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 104.9MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:36:33,104 INFO L158 Benchmark]: Boogie Preprocessor took 17.39ms. Allocated memory is still 104.9MB. Free memory was 81.4MB in the beginning and 80.6MB in the end (delta: 878.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 22:36:33,105 INFO L158 Benchmark]: RCFGBuilder took 229.13ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 72.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 22:36:33,105 INFO L158 Benchmark]: TraceAbstraction took 16.55ms. Allocated memory is still 104.9MB. Free memory was 72.2MB in the beginning and 71.3MB in the end (delta: 893.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:36:33,108 INFO L158 Benchmark]: Witness Printer took 51.16ms. Allocated memory is still 104.9MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 22:36:33,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 58.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.95ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 51.5MB in the beginning and 82.6MB in the end (delta: -31.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.67ms. Allocated memory is still 104.9MB. Free memory was 82.6MB in the beginning and 81.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.39ms. Allocated memory is still 104.9MB. Free memory was 81.4MB in the beginning and 80.6MB in the end (delta: 878.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.13ms. Allocated memory is still 104.9MB. Free memory was 80.3MB in the beginning and 72.7MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16.55ms. Allocated memory is still 104.9MB. Free memory was 72.2MB in the beginning and 71.3MB in the end (delta: 893.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.16ms. Allocated memory is still 104.9MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). 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! [2021-12-14 22:36:33,140 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