./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R --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 b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 --- 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-38b53e6 [2022-11-25 15:27:26,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:27:26,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:27:26,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:27:26,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:27:26,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:27:26,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:27:26,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:27:26,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:27:26,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:27:26,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:27:26,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:27:26,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:27:26,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:27:26,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:27:26,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:27:26,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:27:26,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:27:26,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:27:26,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:27:26,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:27:26,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:27:26,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:27:26,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:27:26,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:27:26,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:27:26,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:27:26,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:27:26,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:27:26,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:27:26,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:27:26,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:27:26,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:27:26,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:27:26,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:27:26,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:27:26,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:27:26,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:27:26,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:27:26,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:27:26,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:27:26,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 15:27:26,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:27:26,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:27:26,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:27:26,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:27:26,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:27:26,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:27:26,905 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:27:26,906 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:27:26,906 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:27:26,906 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:27:26,907 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:27:26,907 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:27:26,907 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:27:26,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:27:26,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:27:26,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:27:26,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:27:26,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:27:26,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:27:26,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:27:26,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:27:26,909 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:27:26,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:27:26,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:27:26,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:27:26,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:27:26,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:27:26,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:27:26,912 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:27:26,912 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_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b39ec4b52f8da315ff57d8e97152c727a55203720ed4bc216d0daa6b94e35d48 [2022-11-25 15:27:27,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:27:27,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:27:27,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:27:27,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:27:27,232 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:27:27,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2022-11-25 15:27:30,696 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:27:31,010 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:27:31,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/sv-benchmarks/c/termination-crafted/4NestedWith3Variables-1.c [2022-11-25 15:27:31,019 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/data/9d0c680d4/9764de6520664453ac00eea1af70dc06/FLAG1457c9eef [2022-11-25 15:27:31,037 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/data/9d0c680d4/9764de6520664453ac00eea1af70dc06 [2022-11-25 15:27:31,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:27:31,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:27:31,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:27:31,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:27:31,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:27:31,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b1ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31, skipping insertion in model container [2022-11-25 15:27:31,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:27:31,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:27:31,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:27:31,290 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:27:31,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:27:31,327 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:27:31,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31 WrapperNode [2022-11-25 15:27:31,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:27:31,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:27:31,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:27:31,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:27:31,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,365 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-11-25 15:27:31,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:27:31,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:27:31,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:27:31,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:27:31,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:27:31,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:27:31,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:27:31,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:27:31,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (1/1) ... [2022-11-25 15:27:31,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:31,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:31,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:31,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:27:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:27:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:27:31,605 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:27:31,608 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:27:31,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:27:31,720 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:27:31,721 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:27:31,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:31 BoogieIcfgContainer [2022-11-25 15:27:31,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:27:31,725 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:27:31,725 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:27:31,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:27:31,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:27:31,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:27:31" (1/3) ... [2022-11-25 15:27:31,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c57113c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:27:31, skipping insertion in model container [2022-11-25 15:27:31,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:27:31,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:31" (2/3) ... [2022-11-25 15:27:31,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c57113c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:27:31, skipping insertion in model container [2022-11-25 15:27:31,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:27:31,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:31" (3/3) ... [2022-11-25 15:27:31,736 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4NestedWith3Variables-1.c [2022-11-25 15:27:31,801 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:27:31,801 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:27:31,801 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:27:31,801 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:27:31,801 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:27:31,802 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:27:31,802 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:27:31,802 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:27:31,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:31,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:27:31,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:27:31,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:27:31,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 15:27:31,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:27:31,829 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:27:31,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:31,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 15:27:31,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:27:31,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:27:31,831 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 15:27:31,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 15:27:31,840 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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_~a~0#1, main_~b~0#1, main_~q~0#1, main_~olda~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~q~0#1;havoc main_~olda~0#1;main_~q~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~b~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6#L23true assume !!