./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/2Nested-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/2Nested-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS --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 98e3578cd96fe8b8eee528450509f182c2f5e45fbe2813a1c7e5d95c43606358 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:40:48,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:40:48,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:40:48,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:40:48,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:40:48,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:40:48,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:40:48,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:40:48,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:40:48,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:40:48,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:40:48,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:40:48,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:40:48,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:40:48,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:40:48,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:40:48,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:40:48,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:40:48,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:40:48,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:40:48,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:40:48,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:40:48,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:40:48,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:40:48,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:40:48,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:40:48,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:40:48,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:40:48,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:40:48,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:40:48,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:40:48,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:40:48,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:40:48,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:40:48,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:40:48,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:40:48,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:40:48,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:40:48,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:40:48,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:40:48,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:40:48,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 03:40:48,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:40:48,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:40:48,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:40:48,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:40:48,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:40:48,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:40:48,782 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:40:48,782 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:40:48,782 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:40:48,783 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:40:48,783 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:40:48,783 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:40:48,783 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:40:48,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:40:48,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:40:48,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:40:48,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:40:48,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:40:48,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:40:48,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:40:48,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:40:48,786 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:40:48,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:40:48,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:40:48,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:40:48,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:40:48,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:40:48,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:40:48,789 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:40:48,789 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_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98e3578cd96fe8b8eee528450509f182c2f5e45fbe2813a1c7e5d95c43606358 [2022-11-23 03:40:49,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:40:49,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:40:49,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:40:49,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:40:49,182 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:40:49,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-crafted/2Nested-1.c [2022-11-23 03:40:52,527 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:40:52,775 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:40:52,776 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/sv-benchmarks/c/termination-crafted/2Nested-1.c [2022-11-23 03:40:52,784 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/data/624b7c92b/bea6c7467f7f43569a196dcc93d9aa58/FLAG1084be331 [2022-11-23 03:40:52,803 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/data/624b7c92b/bea6c7467f7f43569a196dcc93d9aa58 [2022-11-23 03:40:52,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:40:52,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:40:52,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:40:52,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:40:52,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:40:52,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:52" (1/1) ... [2022-11-23 03:40:52,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543d1237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:52, skipping insertion in model container [2022-11-23 03:40:52,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:52" (1/1) ... [2022-11-23 03:40:52,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:40:52,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:40:53,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:40:53,051 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:40:53,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:40:53,074 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:40:53,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53 WrapperNode [2022-11-23 03:40:53,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:40:53,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:40:53,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:40:53,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:40:53,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,107 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-23 03:40:53,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:40:53,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:40:53,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:40:53,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:40:53,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:40:53,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:40:53,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:40:53,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:40:53,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 03:40:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:53,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:40:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:40:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:40:53,281 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:40:53,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:40:53,346 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:40:53,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:40:53,353 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:40:53,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:53 BoogieIcfgContainer [2022-11-23 03:40:53,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:40:53,356 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:40:53,356 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:40:53,359 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:40:53,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:40:53,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:40:52" (1/3) ... [2022-11-23 03:40:53,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78415745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:40:53, skipping insertion in model container [2022-11-23 03:40:53,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:40:53,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (2/3) ... [2022-11-23 03:40:53,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78415745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:40:53, skipping insertion in model container [2022-11-23 03:40:53,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:40:53,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:53" (3/3) ... [2022-11-23 03:40:53,363 INFO L332 chiAutomizerObserver]: Analyzing ICFG 2Nested-1.c [2022-11-23 03:40:53,449 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:40:53,449 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:40:53,450 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:40:53,450 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:40:53,450 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:40:53,450 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:40:53,451 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:40:53,451 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:40:53,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-23 03:40:53,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:40:53,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:40:53,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:40:53,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:40:53,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:40:53,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:40:53,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-23 03:40:53,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 03:40:53,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:40:53,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:40:53,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 03:40:53,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 03:40:53,504 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L21true assume !!(main_~x~0#1 <= 65534); 3#L22true assume !!(main_~y~0#1 <= 65534); 10#L24true assume !!(main_~y~0#1 >= -65534); 4#L25-2true [2022-11-23 03:40:53,504 INFO L750 eck$LassoCheckResult]: Loop: 4#L25-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 - 1; 4#L25-2true [2022-11-23 03:40:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:53,512 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-11-23 03:40:53,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:53,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775997826] [2022-11-23 03:40:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:53,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:53,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:53,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:53,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:53,727 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2022-11-23 03:40:53,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:53,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957432927] [2022-11-23 03:40:53,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:53,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:53,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:53,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2022-11-23 03:40:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:40:53,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858834382] [2022-11-23 03:40:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:40:53,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:40:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:53,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:40:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:40:53,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:40:53,946 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:40:53,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:40:53,947 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:40:53,947 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:40:53,948 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 03:40:53,948 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:53,948 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:40:53,948 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:40:53,948 INFO L133 ssoRankerPreferences]: Filename of dumped script: 2Nested-1.c_Iteration1_Loop [2022-11-23 03:40:53,948 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:40:53,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:40:53,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:40:53,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:40:53,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:40:54,106 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:40:54,107 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 03:40:54,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 03:40:54,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:40:54,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:40:54,142 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:40:54,142 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: [] [2022-11-23 03:40:54,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-23 03:40:54,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 03:40:54,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:40:54,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:40:54,172 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 03:40:54,172 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: [] [2022-11-23 03:40:54,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 03:40:54,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 03:40:54,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:40:54,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-23 03:40:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,241 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 03:40:54,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 03:40:54,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 03:40:54,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 03:40:54,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,374 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:40:54,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:40:54,375 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:40:54,375 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:40:54,375 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:40:54,375 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,375 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:40:54,375 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:40:54,375 INFO L133 ssoRankerPreferences]: Filename of dumped script: 2Nested-1.c_Iteration1_Loop [2022-11-23 03:40:54,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:40:54,376 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:40:54,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:40:54,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:40:54,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:40:54,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:40:54,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:40:54,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,451 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,456 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 [2022-11-23 03:40:54,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 03:40:54,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:40:54,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:40:54,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:40:54,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:40:54,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:40:54,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:40:54,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:40:54,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,509 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,513 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 [2022-11-23 03:40:54,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 03:40:54,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:40:54,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:40:54,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:40:54,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:40:54,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:40:54,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:40:54,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:40:54,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,587 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 03:40:54,596 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 [2022-11-23 03:40:54,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:40:54,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:40:54,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:40:54,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:40:54,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:40:54,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:40:54,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:40:54,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:40:54,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,638 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-23 03:40:54,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,640 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,654 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 [2022-11-23 03:40:54,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 03:40:54,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:40:54,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:40:54,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:40:54,671 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 03:40:54,677 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-23 03:40:54,677 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-23 03:40:54,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:40:54,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,713 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 03:40:54,722 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 [2022-11-23 03:40:54,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:40:54,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:40:54,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:40:54,739 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 03:40:54,744 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-23 03:40:54,745 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-23 03:40:54,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:40:54,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,772 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 03:40:54,780 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 [2022-11-23 03:40:54,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:40:54,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:40:54,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:40:54,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:40:54,797 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 03:40:54,800 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 03:40:54,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:40:54,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:40:54,818 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-23 03:40:54,819 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-23 03:40:54,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:40:54,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:40:54,855 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:40:54,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:40:54,857 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 03:40:54,857 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:40:54,857 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~y~0#1 + 1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-11-23 03:40:54,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 03:40:54,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:54,868 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 03:40:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:40:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:40:54,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:40:54,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:40:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:40:54,946 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 03:40:54,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:40:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:40:54,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 03:40:55,037 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-23 03:40:55,040 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-23 03:40:55,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 22 states and 27 transitions. Complement of second has 5 states. [2022-11-23 03:40:55,084 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 [2022-11-23 03:40:55,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-23 03:40:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-23 03:40:55,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-23 03:40:55,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:40:55,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-23 03:40:55,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:40:55,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-23 03:40:55,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:40:55,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-11-23 03:40:55,097 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:40:55,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-11-23 03:40:55,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 03:40:55,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 03:40:55,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 03:40:55,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:40:55,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:40:55,103 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:40:55,103 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:40:55,103 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:40:55,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:40:55,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:40:55,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 03:40:55,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:40:55 BoogieIcfgContainer [2022-11-23 03:40:55,112 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:40:55,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:40:55,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:40:55,113 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:40:55,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:53" (3/4) ... [2022-11-23 03:40:55,117 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:40:55,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:40:55,118 INFO L158 Benchmark]: Toolchain (without parser) took 2309.58ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 113.8MB in the end (delta: 413.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:55,118 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:55,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.47ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 119.2MB in the end (delta: -5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 03:40:55,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.71ms. Allocated memory is still 148.9MB. Free memory was 118.7MB in the beginning and 117.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:55,120 INFO L158 Benchmark]: Boogie Preprocessor took 19.80ms. Allocated memory is still 148.9MB. Free memory was 117.7MB in the beginning and 116.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:40:55,121 INFO L158 Benchmark]: RCFGBuilder took 226.45ms. Allocated memory is still 148.9MB. Free memory was 116.6MB in the beginning and 108.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 03:40:55,121 INFO L158 Benchmark]: BuchiAutomizer took 1755.94ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 114.5MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:55,122 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 148.9MB. Free memory was 114.5MB in the beginning and 113.8MB in the end (delta: 639.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:40:55,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.47ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 119.2MB in the end (delta: -5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.71ms. Allocated memory is still 148.9MB. Free memory was 118.7MB in the beginning and 117.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.80ms. Allocated memory is still 148.9MB. Free memory was 117.7MB in the beginning and 116.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 226.45ms. Allocated memory is still 148.9MB. Free memory was 116.6MB in the beginning and 108.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1755.94ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 114.5MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 148.9MB. Free memory was 114.5MB in the beginning and 113.8MB in the end (delta: 639.7kB). There was no memory consumed. Max. memory is 16.1GB. * 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 2-nested ranking function (if 2 * y + 1 > 0 then 1 else 0), (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-23 03:40:55,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045ce024-e9ba-40b2-918f-30b0c091e9aa/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE