./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/recursive_list.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/recursive_list.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX --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 52c76a7df26fca079cfc43e405f2f619070583ff933a68f0bba20f0a9dce8e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:08:59,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:08:59,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:08:59,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:08:59,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:08:59,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:08:59,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:08:59,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:08:59,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:08:59,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:08:59,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:08:59,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:08:59,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:08:59,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:08:59,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:08:59,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:08:59,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:08:59,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:08:59,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:08:59,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:08:59,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:08:59,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:08:59,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:08:59,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:08:59,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:08:59,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:08:59,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:08:59,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:08:59,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:08:59,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:08:59,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:08:59,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:08:59,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:08:59,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:08:59,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:08:59,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:08:59,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:08:59,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:08:59,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:08:59,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:08:59,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:08:59,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 09:08:59,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:08:59,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:08:59,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:08:59,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:08:59,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:08:59,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:08:59,836 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:08:59,836 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:08:59,837 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:08:59,837 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:08:59,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:08:59,838 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:08:59,839 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:08:59,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:08:59,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:08:59,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:08:59,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:08:59,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:08:59,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:08:59,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:08:59,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:08:59,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:08:59,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:08:59,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:08:59,842 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:08:59,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:08:59,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:08:59,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:08:59,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:08:59,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:08:59,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:08:59,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:08:59,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:08:59,847 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_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52c76a7df26fca079cfc43e405f2f619070583ff933a68f0bba20f0a9dce8e14 [2021-11-09 09:09:00,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:09:00,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:09:00,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:09:00,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:09:00,242 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:09:00,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-regression/recursive_list.i [2021-11-09 09:09:00,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/data/ddaefda7c/7859371033dd4d20b6a357edbeac7244/FLAG78d09916f [2021-11-09 09:09:00,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:09:00,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/sv-benchmarks/c/ldv-regression/recursive_list.i [2021-11-09 09:09:00,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/data/ddaefda7c/7859371033dd4d20b6a357edbeac7244/FLAG78d09916f [2021-11-09 09:09:01,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/data/ddaefda7c/7859371033dd4d20b6a357edbeac7244 [2021-11-09 09:09:01,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:09:01,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:09:01,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:01,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:09:01,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:09:01,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d46c39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01, skipping insertion in model container [2021-11-09 09:09:01,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:09:01,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:01,473 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_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/sv-benchmarks/c/ldv-regression/recursive_list.i[409,422] [2021-11-09 09:09:01,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:01,502 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:09:01,516 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_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/sv-benchmarks/c/ldv-regression/recursive_list.i[409,422] [2021-11-09 09:09:01,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:01,541 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:09:01,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01 WrapperNode [2021-11-09 09:09:01,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:01,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:01,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:09:01,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:09:01,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:01,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:09:01,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:09:01,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:09:01,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:09:01,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:09:01,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:09:01,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:09:01,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (1/1) ... [2021-11-09 09:09:01,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:09:01,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:09:01,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:09:01,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:09:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:09:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:09:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:09:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:09:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:09:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:09:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:09:01,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:09:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:09:01,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:09:01,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:09:01,989 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-09 09:09:01,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:01 BoogieIcfgContainer [2021-11-09 09:09:01,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:09:01,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:09:01,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:09:01,996 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:09:01,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:09:01,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:09:01" (1/3) ... [2021-11-09 09:09:01,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4668c7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:09:01, skipping insertion in model container [2021-11-09 09:09:01,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:09:02,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:01" (2/3) ... [2021-11-09 09:09:02,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4668c7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:09:02, skipping insertion in model container [2021-11-09 09:09:02,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:09:02,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:01" (3/3) ... [2021-11-09 09:09:02,002 INFO L389 chiAutomizerObserver]: Analyzing ICFG recursive_list.i [2021-11-09 09:09:02,054 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:09:02,066 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:09:02,066 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:09:02,067 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:09:02,067 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:09:02,067 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:09:02,067 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:09:02,067 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:09:02,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2021-11-09 09:09:02,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:09:02,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:09:02,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:09:02 BoogieIcfgContainer [2021-11-09 09:09:02,133 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:09:02,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:09:02,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:09:02,134 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:09:02,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:01" (3/4) ... [2021-11-09 09:09:02,138 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:09:02,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:09:02,141 INFO L168 Benchmark]: Toolchain (without parser) took 898.65 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 51.7 MB in the beginning and 68.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:02,142 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:02,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.46 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 51.5 MB in the beginning and 89.4 MB in the end (delta: -37.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:02,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.53 ms. Allocated memory is still 113.2 MB. Free memory was 88.8 MB in the beginning and 87.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:02,145 INFO L168 Benchmark]: Boogie Preprocessor took 30.13 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 86.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:02,148 INFO L168 Benchmark]: RCFGBuilder took 371.68 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 74.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:02,149 INFO L168 Benchmark]: BuchiAutomizer took 140.68 ms. Allocated memory is still 113.2 MB. Free memory was 74.1 MB in the beginning and 68.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:02,150 INFO L168 Benchmark]: Witness Printer took 4.64 ms. Allocated memory is still 113.2 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:02,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.46 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 51.5 MB in the beginning and 89.4 MB in the end (delta: -37.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.53 ms. Allocated memory is still 113.2 MB. Free memory was 88.8 MB in the beginning and 87.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.13 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 86.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 371.68 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 74.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 140.68 ms. Allocated memory is still 113.2 MB. Free memory was 74.1 MB in the beginning and 68.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.64 ms. Allocated memory is still 113.2 MB. Free memory is still 68.6 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! [2021-11-09 09:09:02,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9949e99f-4f66-4f0d-a6cb-028c94f6fec9/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE