./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec 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/recursive-simple/sum_non_eq-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash dc04fce906329492e3413e1cbd244ef3e7ee3457 ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 11:25:22,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:25:22,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:25:22,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:25:22,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:25:22,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:25:22,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:25:22,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:25:22,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:25:22,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:25:22,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:25:22,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:25:22,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:25:22,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:25:22,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:25:22,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:25:22,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:25:22,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:25:22,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:25:22,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:25:22,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:25:22,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:25:22,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:25:22,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:25:22,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:25:22,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:25:22,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:25:22,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:25:22,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:25:22,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:25:22,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:25:22,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:25:22,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:25:22,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:25:22,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:25:22,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:25:22,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:25:22,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:25:22,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:25:22,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:25:22,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:25:22,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:25:22,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:25:22,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:25:22,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:25:22,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:25:22,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:25:22,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:25:22,695 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:25:22,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:25:22,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:25:22,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:25:22,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:25:22,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:25:22,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:25:22,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:25:22,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:25:22,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:25:22,697 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:25:22,697 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:25:22,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:25:22,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:25:22,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:25:22,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:25:22,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:25:22,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:25:22,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:25:22,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:25:22,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:25:22,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:25:22,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:25:22,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:25:22,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:25:22,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:25:22,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc04fce906329492e3413e1cbd244ef3e7ee3457 [2021-08-27 11:25:23,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:25:23,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:25:23,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:25:23,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:25:23,022 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:25:23,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_non_eq-3.c [2021-08-27 11:25:23,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f7de3d4f/c4aded59b4d4455d8d42f3b612b4b392/FLAGd5da3dfc3 [2021-08-27 11:25:23,471 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:25:23,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c [2021-08-27 11:25:23,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f7de3d4f/c4aded59b4d4455d8d42f3b612b4b392/FLAGd5da3dfc3 [2021-08-27 11:25:23,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f7de3d4f/c4aded59b4d4455d8d42f3b612b4b392 [2021-08-27 11:25:23,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:25:23,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:25:23,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:25:23,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:25:23,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:25:23,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:23,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755e28bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23, skipping insertion in model container [2021-08-27 11:25:23,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:23,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:25:23,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:25:23,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c[628,641] [2021-08-27 11:25:23,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:25:23,957 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:25:23,965 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-3.c[628,641] [2021-08-27 11:25:23,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:25:23,974 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:25:23,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23 WrapperNode [2021-08-27 11:25:23,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:25:23,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:25:23,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:25:23,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:25:24,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:25:24,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:25:24,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:25:24,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:25:24,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:25:24,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:25:24,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:25:24,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:25:24,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (1/1) ... [2021-08-27 11:25:24,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:25:24,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:25:24,082 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) [2021-08-27 11:25:24,099 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 [2021-08-27 11:25:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:25:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:25:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-08-27 11:25:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-08-27 11:25:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:25:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:25:24,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:25:24,307 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-27 11:25:24,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:24 BoogieIcfgContainer [2021-08-27 11:25:24,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:25:24,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:25:24,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:25:24,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:25:24,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:25:23" (1/3) ... [2021-08-27 11:25:24,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe51a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:25:24, skipping insertion in model container [2021-08-27 11:25:24,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:23" (2/3) ... [2021-08-27 11:25:24,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe51a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:25:24, skipping insertion in model container [2021-08-27 11:25:24,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:24" (3/3) ... [2021-08-27 11:25:24,313 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_non_eq-3.c [2021-08-27 11:25:24,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:25:24,348 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-27 11:25:24,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe51a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:25:24, skipping insertion in model container [2021-08-27 11:25:24,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:25:24,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:25:24,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:25:24,350 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:25:24,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:24" (3/3) ... [2021-08-27 11:25:24,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-27 11:25:24,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-08-27 11:25:24,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-27 11:25:24,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-27 11:25:24,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:25:24,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:25:24,413 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:25:24,414 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:25:24,415 INFO L168 Benchmark]: Toolchain (without parser) took 562.83 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.5 MB in the beginning and 43.7 MB in the end (delta: -19.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:25:24,416 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory is still 30.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:25:24,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.96 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.3 MB in the beginning and 41.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:24,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.58 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 46.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:24,418 INFO L168 Benchmark]: Boogie Preprocessor took 9.62 ms. Allocated memory is still 62.9 MB. Free memory was 46.6 MB in the beginning and 45.6 MB in the end (delta: 951.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:24,418 INFO L168 Benchmark]: RCFGBuilder took 271.92 ms. Allocated memory is still 62.9 MB. Free memory was 45.6 MB in the beginning and 34.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:24,431 INFO L168 Benchmark]: TraceAbstraction took 40.45 ms. Allocated memory is still 62.9 MB. Free memory was 33.7 MB in the beginning and 46.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:24,431 INFO L168 Benchmark]: Witness Printer took 63.74 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 43.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:24,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory is still 30.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 121.96 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 24.3 MB in the beginning and 41.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.58 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 46.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 9.62 ms. Allocated memory is still 62.9 MB. Free memory was 46.6 MB in the beginning and 45.6 MB in the end (delta: 951.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 271.92 ms. Allocated memory is still 62.9 MB. Free memory was 45.6 MB in the beginning and 34.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 40.45 ms. Allocated memory is still 62.9 MB. Free memory was 33.7 MB in the beginning and 46.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Witness Printer took 63.74 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 43.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-08-27 11:25:24,493 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...