./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/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_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/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_6c977731-6394-415a-b138-6bf36180ca15/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 86d52fe8166d050ac731ccea951d586d64260a15b87f2be13444887a7e6d3fbf --- 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 16:50:42,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:50:42,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:50:42,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:50:42,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:50:42,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:50:42,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:50:42,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:50:42,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:50:42,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:50:42,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:50:42,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:50:42,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:50:42,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:50:42,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:50:42,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:50:42,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:50:42,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:50:42,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:50:42,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:50:42,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:50:42,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:50:42,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:50:42,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:50:42,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:50:42,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:50:42,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:50:42,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:50:42,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:50:42,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:50:42,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:50:42,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:50:42,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:50:42,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:50:42,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:50:42,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:50:42,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:50:42,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:50:42,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:50:42,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:50:42,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:50:42,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 16:50:42,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:50:42,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:50:42,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:50:42,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:50:42,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:50:42,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:50:42,580 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:50:42,580 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 16:50:42,581 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 16:50:42,581 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 16:50:42,581 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 16:50:42,582 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 16:50:42,582 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 16:50:42,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:50:42,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:50:42,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:50:42,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:50:42,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 16:50:42,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 16:50:42,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 16:50:42,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:50:42,585 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 16:50:42,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:50:42,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 16:50:42,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:50:42,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:50:42,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:50:42,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:50:42,588 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 16:50:42,588 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_6c977731-6394-415a-b138-6bf36180ca15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86d52fe8166d050ac731ccea951d586d64260a15b87f2be13444887a7e6d3fbf [2022-11-25 16:50:42,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:50:42,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:50:42,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:50:42,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:50:42,944 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:50:42,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-bwb/and-03.c [2022-11-25 16:50:46,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:50:46,633 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:50:46,635 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/sv-benchmarks/c/termination-bwb/and-03.c [2022-11-25 16:50:46,643 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/data/ab274f8a6/efbc0233839a47fe954f1142b28b7d96/FLAG00d7320a8 [2022-11-25 16:50:46,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/data/ab274f8a6/efbc0233839a47fe954f1142b28b7d96 [2022-11-25 16:50:46,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:50:46,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:50:46,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:46,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:50:46,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:50:46,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:46,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dfd79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46, skipping insertion in model container [2022-11-25 16:50:46,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:46,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:50:46,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:50:46,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:46,919 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:50:46,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:46,946 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:50:46,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46 WrapperNode [2022-11-25 16:50:46,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:46,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:46,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:50:46,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:50:46,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:46,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:46,987 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-25 16:50:46,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:46,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:50:46,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:50:46,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:50:47,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:50:47,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:50:47,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:50:47,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:50:47,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (1/1) ... [2022-11-25 16:50:47,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:47,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:47,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:47,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 16:50:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:50:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:50:47,205 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:50:47,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:50:47,336 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:50:47,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:50:47,345 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:50:47,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:47 BoogieIcfgContainer [2022-11-25 16:50:47,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:50:47,348 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 16:50:47,348 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 16:50:47,353 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 16:50:47,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:50:47,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 04:50:46" (1/3) ... [2022-11-25 16:50:47,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27396427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:50:47, skipping insertion in model container [2022-11-25 16:50:47,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:50:47,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:46" (2/3) ... [2022-11-25 16:50:47,357 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27396427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 04:50:47, skipping insertion in model container [2022-11-25 16:50:47,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 16:50:47,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:47" (3/3) ... [2022-11-25 16:50:47,359 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-03.c [2022-11-25 16:50:47,423 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 16:50:47,423 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 16:50:47,423 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 16:50:47,423 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 16:50:47,424 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 16:50:47,424 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 16:50:47,424 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 16:50:47,424 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 16:50:47,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 16:50:47,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 16:50:47,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:50:47,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:50:47,450 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 16:50:47,450 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:50:47,450 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 16:50:47,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 16:50:47,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 16:50:47,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:50:47,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:50:47,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 16:50:47,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:50:47,460 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L16-2true [2022-11-25 16:50:47,461 INFO L750 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(0 != main_~x~0#1); 2#L16true assume !(main_~x~0#1 > 0);main_#t~post2#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 7#L16-2true [2022-11-25 16:50:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:47,467 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 16:50:47,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:47,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256255361] [2022-11-25 16:50:47,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:47,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:47,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:47,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-11-25 16:50:47,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:47,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391131327] [2022-11-25 16:50:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:47,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:47,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:47,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:47,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:47,643 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-11-25 16:50:47,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:47,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462072099] [2022-11-25 16:50:47,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:47,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:47,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:47,731 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:47,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:47,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:47,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:47,732 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 16:50:47,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:47,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:47,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:47,733 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration1_Loop [2022-11-25 16:50:47,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:47,733 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:47,754 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 16:50:47,768 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 16:50:47,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:47,895 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 16:50:47,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:47,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:47,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:47,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:47,923 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:47,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 16:50:47,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:50:47,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 16:50:47,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:47,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:47,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:47,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:47,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 16:50:47,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:47,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:48,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:48,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:48,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:48,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 16:50:48,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:50:48,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:48,103 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 16:50:48,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:48,111 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:48,111 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:48,111 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:48,111 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:48,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:50:48,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:48,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:48,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration1_Loop [2022-11-25 16:50:48,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:48,113 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:48,114 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 16:50:48,119 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 16:50:48,191 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:48,196 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:50:48,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:48,199 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:48,210 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 16:50:48,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 16:50:48,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:48,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:48,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:48,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:48,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:48,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:48,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:48,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:48,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:48,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:48,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:48,275 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 16:50:48,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:48,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:48,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:48,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:48,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:48,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 16:50:48,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:48,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:48,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:50:48,333 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 16:50:48,333 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 16:50:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:48,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:48,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 16:50:48,375 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:50:48,375 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 16:50:48,375 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:50:48,376 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 16:50:48,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:48,388 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 16:50:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:48,458 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:50:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:48,481 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:50:48,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:48,498 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 16:50:48,563 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 16:50:48,566 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:48,674 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 55 transitions. Complement of second has 6 states. [2022-11-25 16:50:48,676 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 16:50:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-11-25 16:50:48,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-25 16:50:48,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:48,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 16:50:48,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:48,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-25 16:50:48,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:48,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2022-11-25 16:50:48,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 16:50:48,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 14 states and 20 transitions. [2022-11-25 16:50:48,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 16:50:48,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 16:50:48,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2022-11-25 16:50:48,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 16:50:48,714 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-25 16:50:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2022-11-25 16:50:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-25 16:50:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:48,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2022-11-25 16:50:48,739 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-11-25 16:50:48,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-11-25 16:50:48,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 16:50:48,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2022-11-25 16:50:48,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 16:50:48,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:50:48,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:50:48,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 16:50:48,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 16:50:48,743 INFO L748 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 93#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 96#L16-2 assume !!(0 != main_~x~0#1); 84#L16 assume main_~x~0#1 > 0; 85#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-11-25 16:50:48,743 INFO L750 eck$LassoCheckResult]: Loop: 89#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 94#L16-2 assume !!(0 != main_~x~0#1); 95#L16 assume main_~x~0#1 > 0; 90#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-11-25 16:50:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 1 times [2022-11-25 16:50:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:48,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339997001] [2022-11-25 16:50:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:48,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:48,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:48,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:48,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1709109, now seen corresponding path program 1 times [2022-11-25 16:50:48,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:48,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602764362] [2022-11-25 16:50:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:48,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:48,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:48,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash 584039327, now seen corresponding path program 1 times [2022-11-25 16:50:48,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:48,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415488556] [2022-11-25 16:50:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:48,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:48,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:48,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415488556] [2022-11-25 16:50:48,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415488556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:48,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:48,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:50:48,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694096312] [2022-11-25 16:50:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:48,950 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:48,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:48,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:48,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:48,951 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 16:50:48,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:48,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:48,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration2_Loop [2022-11-25 16:50:48,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:48,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:48,953 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 16:50:48,990 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:48,991 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 16:50:48,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:48,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:48,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:49,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:49,006 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:49,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 16:50:49,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:49,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:49,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:49,040 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:49,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:50:49,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:49,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 16:50:49,988 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 16:50:49,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:49,992 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:49,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:49,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:49,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:49,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:50:49,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:49,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:49,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:49,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration2_Loop [2022-11-25 16:50:49,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:49,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:49,994 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 16:50:50,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:50,043 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:50:50,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,044 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:50,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 16:50:50,060 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 16:50:50,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:50,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:50,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:50,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:50,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:50,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:50,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:50,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:50:50,094 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 16:50:50,094 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 16:50:50,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:50,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:50:50,111 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 16:50:50,111 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:50:50,111 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet1#1) = 1*ULTIMATE.start_main_#t~nondet1#1 Supporting invariants [] [2022-11-25 16:50:50,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 16:50:50,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:50,121 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 16:50:50,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:50,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:50:50,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:50,179 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 16:50:50,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:50,234 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 16:50:50,235 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-25 16:50:50,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:50,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 73 transitions. Complement of second has 10 states. [2022-11-25 16:50:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-25 16:50:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2022-11-25 16:50:50,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-25 16:50:50,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:50,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-25 16:50:50,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:50,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-25 16:50:50,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:50,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2022-11-25 16:50:50,375 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2022-11-25 16:50:50,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 44 states and 61 transitions. [2022-11-25 16:50:50,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-25 16:50:50,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-11-25 16:50:50,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 61 transitions. [2022-11-25 16:50:50,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 16:50:50,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 61 transitions. [2022-11-25 16:50:50,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 61 transitions. [2022-11-25 16:50:50,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2022-11-25 16:50:50,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.40625) internal successors, (45), 31 states have internal predecessors, (45), 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 16:50:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2022-11-25 16:50:50,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 45 transitions. [2022-11-25 16:50:50,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:50,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:50:50,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:50:50,391 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:50,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:50,432 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2022-11-25 16:50:50,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-11-25 16:50:50,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-11-25 16:50:50,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 28 transitions. [2022-11-25 16:50:50,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-25 16:50:50,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-25 16:50:50,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-11-25 16:50:50,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 16:50:50,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-25 16:50:50,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-11-25 16:50:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 14. [2022-11-25 16:50:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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 16:50:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-25 16:50:50,439 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-25 16:50:50,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:50:50,440 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-25 16:50:50,440 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 16:50:50,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-25 16:50:50,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-25 16:50:50,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:50:50,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:50:50,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 16:50:50,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-25 16:50:50,443 INFO L748 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 273#L16-2 assume !!(0 != main_~x~0#1); 272#L16 assume main_~x~0#1 > 0; 267#L17 [2022-11-25 16:50:50,443 INFO L750 eck$LassoCheckResult]: Loop: 267#L17 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 265#L17-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet1#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet1#1 <= main_~x~0#1 && main_#t~nondet1#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet1#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet1#1 > main_~x~0#1 + (main_~x~0#1 - 1); 266#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 262#L16-2 assume !!(0 != main_~x~0#1); 271#L16 assume main_~x~0#1 > 0; 267#L17 [2022-11-25 16:50:50,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-25 16:50:50,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:50,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784893066] [2022-11-25 16:50:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:50,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:50,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:50,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:50,454 INFO L85 PathProgramCache]: Analyzing trace with hash 46916375, now seen corresponding path program 1 times [2022-11-25 16:50:50,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:50,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322462641] [2022-11-25 16:50:50,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:50,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:50,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:50,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:50,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:50,474 INFO L85 PathProgramCache]: Analyzing trace with hash 585841106, now seen corresponding path program 1 times [2022-11-25 16:50:50,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:50,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544792746] [2022-11-25 16:50:50,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:50,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:50,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:50,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:50,575 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:50,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:50,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:50,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:50,576 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 16:50:50,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:50,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:50,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Loop [2022-11-25 16:50:50,577 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:50,577 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:50,578 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 16:50:50,589 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 16:50:50,620 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:50,620 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 16:50:50,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,623 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:50,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 16:50:50,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:50,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:50,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:50,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,674 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:50,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:50:50,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 16:50:50,768 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 16:50:50,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-25 16:50:50,775 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:50,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:50,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:50,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:50,776 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:50:50,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:50,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:50,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Loop [2022-11-25 16:50:50,776 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:50,776 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:50,777 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 16:50:50,782 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 16:50:50,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:50,827 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:50:50,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,829 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:50,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 16:50:50,836 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 16:50:50,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:50,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:50,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:50,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:50,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:50,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:50,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:50,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:50,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:50,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:50,890 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 16:50:50,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 16:50:50,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:50,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:50,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:50,906 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:50,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:50,909 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:50,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:50,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:50,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:50,945 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-25 16:50:50,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:50,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:50,947 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 16:50:51,024 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 16:50:51,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:51,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,043 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:51,046 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:51,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,071 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,081 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 16:50:51,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 16:50:51,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:51,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,098 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,098 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:51,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:50:51,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,124 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-25 16:50:51,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,125 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,136 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 16:50:51,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 16:50:51,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:51,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,163 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:51,166 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:51,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,195 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,200 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 16:50:51,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 16:50:51,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:51,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,217 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:51,225 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-25 16:50:51,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,248 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-25 16:50:51,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 16:50:51,254 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 16:50:51,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:51,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,270 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:51,273 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 16:50:51,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,296 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 16:50:51,307 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 16:50:51,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:51,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,324 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,324 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:51,328 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-25 16:50:51,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,348 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-25 16:50:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,350 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,365 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 16:50:51,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 16:50:51,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,382 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:51,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,382 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:51,384 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:51,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,418 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 16:50:51,421 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 16:50:51,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,434 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:51,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,435 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,435 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:51,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:50:51,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,476 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-25 16:50:51,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,477 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,487 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 16:50:51,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 16:50:51,504 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,504 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-25 16:50:51,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,505 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:51,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:51,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,543 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,550 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 16:50:51,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 16:50:51,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,567 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-25 16:50:51,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,567 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:51,580 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-25 16:50:51,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-25 16:50:51,606 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-25 16:50:51,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,608 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 16:50:51,612 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 16:50:51,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,626 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-25 16:50:51,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,627 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:51,631 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 16:50:51,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,660 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,667 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 16:50:51,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-25 16:50:51,685 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,685 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-25 16:50:51,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,686 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:51,693 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-25 16:50:51,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,733 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-25 16:50:51,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,735 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,740 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 16:50:51,756 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,756 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:51,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,757 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-25 16:50:51,758 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:51,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,790 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,796 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 16:50:51,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-25 16:50:51,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,811 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:51,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,811 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,811 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:51,815 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-25 16:50:51,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,852 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-25 16:50:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,853 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,860 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 16:50:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-25 16:50:51,876 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,876 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-25 16:50:51,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:51,877 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-25 16:50:51,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 16:50:51,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:51,909 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:51,913 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 16:50:51,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-25 16:50:51,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:51,928 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-25 16:50:51,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:51,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:51,928 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:51,928 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-25 16:50:51,933 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-25 16:50:51,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:51,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:51,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:51,974 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:51,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:51,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:51,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:51,974 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 16:50:51,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:51,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:51,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:51,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Lasso [2022-11-25 16:50:51,975 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:51,975 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:51,976 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 16:50:51,980 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 16:50:51,983 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 16:50:51,986 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 16:50:51,988 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 16:50:52,038 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:52,038 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 16:50:52,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,040 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:52,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:52,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-25 16:50:52,080 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:50:52,080 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 16:50:52,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,085 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:52,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:52,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-25 16:50:52,116 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:50:52,116 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 16:50:52,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,122 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:52,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:52,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-25 16:50:52,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:50:52,152 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 16:50:52,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,161 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:52,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:52,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-25 16:50:52,199 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 16:50:52,199 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 16:50:52,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,213 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:52,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:52,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-25 16:50:52,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,261 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:50:52,271 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:52,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-25 16:50:52,363 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 16:50:52,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,368 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:52,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:52,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:52,368 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:52,368 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:50:52,368 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,368 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:52,368 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:52,369 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Lasso [2022-11-25 16:50:52,369 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:52,369 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:52,370 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 16:50:52,374 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 16:50:52,376 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 16:50:52,379 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 16:50:52,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 16:50:52,426 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:52,427 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:50:52,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,428 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,440 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 16:50:52,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-25 16:50:52,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:52,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:52,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,482 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,486 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 16:50:52,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:52,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-25 16:50:52,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:52,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,522 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,533 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 16:50:52,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-25 16:50:52,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:52,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:52,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,572 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,577 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 16:50:52,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-25 16:50:52,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:52,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:52,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,613 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 16:50:52,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-25 16:50:52,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,631 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:52,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:52,651 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-25 16:50:52,651 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-25 16:50:52,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,680 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-25 16:50:52,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,682 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,686 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 16:50:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-25 16:50:52,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,701 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:52,702 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:52,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,724 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,729 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 16:50:52,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-25 16:50:52,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:52,745 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:52,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,769 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,774 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 16:50:52,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-25 16:50:52,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,792 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:52,793 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:52,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,813 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,819 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 16:50:52,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-25 16:50:52,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:52,837 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:52,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,861 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,865 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 16:50:52,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-25 16:50:52,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,881 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:52,881 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:52,891 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-25 16:50:52,891 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-25 16:50:52,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,923 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-25 16:50:52,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,925 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,930 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 16:50:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-25 16:50:52,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:52,948 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:52,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:52,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:52,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:52,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:52,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:52,964 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:52,969 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 16:50:52,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-25 16:50:52,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:52,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:52,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:52,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:52,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:52,987 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:52,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,008 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,012 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 16:50:53,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-25 16:50:53,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,029 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:53,030 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:53,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-11-25 16:50:53,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,057 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-25 16:50:53,063 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 16:50:53,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,077 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:53,079 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-25 16:50:53,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,096 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,103 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 16:50:53,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-25 16:50:53,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,120 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:53,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-25 16:50:53,131 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2022-11-25 16:50:53,132 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-25 16:50:53,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,172 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-25 16:50:53,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,174 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,179 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 16:50:53,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-25 16:50:53,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,197 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:53,198 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 16:50:53,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,221 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,227 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 16:50:53,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-25 16:50:53,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,243 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:53,245 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 16:50:53,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,302 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,306 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 16:50:53,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-25 16:50:53,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,323 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:53,324 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 16:50:53,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,344 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,351 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 16:50:53,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-25 16:50:53,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,367 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:53,368 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-25 16:50:53,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-25 16:50:53,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,379 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,388 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 16:50:53,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-25 16:50:53,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:53,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,405 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:53,405 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-25 16:50:53,421 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2022-11-25 16:50:53,422 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2022-11-25 16:50:53,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,467 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-25 16:50:53,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,469 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,474 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 16:50:53,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-25 16:50:53,490 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:53,490 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:53,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,491 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:53,492 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:53,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,513 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,518 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 16:50:53,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-25 16:50:53,534 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:53,534 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:53,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,535 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:53,536 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:53,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,565 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-25 16:50:53,568 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 16:50:53,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:53,582 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:53,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,582 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:53,583 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:53,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,591 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-25 16:50:53,594 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 16:50:53,607 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:53,607 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:53,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:53,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:53,608 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:53,609 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-25 16:50:53,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:53,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 16:50:53,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,650 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-25 16:50:53,656 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 16:50:53,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-25 16:50:53,671 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-25 16:50:53,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:53,671 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-25 16:50:53,671 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-25 16:50:53,679 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-25 16:50:53,680 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-25 16:50:53,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:50:53,780 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-11-25 16:50:53,780 INFO L444 ModelExtractionUtils]: 2 out of 18 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-25 16:50:53,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:53,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:53,783 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:53,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:50:53,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-25 16:50:53,831 INFO L438 nArgumentSynthesizer]: Removed 5 redundant supporting invariants from a total of 6. [2022-11-25 16:50:53,832 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:50:53,832 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~x~0#1 f1 = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-11-25 16:50:53,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:53,842 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-25 16:50:53,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:53,891 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:50:53,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:53,907 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 16:50:53,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:54,139 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 16:50:54,140 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-25 16:50:54,140 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:54,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 29 transitions. Complement of second has 10 states. [2022-11-25 16:50:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2022-11-25 16:50:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2022-11-25 16:50:54,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 4 letters. Loop has 5 letters. [2022-11-25 16:50:54,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:54,333 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 16:50:54,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:54,369 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 16:50:54,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:54,383 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 16:50:54,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:54,534 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 16:50:54,535 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-25 16:50:54,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:54,690 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 36 transitions. Complement of second has 11 states. [2022-11-25 16:50:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-11-25 16:50:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2022-11-25 16:50:54,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 5 letters. [2022-11-25 16:50:54,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:54,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 9 letters. Loop has 5 letters. [2022-11-25 16:50:54,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:54,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 10 letters. [2022-11-25 16:50:54,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:54,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 36 transitions. [2022-11-25 16:50:54,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-25 16:50:54,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 25 states and 34 transitions. [2022-11-25 16:50:54,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-25 16:50:54,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-25 16:50:54,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2022-11-25 16:50:54,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 16:50:54,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2022-11-25 16:50:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2022-11-25 16:50:54,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-11-25 16:50:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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 16:50:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-25 16:50:54,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-25 16:50:54,698 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-25 16:50:54,698 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 16:50:54,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-25 16:50:54,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-25 16:50:54,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:50:54,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:50:54,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 16:50:54,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1] [2022-11-25 16:50:54,701 INFO L748 eck$LassoCheckResult]: Stem: 454#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 455#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 457#L16-2 assume !!(0 != main_~x~0#1); 456#L16 assume main_~x~0#1 > 0; 460#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 447#L17-4 [2022-11-25 16:50:54,701 INFO L750 eck$LassoCheckResult]: Loop: 447#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 465#L16-2 assume !!(0 != main_~x~0#1); 464#L16 assume !(main_~x~0#1 > 0);main_#t~post2#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 462#L16-2 assume !!(0 != main_~x~0#1); 461#L16 assume main_~x~0#1 > 0; 446#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 447#L17-4 [2022-11-25 16:50:54,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:54,702 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 2 times [2022-11-25 16:50:54,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:54,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465342217] [2022-11-25 16:50:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:54,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:54,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:54,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:54,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1642865508, now seen corresponding path program 1 times [2022-11-25 16:50:54,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:54,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738554945] [2022-11-25 16:50:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:54,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:54,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:54,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738554945] [2022-11-25 16:50:54,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738554945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 16:50:54,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769335566] [2022-11-25 16:50:54,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:54,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:50:54,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:54,758 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:50:54,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2022-11-25 16:50:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:54,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:50:54,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:54,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:50:54,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:54,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769335566] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:50:54,843 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 16:50:54,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-25 16:50:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486187908] [2022-11-25 16:50:54,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 16:50:54,844 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 16:50:54,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:54,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:50:54,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:50:54,846 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 16:50:54,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:54,901 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2022-11-25 16:50:54,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2022-11-25 16:50:54,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-25 16:50:54,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 21 states and 25 transitions. [2022-11-25 16:50:54,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-25 16:50:54,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-25 16:50:54,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2022-11-25 16:50:54,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 16:50:54,904 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-11-25 16:50:54,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2022-11-25 16:50:54,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2022-11-25 16:50:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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 16:50:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-25 16:50:54,912 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-25 16:50:54,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:50:54,914 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-25 16:50:54,914 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 16:50:54,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-25 16:50:54,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 16:50:54,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 16:50:54,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 16:50:54,916 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-25 16:50:54,916 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 16:50:54,916 INFO L748 eck$LassoCheckResult]: Stem: 541#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 542#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 544#L16-2 assume !!(0 != main_~x~0#1); 545#L16 assume main_~x~0#1 > 0; 540#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 537#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 533#L16-2 [2022-11-25 16:50:54,917 INFO L750 eck$LassoCheckResult]: Loop: 533#L16-2 assume !!(0 != main_~x~0#1); 532#L16 assume !(main_~x~0#1 > 0);main_#t~post2#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 533#L16-2 [2022-11-25 16:50:54,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:54,917 INFO L85 PathProgramCache]: Analyzing trace with hash 889692431, now seen corresponding path program 2 times [2022-11-25 16:50:54,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:54,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389814590] [2022-11-25 16:50:54,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:54,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:54,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:54,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:54,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:54,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 2 times [2022-11-25 16:50:54,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:54,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834568762] [2022-11-25 16:50:54,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:54,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:54,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:54,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:54,938 INFO L85 PathProgramCache]: Analyzing trace with hash 295934656, now seen corresponding path program 1 times [2022-11-25 16:50:54,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:50:54,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594767460] [2022-11-25 16:50:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:50:54,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:50:54,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594767460] [2022-11-25 16:50:54,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594767460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:54,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:54,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:50:54,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222350041] [2022-11-25 16:50:54,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:55,021 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:55,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:55,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:55,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:55,022 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 16:50:55,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:55,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:55,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:55,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration5_Loop [2022-11-25 16:50:55,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:55,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:55,024 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 16:50:55,034 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 16:50:55,074 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:55,075 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 16:50:55,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:55,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:55,077 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:55,084 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 16:50:55,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:55,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-25 16:50:55,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:55,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:55,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:55,120 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:55,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 16:50:55,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 16:50:55,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-25 16:50:55,153 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 16:50:55,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-25 16:50:55,157 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 16:50:55,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 16:50:55,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 16:50:55,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 16:50:55,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 16:50:55,157 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:55,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 16:50:55,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 16:50:55,157 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration5_Loop [2022-11-25 16:50:55,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 16:50:55,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 16:50:55,158 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 16:50:55,173 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 16:50:55,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 16:50:55,214 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 16:50:55,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:55,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:55,216 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:55,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-25 16:50:55,227 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 16:50:55,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 16:50:55,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 16:50:55,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 16:50:55,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 16:50:55,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 16:50:55,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 16:50:55,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 16:50:55,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 16:50:55,271 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-25 16:50:55,272 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-25 16:50:55,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 16:50:55,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:55,275 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:55,278 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 16:50:55,279 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 16:50:55,279 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 16:50:55,279 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 16:50:55,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-25 16:50:55,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:55,283 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 16:50:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:55,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 16:50:55,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:55,325 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 16:50:55,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:55,329 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 16:50:55,330 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 16:50:55,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16:50:55,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 36 states and 43 transitions. Complement of second has 5 states. [2022-11-25 16:50:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 16:50:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 16:50:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2022-11-25 16:50:55,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-25 16:50:55,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:55,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-25 16:50:55,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:55,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-25 16:50:55,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 16:50:55,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2022-11-25 16:50:55,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 16:50:55,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 23 states and 27 transitions. [2022-11-25 16:50:55,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 16:50:55,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 16:50:55,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2022-11-25 16:50:55,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 16:50:55,367 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-25 16:50:55,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2022-11-25 16:50:55,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 14. [2022-11-25 16:50:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:50:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-11-25 16:50:55,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-25 16:50:55,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:50:55,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:50:55,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:50:55,372 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 16:50:55,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:55,400 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-25 16:50:55,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2022-11-25 16:50:55,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:50:55,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-11-25 16:50:55,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 16:50:55,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 16:50:55,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 16:50:55,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:50:55,402 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:50:55,402 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:50:55,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:50:55,406 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:50:55,407 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 16:50:55,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:50:55,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 16:50:55,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 16:50:55,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 04:50:55 BoogieIcfgContainer [2022-11-25 16:50:55,417 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 16:50:55,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:50:55,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:50:55,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:50:55,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:47" (3/4) ... [2022-11-25 16:50:55,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:50:55,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:50:55,424 INFO L158 Benchmark]: Toolchain (without parser) took 8744.46ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 129.3MB in the beginning and 149.1MB in the end (delta: -19.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-25 16:50:55,424 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:55,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.28ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 119.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 16:50:55,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.21ms. Allocated memory is still 174.1MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:55,426 INFO L158 Benchmark]: Boogie Preprocessor took 40.02ms. Allocated memory is still 174.1MB. Free memory was 118.3MB in the beginning and 117.7MB in the end (delta: 598.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:55,426 INFO L158 Benchmark]: RCFGBuilder took 316.68ms. Allocated memory is still 174.1MB. Free memory was 117.2MB in the beginning and 108.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 16:50:55,426 INFO L158 Benchmark]: BuchiAutomizer took 8069.16ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 108.3MB in the beginning and 149.1MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:55,427 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 209.7MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:55,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.28ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 119.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.21ms. Allocated memory is still 174.1MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.02ms. Allocated memory is still 174.1MB. Free memory was 118.3MB in the beginning and 117.7MB in the end (delta: 598.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.68ms. Allocated memory is still 174.1MB. Free memory was 117.2MB in the beginning and 108.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 8069.16ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 108.3MB in the beginning and 149.1MB in the end (delta: -40.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 209.7MB. Free memory is still 149.1MB. 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 7 terminating modules (3 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x and consists of 4 locations. One deterministic module has affine ranking function org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@35b2db74 and consists of 6 locations. One deterministic module has 2-phase ranking function (if x > 0 then 1 else 0), (if x > 0 then x else -1 * x) and consists of 6 locations. One deterministic module has affine ranking function -1 * x and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 6.2s. Construction of modules took 0.2s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 38 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 56 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf95 smp86 dnf110 smp100 tf109 neg97 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 88ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.7s 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 16:50:55,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:55,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:55,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c977731-6394-415a-b138-6bf36180ca15/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE