./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test_overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/test_overflow.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38da1da4caa7eb99f00a98b2f3d509f4ee377565 ....................................................................................................................................................................................................................... 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 15:16:23,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:16:23,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:16:23,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:16:23,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:16:23,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:16:23,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:16:23,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:16:23,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:16:23,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:16:23,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:16:23,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:16:23,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:16:23,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:16:23,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:16:23,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:16:23,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:16:23,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:16:23,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:16:23,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:16:23,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:16:23,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:16:23,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:16:23,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:16:23,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:16:23,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:16:23,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:16:23,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:16:23,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:16:23,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:16:23,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:16:23,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:16:23,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:16:23,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:16:23,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:16:23,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:16:23,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:16:23,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:16:23,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:16:23,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:16:23,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:16:23,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:16:23,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:16:23,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:16:23,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:16:23,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:16:23,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:16:23,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:16:23,398 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:16:23,398 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:16:23,399 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:16:23,399 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:16:23,399 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:16:23,399 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:16:23,400 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:16:23,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:16:23,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:16:23,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:16:23,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:16:23,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:16:23,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:16:23,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:16:23,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:16:23,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:16:23,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:16:23,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:16:23,402 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:16:23,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:16:23,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:16:23,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:16:23,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:16:23,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:16:23,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:16:23,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:16:23,404 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:16:23,404 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38da1da4caa7eb99f00a98b2f3d509f4ee377565 [2021-08-27 15:16:23,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:16:23,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:16:23,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:16:23,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:16:23,708 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:16:23,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_overflow.i [2021-08-27 15:16:23,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4b315da/3ea02e7d8400466da37c11348f75fb75/FLAGd9a50122a [2021-08-27 15:16:24,178 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:16:24,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_overflow.i [2021-08-27 15:16:24,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4b315da/3ea02e7d8400466da37c11348f75fb75/FLAGd9a50122a [2021-08-27 15:16:24,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc4b315da/3ea02e7d8400466da37c11348f75fb75 [2021-08-27 15:16:24,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:16:24,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:16:24,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:16:24,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:16:24,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:16:24,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719abc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24, skipping insertion in model container [2021-08-27 15:16:24,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:16:24,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:16:24,565 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/ldv-regression/test_overflow.i[33387,33400] [2021-08-27 15:16:24,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:16:24,582 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:16:24,602 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/ldv-regression/test_overflow.i[33387,33400] [2021-08-27 15:16:24,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:16:24,638 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:16:24,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24 WrapperNode [2021-08-27 15:16:24,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:16:24,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:16:24,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:16:24,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:16:24,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:16:24,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:16:24,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:16:24,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:16:24,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:16:24,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:16:24,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:16:24,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:16:24,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (1/1) ... [2021-08-27 15:16:24,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:16:24,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:16:24,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:16:24,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 15:16:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:16:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:16:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:16:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:16:25,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:16:25,000 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-27 15:16:25,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:16:25 BoogieIcfgContainer [2021-08-27 15:16:25,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:16:25,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:16:25,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:16:25,004 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:16:25,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:16:25,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:16:24" (1/3) ... [2021-08-27 15:16:25,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f262749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:16:25, skipping insertion in model container [2021-08-27 15:16:25,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:16:25,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:16:24" (2/3) ... [2021-08-27 15:16:25,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f262749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:16:25, skipping insertion in model container [2021-08-27 15:16:25,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:16:25,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:16:25" (3/3) ... [2021-08-27 15:16:25,007 INFO L389 chiAutomizerObserver]: Analyzing ICFG test_overflow.i [2021-08-27 15:16:25,033 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:16:25,033 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:16:25,033 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:16:25,033 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:16:25,033 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:16:25,033 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:16:25,033 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:16:25,033 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:16:25,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:16:25,052 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:16:25,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:16:25,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:16:25 BoogieIcfgContainer [2021-08-27 15:16:25,055 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:16:25,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:16:25,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:16:25,056 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:16:25,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:16:25" (3/4) ... [2021-08-27 15:16:25,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:16:25,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:16:25,059 INFO L168 Benchmark]: Toolchain (without parser) took 847.82 ms. Allocated memory is still 69.2 MB. Free memory was 47.9 MB in the beginning and 37.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:16:25,059 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:16:25,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.67 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 39.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 15:16:25,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.68 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 36.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:16:25,061 INFO L168 Benchmark]: Boogie Preprocessor took 31.11 ms. Allocated memory is still 69.2 MB. Free memory was 36.8 MB in the beginning and 35.9 MB in the end (delta: 960.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:16:25,061 INFO L168 Benchmark]: RCFGBuilder took 289.50 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 42.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:16:25,061 INFO L168 Benchmark]: BuchiAutomizer took 52.63 ms. Allocated memory is still 69.2 MB. Free memory was 42.9 MB in the beginning and 37.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 15:16:25,062 INFO L168 Benchmark]: Witness Printer took 2.35 ms. Allocated memory is still 69.2 MB. Free memory was 37.6 MB in the beginning and 37.2 MB in the end (delta: 336.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:16:25,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 401.67 ms. Allocated memory is still 69.2 MB. Free memory was 47.7 MB in the beginning and 39.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.68 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 36.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.11 ms. Allocated memory is still 69.2 MB. Free memory was 36.8 MB in the beginning and 35.9 MB in the end (delta: 960.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 289.50 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 42.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 52.63 ms. Allocated memory is still 69.2 MB. Free memory was 42.9 MB in the beginning and 37.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.35 ms. Allocated memory is still 69.2 MB. Free memory was 37.6 MB in the beginning and 37.2 MB in the end (delta: 336.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:16:25,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...