./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8 --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 2a633be8572429ac13238ea7bd46ff22a6a657dc142a1db237c08b8a68a6d4e8 --- 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-2329fc7 [2022-12-13 12:05:55,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:05:55,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:05:55,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:05:55,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:05:55,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:05:55,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:05:55,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:05:55,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:05:55,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:05:55,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:05:55,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:05:55,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:05:55,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:05:55,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:05:55,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:05:55,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:05:55,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:05:55,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:05:55,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:05:55,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:05:55,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:05:55,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:05:55,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:05:55,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:05:55,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:05:55,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:05:55,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:05:55,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:05:55,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:05:55,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:05:55,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:05:55,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:05:55,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:05:55,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:05:55,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:05:55,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:05:55,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:05:55,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:05:55,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:05:55,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:05:55,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 12:05:55,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:05:55,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:05:55,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:05:55,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:05:55,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:05:55,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:05:55,816 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:05:55,816 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:05:55,816 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:05:55,817 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:05:55,817 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:05:55,817 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:05:55,817 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:05:55,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:05:55,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:05:55,818 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:05:55,819 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:05:55,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:05:55,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:05:55,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:05:55,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:05:55,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:05:55,820 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:05:55,820 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_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a633be8572429ac13238ea7bd46ff22a6a657dc142a1db237c08b8a68a6d4e8 [2022-12-13 12:05:55,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:05:56,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:05:56,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:05:56,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:05:56,004 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:05:56,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2022-12-13 12:05:58,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:05:58,695 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:05:58,696 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2022-12-13 12:05:58,700 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/data/062636d4a/b002d15694dc45eebecaa8148d81eb0c/FLAG46fb162ef [2022-12-13 12:05:58,711 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/data/062636d4a/b002d15694dc45eebecaa8148d81eb0c [2022-12-13 12:05:58,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:05:58,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:05:58,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:05:58,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:05:58,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:05:58,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98ddf50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58, skipping insertion in model container [2022-12-13 12:05:58,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:05:58,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:05:58,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:05:58,841 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:05:58,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:05:58,860 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:05:58,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58 WrapperNode [2022-12-13 12:05:58,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:05:58,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:05:58,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:05:58,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:05:58,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,881 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2022-12-13 12:05:58,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:05:58,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:05:58,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:05:58,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:05:58,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:05:58,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:05:58,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:05:58,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:05:58,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (1/1) ... [2022-12-13 12:05:58,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:58,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:58,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:05:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:05:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:05:59,017 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:05:59,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:05:59,060 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:05:59,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:05:59,064 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:05:59,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:05:59 BoogieIcfgContainer [2022-12-13 12:05:59,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:05:59,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:05:59,067 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:05:59,069 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:05:59,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:05:59,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:05:58" (1/3) ... [2022-12-13 12:05:59,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aa6d7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:05:59, skipping insertion in model container [2022-12-13 12:05:59,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:05:59,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:05:58" (2/3) ... [2022-12-13 12:05:59,071 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aa6d7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:05:59, skipping insertion in model container [2022-12-13 12:05:59,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:05:59,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:05:59" (3/3) ... [2022-12-13 12:05:59,072 INFO L332 chiAutomizerObserver]: Analyzing ICFG Pure2Phase-1.c [2022-12-13 12:05:59,110 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:05:59,110 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:05:59,110 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:05:59,110 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:05:59,110 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:05:59,110 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:05:59,110 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:05:59,111 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:05:59,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2022-12-13 12:05:59,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:05:59,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:05:59,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:05:59,129 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 12:05:59,129 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:05:59,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:05:59,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2022-12-13 12:05:59,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:05:59,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:05:59,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:05:59,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 12:05:59,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:05:59,136 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L20true assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 6#L21true assume !!(main_~z~0#1 <= 1073741823); 4#L24-2true [2022-12-13 12:05:59,136 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 11#L24true assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1; 4#L24-2true [2022-12-13 12:05:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,140 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-12-13 12:05:59,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:05:59,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150981691] [2022-12-13 12:05:59,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:05:59,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:05:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:05:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:05:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 1 times [2022-12-13 12:05:59,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:05:59,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263293763] [2022-12-13 12:05:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:05:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:05:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:05:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:05:59,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,228 INFO L85 PathProgramCache]: Analyzing trace with hash 889571474, now seen corresponding path program 1 times [2022-12-13 12:05:59,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:05:59,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566669690] [2022-12-13 12:05:59,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:05:59,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:05:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:05:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:05:59,298 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:05:59,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:05:59,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:05:59,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:05:59,299 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:05:59,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:05:59,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:05:59,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration1_Loop [2022-12-13 12:05:59,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:05:59,299 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:05:59,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,399 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:05:59,399 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:05:59,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 12:05:59,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,426 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:05:59,427 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: [] [2022-12-13 12:05:59,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:05:59,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 12:05:59,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,453 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:05:59,453 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: [] [2022-12-13 12:05:59,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 12:05:59,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 12:05:59,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 12:05:59,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,477 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 12:05:59,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:05:59,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,503 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:05:59,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 12:05:59,506 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:05:59,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:05:59,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:05:59,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:05:59,506 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:05:59,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:05:59,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:05:59,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration1_Loop [2022-12-13 12:05:59,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:05:59,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:05:59,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,569 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:05:59,572 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:05:59,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,574 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 12:05:59,576 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 [2022-12-13 12:05:59,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:05:59,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:05:59,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:05:59,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:05:59,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:05:59,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:05:59,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:05:59,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 12:05:59,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,601 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 12:05:59,603 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 [2022-12-13 12:05:59,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:05:59,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:05:59,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:05:59,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:05:59,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:05:59,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:05:59,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:05:59,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:05:59,621 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:05:59,621 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:05:59,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,657 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 12:05:59,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:05:59,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:05:59,659 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:05:59,659 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2022-12-13 12:05:59,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-12-13 12:05:59,665 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:05:59,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:05:59,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:05:59,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:05:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:05:59,703 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:05:59,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:05:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:05:59,739 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:05:59,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 2.0) internal successors, (6), 3 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) [2022-12-13 12:05:59,773 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 2.0) internal successors, (6), 3 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 30 states and 39 transitions. Complement of second has 8 states. [2022-12-13 12:05:59,774 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 [2022-12-13 12:05:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-12-13 12:05:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2022-12-13 12:05:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 12:05:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:05:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 12:05:59,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:05:59,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 4 letters. [2022-12-13 12:05:59,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:05:59,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2022-12-13 12:05:59,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:05:59,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2022-12-13 12:05:59,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 12:05:59,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 12:05:59,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2022-12-13 12:05:59,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 12:05:59,786 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-13 12:05:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2022-12-13 12:05:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-12-13 12:05:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-12-13 12:05:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-12-13 12:05:59,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-13 12:05:59,803 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-13 12:05:59,803 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:05:59,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-12-13 12:05:59,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:05:59,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:05:59,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:05:59,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:05:59,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 12:05:59,804 INFO L748 eck$LassoCheckResult]: Stem: 94#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 95#L-1 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_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 96#L20 assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 92#L21 assume !!(main_~z~0#1 <= 1073741823); 93#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 90#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 91#L27 [2022-12-13 12:05:59,804 INFO L750 eck$LassoCheckResult]: Loop: 91#L27 assume !!(main_~z~0#1 <= 1073741823); 86#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 87#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 91#L27 [2022-12-13 12:05:59,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,804 INFO L85 PathProgramCache]: Analyzing trace with hash 889571467, now seen corresponding path program 1 times [2022-12-13 12:05:59,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:05:59,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486542781] [2022-12-13 12:05:59,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:05:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:05:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:05:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:05:59,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,814 INFO L85 PathProgramCache]: Analyzing trace with hash 58335, now seen corresponding path program 1 times [2022-12-13 12:05:59,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:05:59,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450611149] [2022-12-13 12:05:59,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:05:59,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:05:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:05:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:05:59,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:05:59,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1275385621, now seen corresponding path program 1 times [2022-12-13 12:05:59,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:05:59,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25283687] [2022-12-13 12:05:59,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:05:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:05:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:05:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:05:59,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:05:59,854 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:05:59,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:05:59,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:05:59,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:05:59,854 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:05:59,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:05:59,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:05:59,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration2_Loop [2022-12-13 12:05:59,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:05:59,855 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:05:59,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:05:59,910 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:05:59,911 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:05:59,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 12:05:59,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,932 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:05:59,932 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: [] [2022-12-13 12:05:59,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 12:05:59,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 12:05:59,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,956 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:05:59,956 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:05:59,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 12:05:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,960 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 12:05:59,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:05:59,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:05:59,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=1006632960, ULTIMATE.start_main_#t~nondet2#1=1006632960} Honda state: {ULTIMATE.start_main_~z~0#1=1006632960, ULTIMATE.start_main_#t~nondet2#1=1006632960} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:05:59,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 12:05:59,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:05:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:05:59,986 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:05:59,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 12:05:59,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:05:59,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 12:06:00,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 12:06:00,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:06:00,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,076 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:06:00,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 12:06:00,079 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:06:00,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:06:00,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:06:00,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:06:00,079 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:06:00,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,079 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:06:00,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:06:00,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration2_Loop [2022-12-13 12:06:00,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:06:00,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:06:00,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,125 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:06:00,125 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:06:00,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,127 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 12:06:00,129 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 [2022-12-13 12:06:00,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:06:00,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:06:00,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:00,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 12:06:00,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,148 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 12:06:00,150 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 [2022-12-13 12:06:00,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:00,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:00,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:00,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:00,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,167 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 12:06:00,169 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 [2022-12-13 12:06:00,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:06:00,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:06:00,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:00,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,190 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 12:06:00,192 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 [2022-12-13 12:06:00,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:00,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:00,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:00,206 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:06:00,209 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:06:00,209 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 12:06:00,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,210 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 12:06:00,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:06:00,212 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:06:00,212 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:06:00,212 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-12-13 12:06:00,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 12:06:00,215 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:06:00,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:00,261 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:06:00,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-12-13 12:06:00,275 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Result 16 states and 21 transitions. Complement of second has 6 states. [2022-12-13 12:06:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 12:06:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-12-13 12:06:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-12-13 12:06:00,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2022-12-13 12:06:00,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2022-12-13 12:06:00,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2022-12-13 12:06:00,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2022-12-13 12:06:00,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:06:00,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2022-12-13 12:06:00,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 12:06:00,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 12:06:00,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-12-13 12:06:00,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 12:06:00,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-12-13 12:06:00,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-12-13 12:06:00,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2022-12-13 12:06:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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) [2022-12-13 12:06:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-12-13 12:06:00,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-12-13 12:06:00,281 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-12-13 12:06:00,281 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 12:06:00,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-12-13 12:06:00,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:06:00,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:06:00,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:06:00,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:06:00,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:06:00,282 INFO L748 eck$LassoCheckResult]: Stem: 170#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 172#L20 assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 168#L21 assume !!(main_~z~0#1 <= 1073741823); 169#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 175#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 166#L27 assume !!(main_~z~0#1 <= 1073741823); 162#L24-2 [2022-12-13 12:06:00,282 INFO L750 eck$LassoCheckResult]: Loop: 162#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 163#L24 assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1; 162#L24-2 [2022-12-13 12:06:00,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1806911730, now seen corresponding path program 2 times [2022-12-13 12:06:00,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:00,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370403738] [2022-12-13 12:06:00,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:00,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:00,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 2 times [2022-12-13 12:06:00,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:00,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260241697] [2022-12-13 12:06:00,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:00,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:00,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 12:06:00,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 12:06:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:00,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1275385628, now seen corresponding path program 1 times [2022-12-13 12:06:00,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:00,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981504839] [2022-12-13 12:06:00,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:00,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:00,337 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:06:00,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:06:00,337 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:06:00,337 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:06:00,337 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:06:00,337 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,337 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:06:00,337 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:06:00,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration3_Loop [2022-12-13 12:06:00,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:06:00,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:06:00,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,383 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:06:00,383 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:06:00,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,384 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 12:06:00,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:06:00,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 12:06:00,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,401 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 12:06:00,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:06:00,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:06:00,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=-6} Honda state: {ULTIMATE.start_main_~y~0#1=-6} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=0}, {ULTIMATE.start_main_~y~0#1=-1}, {ULTIMATE.start_main_~y~0#1=0}] Lambdas: [2, 1, 1] Nus: [0, 1] [2022-12-13 12:06:00,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,489 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 12:06:00,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:06:00,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,508 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:06:00,508 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:06:00,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 12:06:00,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,512 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 12:06:00,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:06:00,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,529 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 12:06:00,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:06:00,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,551 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:06:00,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 12:06:00,554 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:06:00,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:06:00,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:06:00,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:06:00,554 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:06:00,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:06:00,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:06:00,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration3_Loop [2022-12-13 12:06:00,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:06:00,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:06:00,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,595 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:06:00,595 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:06:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,596 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 12:06:00,598 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 [2022-12-13 12:06:00,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:00,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:00,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:00,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:00,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 12:06:00,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,615 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 12:06:00,617 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 [2022-12-13 12:06:00,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:06:00,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:06:00,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:06:00,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,636 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 12:06:00,638 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 [2022-12-13 12:06:00,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:00,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:00,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:00,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:06:00,654 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:06:00,654 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:06:00,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,655 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 12:06:00,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:06:00,657 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:06:00,657 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:06:00,657 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2022-12-13 12:06:00,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 12:06:00,660 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:06:00,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,678 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:00,688 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:06:00,688 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-12-13 12:06:00,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) Result 21 states and 28 transitions. Complement of second has 5 states. [2022-12-13 12:06:00,695 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 [2022-12-13 12:06:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-12-13 12:06:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-12-13 12:06:00,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 12:06:00,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 12:06:00,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 4 letters. [2022-12-13 12:06:00,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-12-13 12:06:00,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:06:00,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 22 transitions. [2022-12-13 12:06:00,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 12:06:00,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 12:06:00,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2022-12-13 12:06:00,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 12:06:00,698 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-12-13 12:06:00,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2022-12-13 12:06:00,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 12:06:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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) [2022-12-13 12:06:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-12-13 12:06:00,699 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-12-13 12:06:00,699 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-12-13 12:06:00,699 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 12:06:00,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2022-12-13 12:06:00,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:06:00,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:06:00,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:06:00,699 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2022-12-13 12:06:00,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:06:00,700 INFO L748 eck$LassoCheckResult]: Stem: 253#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 254#L-1 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_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 255#L20 assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 251#L21 assume !!(main_~z~0#1 <= 1073741823); 252#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 257#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 248#L27 assume !!(main_~z~0#1 <= 1073741823); 249#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 260#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 250#L27 assume !!(main_~z~0#1 <= 1073741823); 244#L24-2 [2022-12-13 12:06:00,700 INFO L750 eck$LassoCheckResult]: Loop: 244#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 245#L24 assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1; 244#L24-2 [2022-12-13 12:06:00,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,700 INFO L85 PathProgramCache]: Analyzing trace with hash 882248616, now seen corresponding path program 3 times [2022-12-13 12:06:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:00,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716532207] [2022-12-13 12:06:00,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:00,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:00,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 3 times [2022-12-13 12:06:00,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:00,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123109126] [2022-12-13 12:06:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:00,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1732363346, now seen corresponding path program 2 times [2022-12-13 12:06:00,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:06:00,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572506211] [2022-12-13 12:06:00,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:06:00,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:06:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:06:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:06:00,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:06:00,740 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:06:00,740 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:06:00,740 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:06:00,740 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:06:00,740 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:06:00,741 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:06:00,741 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:06:00,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration4_Loop [2022-12-13 12:06:00,741 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:06:00,741 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:06:00,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:06:00,781 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:06:00,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,782 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 12:06:00,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:06:00,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 12:06:00,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,799 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 12:06:00,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:06:00,801 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:06:00,820 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:06:00,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,823 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:06:00,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:06:00,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:06:00,823 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:06:00,823 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:06:00,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:06:00,823 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:06:00,823 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration4_Loop [2022-12-13 12:06:00,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:06:00,823 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:06:00,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:06:00,858 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:06:00,858 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:06:00,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,859 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 12:06:00,861 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 [2022-12-13 12:06:00,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:06:00,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:06:00,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:06:00,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:06:00,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:06:00,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:06:00,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:06:00,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:06:00,876 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:06:00,876 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:06:00,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:06:00,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:06:00,877 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:06:00,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 12:06:00,879 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:06:00,879 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:06:00,879 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:06:00,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2022-12-13 12:06:00,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-12-13 12:06:00,882 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:06:00,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,907 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:00,917 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:06:00,917 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-12-13 12:06:00,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 19 states and 24 transitions. Complement of second has 5 states. [2022-12-13 12:06:00,925 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 [2022-12-13 12:06:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-12-13 12:06:00,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-12-13 12:06:00,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2022-12-13 12:06:00,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,927 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 12:06:00,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,950 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:00,960 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:06:00,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-12-13 12:06:00,967 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 19 states and 24 transitions. Complement of second has 5 states. [2022-12-13 12:06:00,967 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 [2022-12-13 12:06:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-12-13 12:06:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2022-12-13 12:06:00,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2022-12-13 12:06:00,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:00,968 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 12:06:00,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:06:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:06:00,989 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:06:00,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:06:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:06:00,999 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:06:00,999 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-12-13 12:06:01,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 12:06:01,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 12:06:01,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 22 states and 28 transitions. Complement of second has 4 states. [2022-12-13 12:06:01,014 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 [2022-12-13 12:06:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-12-13 12:06:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2022-12-13 12:06:01,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-12-13 12:06:01,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:01,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2022-12-13 12:06:01,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:01,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2022-12-13 12:06:01,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:06:01,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-12-13 12:06:01,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:06:01,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-12-13 12:06:01,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 12:06:01,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 12:06:01,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 12:06:01,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:06:01,016 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:06:01,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:06:01,016 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:06:01,016 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 12:06:01,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:06:01,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:06:01,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 12:06:01,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:06:01 BoogieIcfgContainer [2022-12-13 12:06:01,022 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:06:01,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:06:01,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:06:01,022 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:06:01,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:05:59" (3/4) ... [2022-12-13 12:06:01,024 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:06:01,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:06:01,025 INFO L158 Benchmark]: Toolchain (without parser) took 2310.20ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 102.7MB in the end (delta: -148.2kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-12-13 12:06:01,025 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:06:01,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.38ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 93.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:06:01,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.64ms. Allocated memory is still 136.3MB. Free memory was 93.1MB in the beginning and 91.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:06:01,025 INFO L158 Benchmark]: Boogie Preprocessor took 12.85ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 90.9MB in the end (delta: 816.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:06:01,026 INFO L158 Benchmark]: RCFGBuilder took 170.36ms. Allocated memory is still 136.3MB. Free memory was 90.6MB in the beginning and 82.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:06:01,026 INFO L158 Benchmark]: BuchiAutomizer took 1955.17ms. Allocated memory is still 136.3MB. Free memory was 82.1MB in the beginning and 102.7MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:06:01,026 INFO L158 Benchmark]: Witness Printer took 2.27ms. Allocated memory is still 136.3MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:06:01,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.38ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 93.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.64ms. Allocated memory is still 136.3MB. Free memory was 93.1MB in the beginning and 91.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.85ms. Allocated memory is still 136.3MB. Free memory was 91.8MB in the beginning and 90.9MB in the end (delta: 816.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 170.36ms. Allocated memory is still 136.3MB. Free memory was 90.6MB in the beginning and 82.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1955.17ms. Allocated memory is still 136.3MB. Free memory was 82.1MB in the beginning and 102.7MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.27ms. Allocated memory is still 136.3MB. Free memory is still 102.7MB. 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * z + 1 and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function 2 * z + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * z + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 56 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp35 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf94 smp100 dnf100 smp100 tf112 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 12:06:01,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42f0fef-9492-4ec9-9712-8ec3fc89ed7a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE