./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/nested_structure_ptr-2.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 91b4b40d1d7f36b3a3986763f89b3e51f45025d6 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:29:55,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:29:55,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:29:55,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:29:55,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:29:55,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:29:55,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:29:55,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:29:55,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:29:55,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:29:55,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:29:55,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:29:55,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:29:55,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:29:55,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:29:55,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:29:55,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:29:55,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:29:55,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:29:55,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:29:55,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:29:55,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:29:55,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:29:55,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:29:55,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:29:55,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:29:55,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:29:55,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:29:55,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:29:55,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:29:55,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:29:55,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:29:55,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:29:55,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:29:55,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:29:55,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:29:55,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:29:55,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:29:55,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:29:55,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:29:55,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:29:55,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:29:55,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:29:55,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:29:55,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:29:55,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:29:55,276 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:29:55,276 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:29:55,276 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:29:55,276 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:29:55,277 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:29:55,277 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:29:55,277 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:29:55,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:29:55,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:29:55,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:29:55,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:29:55,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:29:55,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:29:55,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:29:55,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:29:55,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:29:55,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:29:55,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:29:55,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:29:55,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:29:55,281 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:29:55,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b4b40d1d7f36b3a3986763f89b3e51f45025d6 [2021-07-06 19:29:55,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:29:55,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:29:55,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:29:55,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:29:55,523 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:29:55,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2021-07-06 19:29:55,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34fa10a1/f1194f389a0041f7a89c6a873a127eeb/FLAGcbed43e7c [2021-07-06 19:29:55,947 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:29:55,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2021-07-06 19:29:55,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34fa10a1/f1194f389a0041f7a89c6a873a127eeb/FLAGcbed43e7c [2021-07-06 19:29:55,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34fa10a1/f1194f389a0041f7a89c6a873a127eeb [2021-07-06 19:29:55,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:29:55,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:29:55,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:29:55,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:29:55,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:29:55,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:29:55" (1/1) ... [2021-07-06 19:29:55,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0236e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:55, skipping insertion in model container [2021-07-06 19:29:55,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:29:55" (1/1) ... [2021-07-06 19:29:55,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:29:55,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:29:56,068 WARN L224 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/nested_structure_ptr-2.i[822,835] [2021-07-06 19:29:56,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:29:56,082 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:29:56,109 WARN L224 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/nested_structure_ptr-2.i[822,835] [2021-07-06 19:29:56,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:29:56,143 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:29:56,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56 WrapperNode [2021-07-06 19:29:56,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:29:56,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:29:56,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:29:56,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:29:56,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:29:56,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:29:56,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:29:56,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:29:56,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:29:56,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:29:56,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:29:56,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:29:56,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (1/1) ... [2021-07-06 19:29:56,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:29:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:29:56,233 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) [2021-07-06 19:29:56,253 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 [2021-07-06 19:29:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-07-06 19:29:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-07-06 19:29:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:29:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:29:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 19:29:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:29:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:29:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 19:29:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 19:29:56,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:29:56,468 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-06 19:29:56,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:29:56 BoogieIcfgContainer [2021-07-06 19:29:56,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:29:56,470 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:29:56,470 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:29:56,472 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:29:56,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:29:56,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:29:55" (1/3) ... [2021-07-06 19:29:56,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5155fb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:29:56, skipping insertion in model container [2021-07-06 19:29:56,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:29:56,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:29:56" (2/3) ... [2021-07-06 19:29:56,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5155fb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:29:56, skipping insertion in model container [2021-07-06 19:29:56,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:29:56,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:29:56" (3/3) ... [2021-07-06 19:29:56,475 INFO L389 chiAutomizerObserver]: Analyzing ICFG nested_structure_ptr-2.i [2021-07-06 19:29:56,527 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:29:56,540 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:29:56,541 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:29:56,541 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:29:56,541 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:29:56,541 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:29:56,541 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:29:56,541 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:29:56,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-07-06 19:29:56,577 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:29:56,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:29:56,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:29:56 BoogieIcfgContainer [2021-07-06 19:29:56,585 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:29:56,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:29:56,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:29:56,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:29:56,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:29:56" (3/4) ... [2021-07-06 19:29:56,591 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:29:56,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:29:56,594 INFO L168 Benchmark]: Toolchain (without parser) took 623.24 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 43.7 MB in the beginning and 65.1 MB in the end (delta: -21.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:56,595 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 62.9 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:56,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.99 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 46.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:56,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 62.9 MB. Free memory was 46.7 MB in the beginning and 45.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:56,598 INFO L168 Benchmark]: Boogie Preprocessor took 28.97 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 44.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:56,598 INFO L168 Benchmark]: RCFGBuilder took 259.57 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 30.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 19:29:56,599 INFO L168 Benchmark]: BuchiAutomizer took 114.94 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 65.1 MB in the end (delta: -34.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:56,599 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 86.0 MB. Free memory is still 65.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:29:56,605 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 62.9 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 172.99 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 46.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 62.9 MB. Free memory was 46.7 MB in the beginning and 45.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.97 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 44.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 259.57 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 30.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 114.94 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 65.1 MB in the end (delta: -34.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.02 ms. Allocated memory is still 86.0 MB. Free memory is still 65.1 MB. 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! [2021-07-06 19:29:56,636 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...