./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt --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 ce7b4c27a33a76fee7e236f9d14730a3f20cacd2 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:27:52,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:27:52,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:27:52,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:27:52,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:27:52,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:27:52,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:27:52,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:27:52,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:27:52,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:27:52,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:27:52,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:27:52,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:27:52,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:27:52,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:27:52,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:27:52,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:27:52,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:27:52,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:27:52,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:27:52,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:27:52,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:27:52,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:27:52,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:27:52,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:27:52,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:27:52,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:27:52,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:27:52,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:27:52,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:27:52,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:27:52,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:27:52,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:27:52,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:27:52,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:27:52,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:27:52,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:27:52,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:27:52,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:27:52,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:27:52,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:27:52,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:27:52,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:27:52,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:27:52,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:27:52,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:27:52,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:27:52,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:27:52,879 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:27:52,879 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:27:52,880 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:27:52,880 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:27:52,880 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:27:52,880 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:27:52,881 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:27:52,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:27:52,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:27:52,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:27:52,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:27:52,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:27:52,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:27:52,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:27:52,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:27:52,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:27:52,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:27:52,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:27:52,883 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:27:52,883 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:27:52,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:27:52,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:27:52,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:27:52,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:27:52,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:27:52,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:27:52,886 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:27:52,886 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7b4c27a33a76fee7e236f9d14730a3f20cacd2 [2021-10-13 00:27:53,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:27:53,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:27:53,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:27:53,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:27:53,260 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:27:53,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-regression/nested_structure-2.i [2021-10-13 00:27:53,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/data/f7133e4bd/ae808b52faf74fe5a9164ecd1ed59b70/FLAG32c4b7aa5 [2021-10-13 00:27:53,967 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:27:53,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/sv-benchmarks/c/ldv-regression/nested_structure-2.i [2021-10-13 00:27:53,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/data/f7133e4bd/ae808b52faf74fe5a9164ecd1ed59b70/FLAG32c4b7aa5 [2021-10-13 00:27:54,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/data/f7133e4bd/ae808b52faf74fe5a9164ecd1ed59b70 [2021-10-13 00:27:54,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:27:54,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:27:54,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:27:54,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:27:54,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:27:54,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e7db68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54, skipping insertion in model container [2021-10-13 00:27:54,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:27:54,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:27:54,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/sv-benchmarks/c/ldv-regression/nested_structure-2.i[818,831] [2021-10-13 00:27:54,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:27:54,562 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:27:54,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/sv-benchmarks/c/ldv-regression/nested_structure-2.i[818,831] [2021-10-13 00:27:54,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:27:54,601 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:27:54,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54 WrapperNode [2021-10-13 00:27:54,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:27:54,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:27:54,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:27:54,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:27:54,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:27:54,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:27:54,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:27:54,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:27:54,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:27:54,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:27:54,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:27:54,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:27:54,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (1/1) ... [2021-10-13 00:27:54,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:27:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:27:54,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:27:54,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:27:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:27:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:27:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:27:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:27:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:27:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:27:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:27:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:27:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:27:55,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:27:55,032 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 00:27:55,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:55 BoogieIcfgContainer [2021-10-13 00:27:55,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:27:55,035 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:27:55,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:27:55,039 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:27:55,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:27:55,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:27:54" (1/3) ... [2021-10-13 00:27:55,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cdbd349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:27:55, skipping insertion in model container [2021-10-13 00:27:55,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:27:55,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:54" (2/3) ... [2021-10-13 00:27:55,055 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cdbd349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:27:55, skipping insertion in model container [2021-10-13 00:27:55,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:27:55,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:55" (3/3) ... [2021-10-13 00:27:55,057 INFO L389 chiAutomizerObserver]: Analyzing ICFG nested_structure-2.i [2021-10-13 00:27:55,136 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:27:55,137 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:27:55,137 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:27:55,137 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:27:55,137 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:27:55,137 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:27:55,137 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:27:55,138 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:27:55,150 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) [2021-10-13 00:27:55,169 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:27:55,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:27:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:27:55 BoogieIcfgContainer [2021-10-13 00:27:55,174 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:27:55,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:27:55,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:27:55,176 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:27:55,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:55" (3/4) ... [2021-10-13 00:27:55,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:27:55,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:27:55,183 INFO L168 Benchmark]: Toolchain (without parser) took 897.43 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 47.3 MB in the beginning and 68.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:55,185 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:27:55,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.61 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 47.1 MB in the beginning and 87.4 MB in the end (delta: -40.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:55,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.42 ms. Allocated memory is still 111.1 MB. Free memory was 87.4 MB in the beginning and 85.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:55,188 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 85.0 MB in the end (delta: 884.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:27:55,189 INFO L168 Benchmark]: RCFGBuilder took 356.27 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 73.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:55,190 INFO L168 Benchmark]: BuchiAutomizer took 139.23 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 69.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:55,191 INFO L168 Benchmark]: Witness Printer took 5.04 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 68.5 MB in the end (delta: 601.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:27:55,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 52.0 MB in the beginning and 51.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.61 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 47.1 MB in the beginning and 87.4 MB in the end (delta: -40.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.42 ms. Allocated memory is still 111.1 MB. Free memory was 87.4 MB in the beginning and 85.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 85.0 MB in the end (delta: 884.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 356.27 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 73.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 139.23 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 69.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.04 ms. Allocated memory is still 111.1 MB. Free memory was 69.1 MB in the beginning and 68.5 MB in the end (delta: 601.5 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! [2021-10-13 00:27:55,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5adbaaf6-1efb-4763-904e-367806efe486/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...