./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5fbdf5bf 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-2.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 d08ec045f3070a7b4be2ee6fb5c0f639f90e227f ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 22:45:20,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:45:20,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:45:20,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:45:20,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:45:20,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:45:20,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:45:20,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:45:20,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:45:20,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:45:20,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:45:20,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:45:20,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:45:20,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:45:20,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:45:20,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:45:20,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:45:20,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:45:20,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:45:20,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:45:20,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:45:20,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:45:20,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:45:20,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:45:20,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:45:20,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:45:20,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:45:20,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:45:20,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:45:20,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:45:20,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:45:20,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:45:20,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:45:20,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:45:20,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:45:20,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:45:20,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:45:20,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:45:20,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:45:20,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:45:20,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:45:20,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-30 22:45:20,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:45:20,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:45:20,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:45:20,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:45:20,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:45:20,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:45:20,209 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:45:20,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:45:20,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 22:45:20,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:45:20,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:45:20,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 22:45:20,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:45:20,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:45:20,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:45:20,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:45:20,211 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:45:20,211 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 22:45:20,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:45:20,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:45:20,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:45:20,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:45:20,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:45:20,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:45:20,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:45:20,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:45:20,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:45:20,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:45:20,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:45:20,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:45:20,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:45:20,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:45:20,225 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08ec045f3070a7b4be2ee6fb5c0f639f90e227f [2021-08-30 22:45:20,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:45:20,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:45:20,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:45:20,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:45:20,528 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:45:20,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2021-08-30 22:45:20,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d2baefc7/d4dda8c8af4345d79196183a25a6179f/FLAG9def6a758 [2021-08-30 22:45:20,973 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:45:20,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2021-08-30 22:45:20,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d2baefc7/d4dda8c8af4345d79196183a25a6179f/FLAG9def6a758 [2021-08-30 22:45:21,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d2baefc7/d4dda8c8af4345d79196183a25a6179f [2021-08-30 22:45:21,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:45:21,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:45:21,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:45:21,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:45:21,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:45:21,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e5278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21, skipping insertion in model container [2021-08-30 22:45:21,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:45:21,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:45:21,561 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-2.c[628,641] [2021-08-30 22:45:21,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:45:21,569 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:45:21,586 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-2.c[628,641] [2021-08-30 22:45:21,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:45:21,596 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:45:21,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21 WrapperNode [2021-08-30 22:45:21,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:45:21,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:45:21,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:45:21,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:45:21,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:45:21,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:45:21,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:45:21,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:45:21,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:45:21,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:45:21,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:45:21,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:45:21,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (1/1) ... [2021-08-30 22:45:21,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:45:21,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:45:21,695 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) [2021-08-30 22:45:21,697 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 [2021-08-30 22:45:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:45:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:45:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-08-30 22:45:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-08-30 22:45:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 22:45:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 22:45:21,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:45:21,892 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-30 22:45:21,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:45:21 BoogieIcfgContainer [2021-08-30 22:45:21,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:45:21,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:45:21,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:45:21,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:45:21,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:45:21" (1/3) ... [2021-08-30 22:45:21,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cfcbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:45:21, skipping insertion in model container [2021-08-30 22:45:21,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:45:21" (2/3) ... [2021-08-30 22:45:21,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cfcbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:45:21, skipping insertion in model container [2021-08-30 22:45:21,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:45:21" (3/3) ... [2021-08-30 22:45:21,901 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2021-08-30 22:45:21,905 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:45:21,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-30 22:45:21,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78cfcbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:45:21, skipping insertion in model container [2021-08-30 22:45:21,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:45:21,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:45:21,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:45:21,908 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:45:21,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:45:21" (3/3) ... [2021-08-30 22:45:21,911 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 22:45:21,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-08-30 22:45:21,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-30 22:45:21,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-30 22:45:21,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:45:21,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:45:21,961 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:45:21,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:45:21,963 INFO L158 Benchmark]: Toolchain (without parser) took 556.92ms. Allocated memory was 50.3MB in the beginning and 69.2MB in the end (delta: 18.9MB). Free memory was 27.5MB in the beginning and 40.9MB in the end (delta: -13.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-08-30 22:45:21,964 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:45:21,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.37ms. Allocated memory is still 50.3MB. Free memory was 27.2MB in the beginning and 29.6MB in the end (delta: -2.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-08-30 22:45:21,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.69ms. Allocated memory is still 50.3MB. Free memory was 29.6MB in the beginning and 28.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:45:21,965 INFO L158 Benchmark]: Boogie Preprocessor took 23.84ms. Allocated memory was 50.3MB in the beginning and 69.2MB in the end (delta: 18.9MB). Free memory was 28.3MB in the beginning and 53.2MB in the end (delta: -24.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-08-30 22:45:21,966 INFO L158 Benchmark]: RCFGBuilder took 245.44ms. Allocated memory is still 69.2MB. Free memory was 52.9MB in the beginning and 44.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:45:21,966 INFO L158 Benchmark]: TraceAbstraction took 11.70ms. Allocated memory is still 69.2MB. Free memory was 44.4MB in the beginning and 43.4MB in the end (delta: 951.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:45:21,967 INFO L158 Benchmark]: Witness Printer took 53.99ms. Allocated memory is still 69.2MB. Free memory was 43.4MB in the beginning and 40.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 22:45:21,973 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 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.37ms. Allocated memory is still 50.3MB. Free memory was 27.2MB in the beginning and 29.6MB in the end (delta: -2.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.69ms. Allocated memory is still 50.3MB. Free memory was 29.6MB in the beginning and 28.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.84ms. Allocated memory was 50.3MB in the beginning and 69.2MB in the end (delta: 18.9MB). Free memory was 28.3MB in the beginning and 53.2MB in the end (delta: -24.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * RCFGBuilder took 245.44ms. Allocated memory is still 69.2MB. Free memory was 52.9MB in the beginning and 44.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11.70ms. Allocated memory is still 69.2MB. Free memory was 44.4MB in the beginning and 43.4MB in the end (delta: 951.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.99ms. Allocated memory is still 69.2MB. Free memory was 43.4MB in the beginning and 40.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. 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! [2021-08-30 22:45:22,006 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...