./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/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_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/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 64bit --witnessprinter.graph.data.programhash ee2c4bfb4f0e969c72d63e165333f022bc23e626 ......................................................................................................................................................................................................................................................................................................................................................................... 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 01:14:13,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:14:13,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:14:13,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:14:13,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:14:13,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:14:13,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:14:13,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:14:13,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:14:13,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:14:13,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:14:13,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:14:13,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:14:13,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:14:13,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:14:13,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:14:13,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:14:13,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:14:13,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:14:13,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:14:13,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:14:13,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:14:13,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:14:13,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:14:13,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:14:13,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:14:13,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:14:13,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:14:13,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:14:13,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:14:13,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:14:13,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:14:13,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:14:13,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:14:13,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:14:13,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:14:13,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:14:13,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:14:13,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:14:13,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:14:13,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:14:13,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:14:13,872 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:14:13,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:14:13,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:14:13,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:14:13,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:14:13,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:14:13,884 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:14:13,885 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:14:13,885 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:14:13,885 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:14:13,887 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:14:13,887 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:14:13,887 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:14:13,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:14:13,888 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:14:13,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:14:13,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:14:13,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:14:13,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:14:13,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:14:13,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:14:13,890 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:14:13,890 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:14:13,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:14:13,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:14:13,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:14:13,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:14:13,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:14:13,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:14:13,893 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:14:13,893 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_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2c4bfb4f0e969c72d63e165333f022bc23e626 [2021-10-13 01:14:14,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:14:14,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:14:14,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:14:14,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:14:14,263 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:14:14,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2021-10-13 01:14:14,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/data/396254d96/ad9bb7c0e76847168f06e794ae74aa90/FLAGd392fa994 [2021-10-13 01:14:14,904 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:14:14,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2021-10-13 01:14:14,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/data/396254d96/ad9bb7c0e76847168f06e794ae74aa90/FLAGd392fa994 [2021-10-13 01:14:15,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/data/396254d96/ad9bb7c0e76847168f06e794ae74aa90 [2021-10-13 01:14:15,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:14:15,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:14:15,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:15,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:14:15,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:14:15,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf3e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15, skipping insertion in model container [2021-10-13 01:14:15,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:14:15,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:14:15,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:15,501 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:14:15,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:15,540 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:14:15,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15 WrapperNode [2021-10-13 01:14:15,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:15,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:15,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:14:15,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:14:15,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:15,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:14:15,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:14:15,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:14:15,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:14:15,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:14:15,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:14:15,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:14:15,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (1/1) ... [2021-10-13 01:14:15,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:15,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:15,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:15,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:14:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:14:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:14:15,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:14:15,861 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 01:14:15,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:15 BoogieIcfgContainer [2021-10-13 01:14:15,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:14:15,865 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:14:15,865 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:14:15,869 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:14:15,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:14:15,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:14:15" (1/3) ... [2021-10-13 01:14:15,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a75cdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:14:15, skipping insertion in model container [2021-10-13 01:14:15,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:14:15,872 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:15" (2/3) ... [2021-10-13 01:14:15,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a75cdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:14:15, skipping insertion in model container [2021-10-13 01:14:15,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:14:15,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:15" (3/3) ... [2021-10-13 01:14:15,875 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_AG313.c [2021-10-13 01:14:15,928 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:14:15,928 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:14:15,928 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:14:15,928 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:14:15,929 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:14:15,929 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:14:15,929 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:14:15,929 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:14:15,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:15,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-13 01:14:15,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:14:15,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:14:15,970 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:14:15,970 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 01:14:15,971 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:14:15,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:15,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-13 01:14:15,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:14:15,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:14:15,973 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:14:15,973 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-13 01:14:15,981 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := 0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L10true assume 0 != main_~x~0; 8#L11-2true [2021-10-13 01:14:15,982 INFO L793 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~i~0 := 1 + main_~i~0;main_~x~0 := main_~x~0 - 1 - (main_~y~0 - 1); 8#L11-2true [2021-10-13 01:14:15,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:15,989 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-10-13 01:14:16,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:16,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111722856] [2021-10-13 01:14:16,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:16,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:16,098 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:16,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2021-10-13 01:14:16,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:16,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335769180] [2021-10-13 01:14:16,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:16,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:16,141 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:16,149 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:16,151 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2021-10-13 01:14:16,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:16,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726389939] [2021-10-13 01:14:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:16,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:16,164 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:16,176 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:16,270 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:14:16,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:14:16,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:14:16,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:14:16,272 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:14:16,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:16,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:14:16,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:14:16,273 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2021-10-13 01:14:16,273 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:14:16,273 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:14:16,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:14:16,432 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:14:16,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:16,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:16,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:16,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:16,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:14:16,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:16,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:16,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:16,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:16,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:14:16,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:14:16,662 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:14:16,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:16,671 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:14:16,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:14:16,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:14:16,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:14:16,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:14:16,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:16,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:14:16,673 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:14:16,673 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2021-10-13 01:14:16,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:14:16,673 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:14:16,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:16,799 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:14:16,804 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:14:16,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:16,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:16,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:16,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:14:16,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:14:16,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:16,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:16,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:16,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:16,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:16,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:16,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:16,860 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:14:16,878 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:14:16,878 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:14:16,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:16,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:16,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:16,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:14:16,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:14:16,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:14:16,942 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:14:16,942 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-13 01:14:16,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:16,989 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:14:17,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:17,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:14:17,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:14:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:17,068 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 01:14:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:14:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:17,092 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-13 01:14:17,094 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:14:17,143 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Result 20 states and 23 transitions. Complement of second has 5 states. [2021-10-13 01:14:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 01:14:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:14:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-13 01:14:17,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-13 01:14:17,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:14:17,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-13 01:14:17,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:14:17,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-13 01:14:17,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:14:17,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-10-13 01:14:17,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:14:17,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-10-13 01:14:17,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:14:17,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:14:17,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:14:17,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:14:17,165 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:14:17,165 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:14:17,165 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:14:17,166 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:14:17,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:14:17,166 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:14:17,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:14:17,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:14:17 BoogieIcfgContainer [2021-10-13 01:14:17,174 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:14:17,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:14:17,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:14:17,176 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:14:17,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:15" (3/4) ... [2021-10-13 01:14:17,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:14:17,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:14:17,183 INFO L168 Benchmark]: Toolchain (without parser) took 1916.56 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 58.5 MB in the end (delta: 35.5 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:17,184 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:14:17,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.26 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 105.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:17,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.61 ms. Allocated memory is still 130.0 MB. Free memory was 105.3 MB in the beginning and 104.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:14:17,187 INFO L168 Benchmark]: Boogie Preprocessor took 20.80 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 103.2 MB in the end (delta: 792.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:17,188 INFO L168 Benchmark]: RCFGBuilder took 263.32 ms. Allocated memory is still 130.0 MB. Free memory was 102.5 MB in the beginning and 94.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:17,189 INFO L168 Benchmark]: BuchiAutomizer took 1309.00 ms. Allocated memory is still 130.0 MB. Free memory was 94.8 MB in the beginning and 58.5 MB in the end (delta: 36.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:17,190 INFO L168 Benchmark]: Witness Printer took 5.70 ms. Allocated memory is still 130.0 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:14:17,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 104.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.26 ms. Allocated memory is still 130.0 MB. Free memory was 94.0 MB in the beginning and 105.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.61 ms. Allocated memory is still 130.0 MB. Free memory was 105.3 MB in the beginning and 104.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.80 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 103.2 MB in the end (delta: 792.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 263.32 ms. Allocated memory is still 130.0 MB. Free memory was 102.5 MB in the beginning and 94.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1309.00 ms. Allocated memory is still 130.0 MB. Free memory was 94.8 MB in the beginning and 58.5 MB in the end (delta: 36.4 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.70 ms. Allocated memory is still 130.0 MB. Free memory is still 58.5 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 136ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:14:17,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:17,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d65795e-0a2b-4c52-88f3-7a931d3fcd76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...