./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 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_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/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_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_AG313.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/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_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/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 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 --- 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 16:55:06,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:55:06,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:55:06,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:55:06,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:55:06,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:55:06,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:55:06,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:55:06,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:55:06,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:55:06,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:55:06,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:55:06,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:55:06,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:55:06,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:55:06,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:55:06,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:55:06,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:55:06,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:55:06,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:55:06,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:55:06,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:55:06,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:55:06,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:55:06,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:55:06,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:55:06,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:55:06,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:55:06,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:55:06,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:55:06,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:55:06,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:55:06,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:55:06,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:55:06,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:55:06,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:55:06,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:55:06,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:55:06,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:55:06,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:55:06,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:55:06,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 16:55:07,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:55:07,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:55:07,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:55:07,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:55:07,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:55:07,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:55:07,047 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:55:07,047 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:55:07,047 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:55:07,048 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:55:07,049 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:55:07,049 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:55:07,050 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:55:07,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:55:07,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:55:07,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:55:07,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:55:07,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:55:07,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:55:07,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:55:07,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:55:07,052 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:55:07,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:55:07,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:55:07,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:55:07,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:55:07,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:55:07,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:55:07,055 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:55:07,055 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_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aba30eccff08319e90124805f6572c72af18ec70c6e7d3c36f1ebe7fe7db059 [2022-11-25 16:55:07,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:55:07,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:55:07,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:55:07,455 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:55:07,455 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:55:07,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2022-11-25 16:55:10,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:55:10,899 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:55:10,899 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2022-11-25 16:55:10,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/data/46cd602f1/cc6115f624964d219c5611d6185426d5/FLAGe48de8a2d [2022-11-25 16:55:10,923 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/data/46cd602f1/cc6115f624964d219c5611d6185426d5 [2022-11-25 16:55:10,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:55:10,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:55:10,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:55:10,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:55:10,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:55:10,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:55:10" (1/1) ... [2022-11-25 16:55:10,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac7857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:10, skipping insertion in model container [2022-11-25 16:55:10,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:55:10" (1/1) ... [2022-11-25 16:55:10,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:55:10,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:55:11,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:55:11,172 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:55:11,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:55:11,207 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:55:11,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11 WrapperNode [2022-11-25 16:55:11,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:55:11,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:55:11,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:55:11,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:55:11,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,289 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-25 16:55:11,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:55:11,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:55:11,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:55:11,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:55:11,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:55:11,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:55:11,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:55:11,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:55:11,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (1/1) ... [2022-11-25 16:55:11,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:11,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:11,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:55:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:55:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:55:11,518 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:55:11,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:55:11,584 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:55:11,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:55:11,590 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:55:11,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:55:11 BoogieIcfgContainer [2022-11-25 16:55:11,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:55:11,593 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:55:11,593 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:55:11,596 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:55:11,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:55:11,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:55:10" (1/3) ... [2022-11-25 16:55:11,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bdbdfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:55:11, skipping insertion in model container [2022-11-25 16:55:11,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:55:11,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:55:11" (2/3) ... [2022-11-25 16:55:11,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bdbdfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:55:11, skipping insertion in model container [2022-11-25 16:55:11,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:55:11,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:55:11" (3/3) ... [2022-11-25 16:55:11,601 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_AG313.c [2022-11-25 16:55:11,654 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:55:11,654 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:55:11,654 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:55:11,654 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:55:11,654 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:55:11,655 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:55:11,655 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:55:11,655 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:55:11,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2022-11-25 16:55:11,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 16:55:11,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:55:11,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:55:11,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 16:55:11,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 16:55:11,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:55:11,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2022-11-25 16:55:11,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 16:55:11,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:55:11,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:55:11,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 16:55:11,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 16:55:11,693 INFO L748 eck$LassoCheckResult]: Stem: 4#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_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := 0;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L10true assume 0 != main_~x~0#1; 8#L11-2true [2022-11-25 16:55:11,694 INFO L750 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~i~0#1 := 1 + main_~i~0#1;main_~x~0#1 := main_~x~0#1 - 1 - (main_~y~0#1 - 1); 8#L11-2true [2022-11-25 16:55:11,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-25 16:55:11,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:11,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244625951] [2022-11-25 16:55:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:11,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:55:11,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:55:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:55:11,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:55:11,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2022-11-25 16:55:11,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:11,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842068537] [2022-11-25 16:55:11,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:11,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:55:11,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:55:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:55:11,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:55:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:11,841 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-11-25 16:55:11,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:55:11,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704283600] [2022-11-25 16:55:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:55:11,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:55:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:55:11,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:55:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:55:11,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:55:11,979 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:55:11,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:55:11,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:55:11,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:55:11,980 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 16:55:11,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:11,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:55:11,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:55:11,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2022-11-25 16:55:11,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:55:11,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:55:12,020 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 16:55:12,034 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 16:55:12,039 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 16:55:12,043 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 16:55:12,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:55:12,123 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 16:55:12,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:55:12,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:55:12,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 16:55:12,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 16:55:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:55:12,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:55:12,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 16:55:12,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:55:12,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=0} Honda state: {ULTIMATE.start_main_~i~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0#1=1}, {ULTIMATE.start_main_~i~0#1=-4}, {ULTIMATE.start_main_~i~0#1=4}] Lambdas: [1, 2, 1] Nus: [0, 1] [2022-11-25 16:55:12,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:55:12,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:55:12,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 16:55:12,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:55:12,270 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 16:55:12,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:55:12,290 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:55:12,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 16:55:12,314 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:55:12,314 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 16:55:12,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 16:55:12,325 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:55:12,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:55:12,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 16:55:12,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:55:12,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:55:12,462 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 16:55:12,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,466 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:55:12,466 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:55:12,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:55:12,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:55:12,467 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:55:12,467 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,467 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:55:12,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:55:12,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2022-11-25 16:55:12,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:55:12,467 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:55:12,469 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 16:55:12,480 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 16:55:12,490 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 16:55:12,495 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 16:55:12,567 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:55:12,572 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:55:12,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,575 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 16:55:12,636 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 16:55:12,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:55:12,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:55:12,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:55:12,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:55:12,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:55:12,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:55:12,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:55:12,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:55:12,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,707 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,719 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 16:55:12,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 16:55:12,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:55:12,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:55:12,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:55:12,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:55:12,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:55:12,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:55:12,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:55:12,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,791 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,800 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 16:55:12,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 16:55:12,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:55:12,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:55:12,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:55:12,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:55:12,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:55:12,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 16:55:12,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:55:12,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,843 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,852 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 16:55:12,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 16:55:12,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:55:12,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:55:12,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:55:12,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:55:12,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:55:12,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:55:12,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:55:12,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:55:12,887 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 16:55:12,887 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 16:55:12,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:55:12,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:55:12,922 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:55:12,924 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:55:12,924 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 16:55:12,924 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:55:12,925 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-25 16:55:12,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 16:55:12,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:12,942 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 16:55:12,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:55:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:12,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:55:12,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:55:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:55:13,011 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 16:55:13,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:55:13,013 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 16:55:13,055 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 16:55:13,058 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:13,094 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 5 states. [2022-11-25 16:55:13,096 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 16:55:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:55:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-25 16:55:13,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-25 16:55:13,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:55:13,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-25 16:55:13,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:55:13,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-25 16:55:13,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:55:13,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2022-11-25 16:55:13,108 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:55:13,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-11-25 16:55:13,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 16:55:13,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 16:55:13,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 16:55:13,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:55:13,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:55:13,113 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:55:13,113 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:55:13,113 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:55:13,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:55:13,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:55:13,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 16:55:13,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:55:13 BoogieIcfgContainer [2022-11-25 16:55:13,121 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:55:13,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:55:13,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:55:13,122 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:55:13,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:55:11" (3/4) ... [2022-11-25 16:55:13,125 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:55:13,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:55:13,126 INFO L158 Benchmark]: Toolchain (without parser) took 2198.69ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 72.0MB in the end (delta: 63.1MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-11-25 16:55:13,127 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:55:13,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.00ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 126.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 16:55:13,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.14ms. Allocated memory is still 165.7MB. Free memory was 126.3MB in the beginning and 137.0MB in the end (delta: -10.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-25 16:55:13,129 INFO L158 Benchmark]: Boogie Preprocessor took 39.55ms. Allocated memory is still 165.7MB. Free memory was 137.0MB in the beginning and 136.0MB in the end (delta: 992.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:55:13,129 INFO L158 Benchmark]: RCFGBuilder took 260.54ms. Allocated memory is still 165.7MB. Free memory was 136.0MB in the beginning and 127.3MB in the end (delta: 8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 16:55:13,130 INFO L158 Benchmark]: BuchiAutomizer took 1528.15ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 72.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-25 16:55:13,130 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 165.7MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:55:13,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.00ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 126.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.14ms. Allocated memory is still 165.7MB. Free memory was 126.3MB in the beginning and 137.0MB in the end (delta: -10.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.55ms. Allocated memory is still 165.7MB. Free memory was 137.0MB in the beginning and 136.0MB in the end (delta: 992.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.54ms. Allocated memory is still 165.7MB. Free memory was 136.0MB in the beginning and 127.3MB in the end (delta: 8.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1528.15ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 72.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 165.7MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 2.6kB). 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 affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 13 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, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 79ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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 16:55:13,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 16:55:13,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4ec0424-ff6f-4e2f-b46c-d48450b52fca/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