(-524287 <= main_~q~0#1 && main_~q~0#1 <= 524287); 9#L24true assume !!(-524287 <= main_~a~0#1 && main_~a~0#1 <= 524287); 5#L25true assume !!(-524287 <= main_~b~0#1 && main_~b~0#1 <= 524287); 4#L26-2true [2022-11-25 15:27:31,840 INFO L750 eck$LassoCheckResult]: Loop: 4#L26-2true assume !!(main_~q~0#1 > 0);main_~q~0#1 := main_~q~0#1 + main_~a~0#1 - 1;main_~olda~0#1 := main_~a~0#1;main_~a~0#1 := 3 * main_~olda~0#1 - 4 * main_~b~0#1;main_~b~0#1 := 4 * main_~olda~0#1 + 3 * main_~b~0#1; 4#L26-2true [2022-11-25 15:27:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-11-25 15:27:31,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:31,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852080328] [2022-11-25 15:27:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:31,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:27:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:31,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:27:31,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:31,978 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2022-11-25 15:27:31,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:31,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511901400] [2022-11-25 15:27:31,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:31,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:31,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:27:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:32,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:27:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2022-11-25 15:27:32,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:27:32,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349186224] [2022-11-25 15:27:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:27:32,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:27:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:32,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:27:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:27:32,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:27:32,214 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:27:32,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:27:32,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:27:32,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:27:32,216 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 15:27:32,216 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:32,216 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:27:32,216 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:27:32,217 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2022-11-25 15:27:32,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:27:32,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:27:32,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:32,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:32,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:32,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:27:32,486 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 15:27:32,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:32,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:32,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:32,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 15:27:32,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:32,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:32,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:32,552 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:32,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:32,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:32,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:32,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:32,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 15:27:32,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:32,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:32,594 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 15:27:32,594 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 15:27:32,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:32,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:32,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:32,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:32,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 15:27:32,609 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 15:27:32,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:32,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:32,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:32,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:32,666 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:32,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 15:27:32,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 15:27:32,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 15:27:43,688 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-25 15:27:43,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:43,698 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 15:27:43,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 15:27:43,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 15:27:43,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 15:27:43,698 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 15:27:43,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:43,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 15:27:43,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 15:27:43,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4NestedWith3Variables-1.c_Iteration1_Loop [2022-11-25 15:27:43,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 15:27:43,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 15:27:43,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:43,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:43,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 15:27:43,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 15:27:43,855 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 15:27:43,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:43,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:43,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:43,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:43,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 15:27:43,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:43,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:43,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:43,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:27:43,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:27:43,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:27:43,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:43,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-25 15:27:43,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:43,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:43,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:43,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 15:27:43,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:43,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:43,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:43,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:43,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:27:43,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 15:27:43,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 15:27:43,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:43,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:43,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:43,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:43,982 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:43,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 15:27:44,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:27:44,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 15:27:44,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 15:27:44,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:27:44,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,032 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-25 15:27:44,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,034 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,061 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 15:27:44,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 15:27:44,073 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-25 15:27:44,073 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-25 15:27:44,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,124 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 15:27:44,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 15:27:44,163 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-25 15:27:44,163 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-25 15:27:44,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,198 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 15:27:44,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:27:44,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,235 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 15:27:44,239 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 15:27:44,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:27:44,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,275 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-25 15:27:44,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,277 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 15:27:44,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 15:27:44,307 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-25 15:27:44,308 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-25 15:27:44,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,331 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 15:27:44,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,357 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 15:27:44,363 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-25 15:27:44,363 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-25 15:27:44,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,393 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 15:27:44,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:27:44,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,417 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 15:27:44,432 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 15:27:44,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:27:44,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,468 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-25 15:27:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,470 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 15:27:44,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,495 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 15:27:44,501 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-25 15:27:44,501 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-25 15:27:44,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,527 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 15:27:44,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,556 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 15:27:44,562 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-25 15:27:44,562 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-25 15:27:44,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 15:27:44,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,598 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 15:27:44,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 15:27:44,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 15:27:44,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 15:27:44,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 15:27:44,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 15:27:44,618 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 15:27:44,624 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 15:27:44,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 15:27:44,638 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 15:27:44,690 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 15:27:44,690 INFO L444 ModelExtractionUtils]: 9 out of 21 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-25 15:27:44,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:27:44,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:27:44,746 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:27:44,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 15:27:44,747 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 15:27:44,747 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 15:27:44,748 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 15:27:44,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 4-nested ranking function: f0 = -10*ULTIMATE.start_main_~a~0#1 + 100*ULTIMATE.start_main_~q~0#1 - 20*ULTIMATE.start_main_~b~0#1 f1 = 3*ULTIMATE.start_main_~a~0#1 - 4*ULTIMATE.start_main_~b~0#1 f2 = 1*ULTIMATE.start_main_~a~0#1 + 1*ULTIMATE.start_main_~q~0#1 f3 = 1*ULTIMATE.start_main_~q~0#1 Supporting invariants [] [2022-11-25 15:27:44,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:44,764 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 15:27:44,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:27:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:44,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 15:27:44,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:27:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:27:44,859 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 15:27:44,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:27:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:27:44,900 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-25 15:27:44,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:44,955 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 5 states. [2022-11-25 15:27:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 15:27:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:27:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-25 15:27:44,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-25 15:27:44,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:27:44,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 1 letters. [2022-11-25 15:27:44,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:27:44,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-25 15:27:44,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 15:27:44,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-11-25 15:27:44,970 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:27:44,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-11-25 15:27:44,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 15:27:44,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 15:27:44,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 15:27:44,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:27:44,976 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:27:44,976 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:27:44,976 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:27:44,976 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:27:44,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:27:44,976 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 15:27:44,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 15:27:44,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:27:44 BoogieIcfgContainer [2022-11-25 15:27:44,985 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:27:44,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:27:44,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:27:44,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:27:44,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:31" (3/4) ... [2022-11-25 15:27:44,990 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:27:44,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:27:44,991 INFO L158 Benchmark]: Toolchain (without parser) took 13949.11ms. Allocated memory is still 144.7MB. Free memory was 113.9MB in the beginning and 85.1MB in the end (delta: 28.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-11-25 15:27:44,992 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 66.1MB in the end (delta: 241.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:27:44,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.38ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 104.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:27:44,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.29ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 102.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:27:44,994 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 101.9MB in the end (delta: 849.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:27:44,994 INFO L158 Benchmark]: RCFGBuilder took 326.53ms. Allocated memory is still 144.7MB. Free memory was 101.9MB in the beginning and 92.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 15:27:44,995 INFO L158 Benchmark]: BuchiAutomizer took 13260.47ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 85.1MB in the end (delta: 7.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-25 15:27:44,995 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 144.7MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:27:44,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 66.1MB in the end (delta: 241.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.38ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 104.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.29ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 102.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 101.9MB in the end (delta: 849.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.53ms. Allocated memory is still 144.7MB. Free memory was 101.9MB in the beginning and 92.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 13260.47ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 85.1MB in the end (delta: 7.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 144.7MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 4-nested ranking function (if 100 * q + -10 * a + -20 * b > 0 then 3 else (if 3 * a + -4 * b > 0 then 2 else (if a + q > 0 then 1 else 0))), (if 100 * q + -10 * a + -20 * b > 0 then 100 * q + -10 * a + -20 * b else (if 3 * a + -4 * b > 0 then 3 * a + -4 * b else (if a + q > 0 then a + q else q))) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 12.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax136 hnf100 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf93 smp100 dnf100 smp100 tf103 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 11.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 15:27:45,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 15:27:45,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2099af61-bd1f-4094-81ed-ba5d5b5511bd/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE