./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 355c3bb312bba5e020472786a4caafea50b5bcf8c3a1fa521d24067678409c73 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:36:53,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:36:53,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:36:53,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:36:53,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:36:53,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:36:53,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:36:53,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:36:53,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:36:53,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:36:53,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:36:53,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:36:53,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:36:53,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:36:53,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:36:53,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:36:53,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:36:53,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:36:53,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:36:53,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:36:53,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:36:53,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:36:53,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:36:53,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:36:53,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:36:53,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:36:53,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:36:53,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:36:53,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:36:53,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:36:53,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:36:53,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:36:53,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:36:53,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:36:53,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:36:53,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:36:53,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:36:53,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:36:53,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:36:53,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:36:53,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:36:53,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 22:36:53,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:36:53,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:36:53,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:36:53,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:36:53,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:36:53,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:36:53,605 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:36:53,605 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:36:53,605 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:36:53,605 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:36:53,605 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:36:53,606 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:36:53,606 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:36:53,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:36:53,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:36:53,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:36:53,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:36:53,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:36:53,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:36:53,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:36:53,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:36:53,607 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:36:53,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:36:53,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:36:53,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:36:53,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:36:53,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:36:53,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:36:53,609 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:36:53,609 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_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355c3bb312bba5e020472786a4caafea50b5bcf8c3a1fa521d24067678409c73 [2022-12-13 22:36:53,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:36:53,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:36:53,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:36:53,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:36:53,810 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:36:53,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2022-12-13 22:36:56,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:36:56,576 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:36:56,577 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2022-12-13 22:36:56,581 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/data/f0dd312e5/9797acd0fa9a4d56a109e05de58f63fc/FLAGd7355b51b [2022-12-13 22:36:56,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/data/f0dd312e5/9797acd0fa9a4d56a109e05de58f63fc [2022-12-13 22:36:56,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:36:56,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:36:56,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:36:56,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:36:56,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:36:56,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad6cf20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56, skipping insertion in model container [2022-12-13 22:36:56,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:36:56,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:36:56,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:36:56,719 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:36:56,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:36:56,744 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:36:56,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56 WrapperNode [2022-12-13 22:36:56,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:36:56,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:36:56,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:36:56,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:36:56,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,767 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2022-12-13 22:36:56,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:36:56,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:36:56,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:36:56,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:36:56,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:36:56,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:36:56,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:36:56,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:36:56,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (1/1) ... [2022-12-13 22:36:56,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:56,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:56,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:56,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:36:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:36:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:36:56,898 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:36:56,900 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:36:56,951 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:36:56,955 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:36:56,955 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:36:56,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:36:56 BoogieIcfgContainer [2022-12-13 22:36:56,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:36:56,957 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:36:56,958 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:36:56,960 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:36:56,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:36:56,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:36:56" (1/3) ... [2022-12-13 22:36:56,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f54858e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:36:56, skipping insertion in model container [2022-12-13 22:36:56,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:36:56,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:36:56" (2/3) ... [2022-12-13 22:36:56,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f54858e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:36:56, skipping insertion in model container [2022-12-13 22:36:56,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:36:56,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:36:56" (3/3) ... [2022-12-13 22:36:56,963 INFO L332 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2022-12-13 22:36:57,006 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:36:57,006 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:36:57,006 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:36:57,006 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:36:57,006 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:36:57,006 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:36:57,007 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:36:57,007 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:36:57,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:36:57,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 22:36:57,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:36:57,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:36:57,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 22:36:57,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:36:57,027 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:36:57,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:36:57,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 22:36:57,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:36:57,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:36:57,028 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 22:36:57,029 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:36:57,034 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11#L24true assume !!(main_~x~0#1 <= 65535); 4#L25true assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535); 8#L26true assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535); 12#L27-2true [2022-12-13 22:36:57,035 INFO L750 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0#1 >= 0); 5#L28true assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 9#L28-2true main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1; 12#L27-2true [2022-12-13 22:36:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-12-13 22:36:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:57,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251638648] [2022-12-13 22:36:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:57,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:57,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:36:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:57,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:36:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash 55709, now seen corresponding path program 1 times [2022-12-13 22:36:57,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:57,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85770334] [2022-12-13 22:36:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:57,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:57,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:36:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:57,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:36:57,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:57,141 INFO L85 PathProgramCache]: Analyzing trace with hash 179571573, now seen corresponding path program 1 times [2022-12-13 22:36:57,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:57,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405576591] [2022-12-13 22:36:57,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:57,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:57,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:36:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:57,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:36:57,224 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:36:57,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:36:57,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:36:57,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:36:57,224 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:36:57,224 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:36:57,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:36:57,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2022-12-13 22:36:57,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:36:57,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:36:57,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:36:57,345 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:36:57,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:36:57,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:57,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:57,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:36:57,372 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:36:57,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:57,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,378 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:36:57,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:57,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:57,402 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:36:57,402 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:36:57,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:36:57,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:36:57,410 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:57,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:57,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 22:36:57,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:36:57,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:36:57,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:57,638 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:36:57,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:57,642 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:36:57,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:36:57,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:36:57,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:36:57,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:36:57,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:36:57,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:36:57,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2022-12-13 22:36:57,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:36:57,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:36:57,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:57,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:36:57,707 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:36:57,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 22:36:57,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:57,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:36:57,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:36:57,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 22:36:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,736 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 22:36:57,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:57,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:36:57,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:36:57,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 22:36:57,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,761 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 22:36:57,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:57,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:57,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:36:57,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:57,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 22:36:57,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,783 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 22:36:57,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:57,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,796 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:36:57,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:57,797 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:36:57,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:57,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 22:36:57,810 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 22:36:57,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 22:36:57,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,825 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:57,828 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:36:57,828 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:36:57,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 22:36:57,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 22:36:57,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,860 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:57,863 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:36:57,863 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:36:57,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 22:36:57,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,872 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 22:36:57,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:57,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,885 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:57,887 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:36:57,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:57,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 22:36:57,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,894 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 22:36:57,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:57,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,907 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:36:57,907 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:57,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:36:57,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:57,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:57,914 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 22:36:57,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,915 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 22:36:57,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:57,933 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:36:57,934 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:36:57,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 22:36:57,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,947 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 22:36:57,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,960 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:57,964 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:36:57,964 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:36:57,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:57,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 22:36:57,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:57,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:57,976 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:57,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 22:36:57,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:57,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:57,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:57,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:57,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:57,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:57,992 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:36:57,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:57,999 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:36:58,005 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 22:36:58,005 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 22:36:58,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:58,031 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:58,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 22:36:58,033 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:36:58,033 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:36:58,033 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:36:58,034 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 + 1 f1 = 2*ULTIMATE.start_main_~y~0#1 + 1 f2 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-12-13 22:36:58,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 22:36:58,043 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:36:58,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:58,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:36:58,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:36:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:58,100 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 22:36:58,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:36:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:36:58,432 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 [2022-12-13 22:36:58,434 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2022-12-13 22:36:58,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:58,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 35 states and 44 transitions. Complement of second has 10 states. [2022-12-13 22:36:58,534 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 [2022-12-13 22:36:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2022-12-13 22:36:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2022-12-13 22:36:58,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2022-12-13 22:36:58,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:36:58,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 8 letters. Loop has 3 letters. [2022-12-13 22:36:58,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:36:58,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 6 letters. [2022-12-13 22:36:58,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:36:58,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2022-12-13 22:36:58,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 22:36:58,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 14 states and 17 transitions. [2022-12-13 22:36:58,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 22:36:58,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 22:36:58,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-12-13 22:36:58,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:36:58,545 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-13 22:36:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-12-13 22:36:58,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-13 22:36:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:36:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-12-13 22:36:58,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-13 22:36:58,564 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-13 22:36:58,564 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:36:58,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-12-13 22:36:58,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 22:36:58,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:36:58,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:36:58,565 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:36:58,565 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:36:58,565 INFO L748 eck$LassoCheckResult]: Stem: 111#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 116#L24 assume !!(main_~x~0#1 <= 65535); 109#L25 assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535); 110#L26 assume !!(-65535 <= main_~z~0#1 && main_~z~0#1 <= 65535); 115#L27-2 assume !!(main_~x~0#1 >= 0); 105#L28 assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~z~0#1; 106#L28-2 [2022-12-13 22:36:58,565 INFO L750 eck$LassoCheckResult]: Loop: 106#L28-2 main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := main_~z~0#1 - 1; 113#L27-2 assume !!(main_~x~0#1 >= 0); 117#L28 assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 106#L28-2 [2022-12-13 22:36:58,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:58,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907950, now seen corresponding path program 1 times [2022-12-13 22:36:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:58,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276763362] [2022-12-13 22:36:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:58,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:36:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:58,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:36:58,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:58,574 INFO L85 PathProgramCache]: Analyzing trace with hash 62339, now seen corresponding path program 2 times [2022-12-13 22:36:58,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:58,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132040658] [2022-12-13 22:36:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:58,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:36:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:58,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:36:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash 769650230, now seen corresponding path program 1 times [2022-12-13 22:36:58,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:36:58,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9493471] [2022-12-13 22:36:58,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:36:58,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:36:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:58,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:36:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:36:58,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:36:58,614 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:36:58,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:36:58,615 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:36:58,615 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:36:58,615 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:36:58,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:36:58,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:36:58,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2022-12-13 22:36:58,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:36:58,615 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:36:58,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,663 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:36:58,663 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:36:58,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:58,664 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:58,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 22:36:58,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:58,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:58,684 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:36:58,684 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:36:58,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:58,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:58,688 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:58,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 22:36:58,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:58,691 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:58,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:36:58,708 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=4} Honda state: {ULTIMATE.start_main_#t~nondet3#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:36:58,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 22:36:58,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:58,712 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:58,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 22:36:58,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:58,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:58,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:36:58,731 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 22:36:58,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:58,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:58,735 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:58,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 22:36:58,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:36:58,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:58,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 22:36:58,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:58,753 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:58,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 22:36:58,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:36:58,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:36:58,949 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:36:58,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 22:36:58,952 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:36:58,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:36:58,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:36:58,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:36:58,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:36:58,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:58,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:36:58,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:36:58,952 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2022-12-13 22:36:58,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:36:58,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:36:58,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:58,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:36:59,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:36:59,004 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:36:59,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,005 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 22:36:59,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:59,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,017 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:36:59,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:59,018 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:36:59,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:59,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 22:36:59,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,023 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 22:36:59,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:59,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:36:59,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:36:59,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 22:36:59,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,043 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 22:36:59,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:59,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:36:59,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:36:59,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 22:36:59,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,064 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 22:36:59,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:59,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:36:59,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:36:59,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:59,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:59,082 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 22:36:59,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,083 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 22:36:59,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:59,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,096 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:36:59,096 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:59,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:36:59,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:59,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:59,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,103 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 22:36:59,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,115 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:59,117 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:36:59,117 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:36:59,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:59,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,125 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 22:36:59,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,137 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:59,139 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:36:59,139 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:36:59,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 22:36:59,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,147 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 22:36:59,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:59,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,160 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:36:59,161 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:36:59,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:59,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 22:36:59,167 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 22:36:59,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,168 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 22:36:59,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:59,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,180 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:36:59,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:59,181 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 22:36:59,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:59,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:59,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,188 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 22:36:59,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,200 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:59,203 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:36:59,203 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:36:59,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:59,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,212 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 22:36:59,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,224 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:59,227 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:36:59,227 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:36:59,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:36:59,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 22:36:59,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,236 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 22:36:59,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:36:59,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:36:59,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:36:59,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:36:59,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:36:59,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:36:59,250 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:36:59,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:36:59,255 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:36:59,260 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-12-13 22:36:59,261 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 22:36:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:36:59,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:36:59,262 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:36:59,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 22:36:59,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:36:59,264 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:36:59,264 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:36:59,264 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~z~0#1 + 1 f2 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-12-13 22:36:59,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 22:36:59,268 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:36:59,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:36:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:59,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:36:59,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:36:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:36:59,305 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 22:36:59,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:36:59,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-12-13 22:36:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:36:59,582 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 [2022-12-13 22:36:59,583 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:36:59,604 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 6 states. [2022-12-13 22:36:59,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:36:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:36:59,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-12-13 22:36:59,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2022-12-13 22:36:59,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:36:59,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2022-12-13 22:36:59,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:36:59,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 7 letters. Loop has 6 letters. [2022-12-13 22:36:59,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:36:59,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2022-12-13 22:36:59,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:36:59,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-12-13 22:36:59,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 22:36:59,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 22:36:59,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 22:36:59,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:36:59,607 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:36:59,607 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:36:59,607 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:36:59,607 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:36:59,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:36:59,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:36:59,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 22:36:59,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:36:59 BoogieIcfgContainer [2022-12-13 22:36:59,612 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:36:59,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:36:59,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:36:59,613 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:36:59,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:36:56" (3/4) ... [2022-12-13 22:36:59,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:36:59,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:36:59,615 INFO L158 Benchmark]: Toolchain (without parser) took 3018.34ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 119.1MB in the beginning and 133.4MB in the end (delta: -14.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-12-13 22:36:59,616 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 120.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:36:59,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.04ms. Allocated memory is still 151.0MB. Free memory was 119.1MB in the beginning and 109.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:36:59,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.21ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 108.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:36:59,616 INFO L158 Benchmark]: Boogie Preprocessor took 12.72ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 949.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:36:59,617 INFO L158 Benchmark]: RCFGBuilder took 176.23ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 98.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 22:36:59,617 INFO L158 Benchmark]: BuchiAutomizer took 2654.78ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 98.4MB in the beginning and 133.4MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:36:59,617 INFO L158 Benchmark]: Witness Printer took 2.35ms. Allocated memory is still 182.5MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:36:59,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 120.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.04ms. Allocated memory is still 151.0MB. Free memory was 119.1MB in the beginning and 109.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.21ms. Allocated memory is still 151.0MB. Free memory was 109.8MB in the beginning and 108.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.72ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 949.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 176.23ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 98.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2654.78ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 98.4MB in the beginning and 133.4MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.35ms. Allocated memory is still 182.5MB. Free memory is still 133.4MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 2 * z + 1 > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 2 * z + 1 > 0 then 2 * y + 2 * z + 1 else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 22 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 22:36:59,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcd59943-8a9f-4ffb-8642-c3279256c85e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE