./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Continue1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Continue1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD --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 a40571433f24a7b15b183b3095b5da43803830f9d641dfe0ea4f99a62ff28fda ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:54:27,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:54:27,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:54:27,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:54:27,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:54:27,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:54:27,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:54:27,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:54:27,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:54:27,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:54:27,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:54:27,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:54:27,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:54:27,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:54:27,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:54:27,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:54:27,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:54:27,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:54:27,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:54:27,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:54:27,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:54:27,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:54:27,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:54:27,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:54:27,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:54:27,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:54:27,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:54:27,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:54:27,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:54:27,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:54:27,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:54:27,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:54:27,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:54:27,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:54:27,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:54:27,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:54:27,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:54:27,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:54:27,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:54:27,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:54:27,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:54:27,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:54:28,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:54:28,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:54:28,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:54:28,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:54:28,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:54:28,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:54:28,019 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:54:28,019 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:54:28,019 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:54:28,020 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:54:28,021 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:54:28,021 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:54:28,022 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:54:28,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:54:28,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:54:28,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:54:28,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:54:28,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:54:28,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:54:28,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:54:28,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:54:28,024 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:54:28,025 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:54:28,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:54:28,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:54:28,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:54:28,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:54:28,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:54:28,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:54:28,030 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:54:28,030 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_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a40571433f24a7b15b183b3095b5da43803830f9d641dfe0ea4f99a62ff28fda [2021-10-28 22:54:28,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:54:28,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:54:28,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:54:28,433 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:54:28,434 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:54:28,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/java_Continue1.c [2021-10-28 22:54:28,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/data/a282e05e2/ae056e9e16b0492eb2afdd1a8e0ff254/FLAG2889a6325 [2021-10-28 22:54:29,073 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:54:29,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/sv-benchmarks/c/termination-restricted-15/java_Continue1.c [2021-10-28 22:54:29,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/data/a282e05e2/ae056e9e16b0492eb2afdd1a8e0ff254/FLAG2889a6325 [2021-10-28 22:54:29,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/data/a282e05e2/ae056e9e16b0492eb2afdd1a8e0ff254 [2021-10-28 22:54:29,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:54:29,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:54:29,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:54:29,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:54:29,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:54:29,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ef9601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29, skipping insertion in model container [2021-10-28 22:54:29,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:54:29,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:54:29,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:54:29,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:54:29,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:54:29,768 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:54:29,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29 WrapperNode [2021-10-28 22:54:29,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:54:29,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:54:29,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:54:29,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:54:29,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:54:29,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:54:29,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:54:29,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:54:29,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:54:29,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:54:29,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:54:29,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:54:29,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (1/1) ... [2021-10-28 22:54:29,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:29,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:29,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:29,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:54:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:54:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:54:30,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:54:30,123 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 22:54:30,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:30 BoogieIcfgContainer [2021-10-28 22:54:30,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:54:30,128 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:54:30,129 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:54:30,133 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:54:30,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:54:30,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:54:29" (1/3) ... [2021-10-28 22:54:30,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c3a0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:54:30, skipping insertion in model container [2021-10-28 22:54:30,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:54:30,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:29" (2/3) ... [2021-10-28 22:54:30,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c3a0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:54:30, skipping insertion in model container [2021-10-28 22:54:30,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:54:30,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:30" (3/3) ... [2021-10-28 22:54:30,140 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_Continue1.c [2021-10-28 22:54:30,215 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:54:30,215 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:54:30,215 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:54:30,215 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:54:30,216 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:54:30,216 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:54:30,216 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:54:30,216 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:54:30,233 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) [2021-10-28 22:54:30,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:54:30,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:54:30,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:54:30,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 22:54:30,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:54:30,264 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:54:30,265 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) [2021-10-28 22:54:30,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:54:30,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:54:30,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:54:30,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 22:54:30,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:54:30,275 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~c~0;havoc main_~i~0;havoc main_~c~0;main_~i~0 := 0;main_~c~0 := 0; 3#L12-2true [2021-10-28 22:54:30,276 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~i~0 < 20);main_~i~0 := 1 + main_~i~0; 8#L12true assume main_~i~0 <= 10; 3#L12-2true [2021-10-28 22:54:30,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:30,284 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 22:54:30,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:30,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118153697] [2021-10-28 22:54:30,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:30,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:30,391 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:54:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:30,426 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:30,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:30,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-28 22:54:30,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:30,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272702143] [2021-10-28 22:54:30,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:30,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:30,454 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:54:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:30,473 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:30,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:30,475 INFO L85 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-28 22:54:30,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:30,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522686944] [2021-10-28 22:54:30,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:30,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:30,496 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:54:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:30,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:30,663 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:54:30,664 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:54:30,664 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:54:30,664 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:54:30,665 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 22:54:30,665 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:30,665 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:54:30,665 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:54:30,665 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration1_Loop [2021-10-28 22:54:30,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:54:30,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:54:30,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:30,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:30,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:30,813 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:54:30,815 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 22:54:30,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:30,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:30,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:54:30,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:54:30,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:30,890 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:54:30,890 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 22:54:30,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:30,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:30,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:30,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:54:30,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:54:30,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:30,966 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:54:30,967 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 22:54:31,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:31,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:31,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:31,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:54:31,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:54:31,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:31,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:31,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:31,093 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:54:31,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 22:54:31,095 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:31,245 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 22:54:31,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:31,252 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:54:31,253 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:54:31,253 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:54:31,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:54:31,253 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:54:31,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:54:31,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:54:31,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration1_Loop [2021-10-28 22:54:31,254 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:54:31,254 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:54:31,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:31,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:31,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:31,357 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:54:31,363 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:54:31,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:31,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:31,377 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 [2021-10-28 22:54:31,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:54:31,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:54:31,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:54:31,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:54:31,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:54:31,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:54:31,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:54:31,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:54:31,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:31,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:31,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:31,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:54:31,476 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 [2021-10-28 22:54:31,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:54:31,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:54:31,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:54:31,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:54:31,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:54:31,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:54:31,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:54:31,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:31,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:31,545 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:31,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:54:31,549 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 [2021-10-28 22:54:31,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:54:31,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:54:31,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:54:31,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:54:31,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:54:31,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:54:31,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:54:31,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:54:31,580 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 22:54:31,580 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 22:54:31,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:31,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:31,583 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:31,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:54:31,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:54:31,602 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 22:54:31,602 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:54:31,603 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [2021-10-28 22:54:31,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:31,629 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 22:54:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:31,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:54:31,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:54:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:31,682 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:54:31,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:54:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:54:31,740 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:54:31,742 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 3 states, 3 states have (on average 1.0) 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) [2021-10-28 22:54:31,823 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 3 states, 3 states have (on average 1.0) 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 28 states and 35 transitions. Complement of second has 7 states. [2021-10-28 22:54:31,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:54:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) 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) [2021-10-28 22:54:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-28 22:54:31,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 22:54:31,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:54:31,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 22:54:31,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:54:31,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-28 22:54:31,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:54:31,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2021-10-28 22:54:31,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:54:31,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 8 states and 11 transitions. [2021-10-28 22:54:31,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-28 22:54:31,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-28 22:54:31,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-10-28 22:54:31,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:54:31,849 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-10-28 22:54:31,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-10-28 22:54:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-28 22:54:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-28 22:54:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-28 22:54:31,879 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 22:54:31,879 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 22:54:31,879 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:54:31,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-28 22:54:31,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:54:31,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:54:31,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:54:31,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 22:54:31,881 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:54:31,881 INFO L791 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0, main_~c~0;havoc main_~i~0;havoc main_~c~0;main_~i~0 := 0;main_~c~0 := 0; 76#L12-2 assume !!(main_~i~0 < 20);main_~i~0 := 1 + main_~i~0; 72#L12 [2021-10-28 22:54:31,881 INFO L793 eck$LassoCheckResult]: Loop: 72#L12 assume !(main_~i~0 <= 10);main_~c~0 := 1 + main_~c~0; 71#L12-2 assume !!(main_~i~0 < 20);main_~i~0 := 1 + main_~i~0; 72#L12 [2021-10-28 22:54:31,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:31,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 22:54:31,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:31,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339312652] [2021-10-28 22:54:31,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:31,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:31,889 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:54:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:31,894 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2021-10-28 22:54:31,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:31,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742192725] [2021-10-28 22:54:31,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:31,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:31,903 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:54:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:54:31,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:54:31,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:31,910 INFO L85 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2021-10-28 22:54:31,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:54:31,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37646497] [2021-10-28 22:54:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:54:31,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:54:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:54:31,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:54:31,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37646497] [2021-10-28 22:54:31,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37646497] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:54:31,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:54:31,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:54:31,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295130765] [2021-10-28 22:54:32,025 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:54:32,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:54:32,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:54:32,026 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:54:32,026 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 22:54:32,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:54:32,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:54:32,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration2_Loop [2021-10-28 22:54:32,027 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:54:32,027 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:54:32,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:54:32,121 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 22:54:32,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:32,123 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:32,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:54:32,131 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:32,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:54:32,153 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:54:32,153 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 22:54:32,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:32,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:32,204 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:32,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:54:32,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:54:32,211 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:32,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:32,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:32,281 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:32,291 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 22:54:32,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:54:32,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:54:32,317 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 22:54:32,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:32,346 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:54:32,346 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:54:32,346 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:54:32,346 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:54:32,346 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:54:32,346 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:54:32,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:54:32,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Continue1.c_Iteration2_Loop [2021-10-28 22:54:32,347 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:54:32,347 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:54:32,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:54:32,439 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:54:32,439 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:54:32,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:32,442 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:32,450 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 [2021-10-28 22:54:32,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:54:32,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:54:32,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:54:32,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:54:32,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:54:32,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:54:32,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:54:32,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:54:32,481 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:54:32,485 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 22:54:32,485 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 22:54:32,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:54:32,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:54:32,487 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:54:32,490 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:54:32,490 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 22:54:32,490 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:54:32,490 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 39 Supporting invariants [] [2021-10-28 22:54:32,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:54:32,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:32,538 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 22:54:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:54:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:32,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:54:32,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:54:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:54:32,577 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:54:32,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:54:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:54:32,591 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 [2021-10-28 22:54:32,591 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-28 22:54:32,607 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 11 states and 15 transitions. Complement of second has 4 states. [2021-10-28 22:54:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:54:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-28 22:54:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-28 22:54:32,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 22:54:32,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:54:32,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 22:54:32,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:54:32,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 22:54:32,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:54:32,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 15 transitions. [2021-10-28 22:54:32,613 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:54:32,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2021-10-28 22:54:32,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:54:32,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:54:32,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:54:32,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:54:32,615 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:54:32,615 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:54:32,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:54:32,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:54:32,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:54:32,622 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-28 22:54:32,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:54:32,625 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 22:54:32,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:54:32,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 22:54:32,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:54:32,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:54:32,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:54:32,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:54:32,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:54:32,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:54:32,637 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:54:32,637 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:54:32,637 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:54:32,637 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:54:32,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:54:32,638 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:54:32,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:54:32,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:54:32 BoogieIcfgContainer [2021-10-28 22:54:32,646 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:54:32,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:54:32,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:54:32,647 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:54:32,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:30" (3/4) ... [2021-10-28 22:54:32,651 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:54:32,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:54:32,661 INFO L168 Benchmark]: Toolchain (without parser) took 3230.43 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 73.1 MB in the beginning and 65.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:32,662 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 107.0 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:54:32,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.59 ms. Allocated memory is still 107.0 MB. Free memory was 72.9 MB in the beginning and 82.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:32,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.51 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:54:32,665 INFO L168 Benchmark]: Boogie Preprocessor took 24.32 ms. Allocated memory is still 107.0 MB. Free memory was 81.6 MB in the beginning and 80.7 MB in the end (delta: 970.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:32,666 INFO L168 Benchmark]: RCFGBuilder took 288.94 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 73.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:32,667 INFO L168 Benchmark]: BuchiAutomizer took 2517.88 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 72.9 MB in the beginning and 65.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:54:32,674 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 130.0 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:54:32,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 107.0 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 331.59 ms. Allocated memory is still 107.0 MB. Free memory was 72.9 MB in the beginning and 82.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.51 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.32 ms. Allocated memory is still 107.0 MB. Free memory was 81.6 MB in the beginning and 80.7 MB in the end (delta: 970.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 288.94 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 73.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2517.88 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 72.9 MB in the beginning and 65.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.55 ms. Allocated memory is still 130.0 MB. Free memory is still 65.6 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 Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 39 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 13 SDslu, 9 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax193 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:54:32,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:32,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:54:33,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d0d73b-11c3-41c8-9c21-f9baea3768f0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...