./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/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_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/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_47a9a219-717f-4ddb-a571-7c637baedc8f/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 86d52fe8166d050ac731ccea951d586d64260a15b87f2be13444887a7e6d3fbf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:33:11,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:33:11,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:33:11,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:33:11,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:33:11,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:33:11,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:33:11,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:33:11,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:33:11,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:33:11,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:33:11,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:33:11,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:33:11,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:33:11,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:33:11,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:33:11,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:33:11,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:33:11,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:33:11,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:33:11,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:33:11,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:33:11,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:33:11,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:33:11,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:33:11,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:33:11,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:33:11,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:33:11,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:33:11,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:33:11,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:33:11,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:33:11,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:33:11,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:33:11,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:33:11,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:33:11,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:33:11,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:33:11,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:33:11,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:33:11,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:33:11,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 18:33:11,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:33:11,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:33:11,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:33:11,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:33:11,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:33:11,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:33:11,769 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:33:11,769 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:33:11,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:33:11,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:33:11,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:33:11,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:33:11,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:33:11,772 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:33:11,772 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_47a9a219-717f-4ddb-a571-7c637baedc8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86d52fe8166d050ac731ccea951d586d64260a15b87f2be13444887a7e6d3fbf [2022-12-13 18:33:11,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:33:11,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:33:11,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:33:11,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:33:11,957 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:33:11,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-bwb/and-03.c [2022-12-13 18:33:14,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:33:14,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:33:14,637 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/sv-benchmarks/c/termination-bwb/and-03.c [2022-12-13 18:33:14,641 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/data/6dc434b96/d396b25972474e3a855efabec1558dfe/FLAGb320e454e [2022-12-13 18:33:14,652 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/data/6dc434b96/d396b25972474e3a855efabec1558dfe [2022-12-13 18:33:14,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:33:14,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:33:14,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:33:14,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:33:14,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:33:14,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b181f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14, skipping insertion in model container [2022-12-13 18:33:14,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:33:14,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:33:14,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:33:14,793 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:33:14,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:33:14,812 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:33:14,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14 WrapperNode [2022-12-13 18:33:14,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:33:14,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:33:14,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:33:14,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:33:14,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,835 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-12-13 18:33:14,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:33:14,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:33:14,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:33:14,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:33:14,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:33:14,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:33:14,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:33:14,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:33:14,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (1/1) ... [2022-12-13 18:33:14,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:14,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:14,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:14,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:33:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:33:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:33:14,951 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:33:14,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:33:15,017 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:33:15,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:33:15,022 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:33:15,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:33:15 BoogieIcfgContainer [2022-12-13 18:33:15,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:33:15,025 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:33:15,025 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:33:15,027 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:33:15,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:33:15,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:33:14" (1/3) ... [2022-12-13 18:33:15,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dca857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:33:15, skipping insertion in model container [2022-12-13 18:33:15,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:33:15,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:33:14" (2/3) ... [2022-12-13 18:33:15,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@dca857d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:33:15, skipping insertion in model container [2022-12-13 18:33:15,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:33:15,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:33:15" (3/3) ... [2022-12-13 18:33:15,031 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-03.c [2022-12-13 18:33:15,075 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:33:15,076 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:33:15,076 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:33:15,076 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:33:15,076 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:33:15,076 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:33:15,076 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:33:15,076 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:33:15,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:15,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 18:33:15,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:15,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:15,097 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:33:15,097 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 18:33:15,097 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:33:15,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:15,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 18:33:15,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:15,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:15,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:33:15,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 18:33:15,104 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L16-2true [2022-12-13 18:33:15,104 INFO L750 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(0 != main_~x~0#1); 2#L16true assume !(main_~x~0#1 > 0);main_#t~post2#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8#L16-2true [2022-12-13 18:33:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,109 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 18:33:15,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:15,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845355097] [2022-12-13 18:33:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:15,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:15,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-12-13 18:33:15,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:15,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454168637] [2022-12-13 18:33:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:15,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-12-13 18:33:15,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:15,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249759365] [2022-12-13 18:33:15,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:15,254 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:15,255 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:15,255 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:15,255 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:15,255 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:33:15,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:15,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:15,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration1_Loop [2022-12-13 18:33:15,256 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:15,256 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:15,268 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 18:33:15,277 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 18:33:15,349 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:15,349 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:33:15,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 18:33:15,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:15,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:15,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:33:15,372 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:33:15,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:15,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 18:33:15,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:15,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:15,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 18:33:15,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,396 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 18:33:15,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:33:15,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:15,422 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:33:15,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 18:33:15,426 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:15,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:15,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:15,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:15,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:33:15,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:15,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:15,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration1_Loop [2022-12-13 18:33:15,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:15,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:15,428 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 18:33:15,431 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 18:33:15,468 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:15,472 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:33:15,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 18:33:15,477 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 18:33:15,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:15,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:15,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:15,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:15,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:15,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:15,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:15,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:15,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 18:33:15,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 18:33:15,500 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 18:33:15,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:15,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:15,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:15,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:15,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:15,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:15,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:15,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:33:15,520 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 18:33:15,520 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 18:33:15,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,567 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 18:33:15,569 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:33:15,569 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 18:33:15,569 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:33:15,570 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 18:33:15,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 18:33:15,575 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 18:33:15,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:15,601 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:33:15,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:15,611 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:33:15,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:15,614 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 18:33:15,639 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 18:33:15,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:15,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 55 transitions. Complement of second has 6 states. [2022-12-13 18:33:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:33:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-12-13 18:33:15,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2022-12-13 18:33:15,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:15,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 18:33:15,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:15,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 18:33:15,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:15,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2022-12-13 18:33:15,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 18:33:15,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 14 states and 20 transitions. [2022-12-13 18:33:15,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 18:33:15,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-12-13 18:33:15,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2022-12-13 18:33:15,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:33:15,693 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-12-13 18:33:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2022-12-13 18:33:15,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-13 18:33:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2022-12-13 18:33:15,712 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-12-13 18:33:15,712 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-12-13 18:33:15,712 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:33:15,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2022-12-13 18:33:15,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 18:33:15,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:15,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:15,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 18:33:15,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 18:33:15,714 INFO L748 eck$LassoCheckResult]: Stem: 92#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 93#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 96#L16-2 assume !!(0 != main_~x~0#1); 84#L16 assume main_~x~0#1 > 0; 85#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-12-13 18:33:15,714 INFO L750 eck$LassoCheckResult]: Loop: 89#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 94#L16-2 assume !!(0 != main_~x~0#1); 95#L16 assume main_~x~0#1 > 0; 90#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-12-13 18:33:15,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 1 times [2022-12-13 18:33:15,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:15,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201081884] [2022-12-13 18:33:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:15,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1709109, now seen corresponding path program 1 times [2022-12-13 18:33:15,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:15,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523876862] [2022-12-13 18:33:15,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:15,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:15,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash 584039327, now seen corresponding path program 1 times [2022-12-13 18:33:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:15,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121545521] [2022-12-13 18:33:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:15,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:15,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:15,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121545521] [2022-12-13 18:33:15,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121545521] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:15,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:15,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:33:15,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875261076] [2022-12-13 18:33:15,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:15,802 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:15,802 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:15,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:15,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:15,802 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:33:15,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:15,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:15,803 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration2_Loop [2022-12-13 18:33:15,803 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:15,803 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:15,803 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 18:33:15,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:15,828 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:33:15,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,830 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 18:33:15,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:15,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:15,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 18:33:15,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:15,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:15,848 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:15,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 18:33:15,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:33:15,851 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:16,607 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:33:16,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 18:33:16,610 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:16,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:16,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:16,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:16,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:33:16,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:16,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:16,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration2_Loop [2022-12-13 18:33:16,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:16,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:16,611 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 18:33:16,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:16,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:33:16,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:16,635 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:16,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 18:33:16,637 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 18:33:16,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:16,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:16,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:16,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:16,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:16,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:16,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:16,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:33:16,656 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 18:33:16,656 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 18:33:16,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:16,657 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:16,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 18:33:16,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:33:16,659 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 18:33:16,659 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:33:16,659 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet1#1) = 1*ULTIMATE.start_main_#t~nondet1#1 Supporting invariants [] [2022-12-13 18:33:16,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:16,662 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 18:33:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:16,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:33:16,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:16,683 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 18:33:16,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:16,712 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 18:33:16,713 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 18:33:16,713 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:16,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 73 transitions. Complement of second has 10 states. [2022-12-13 18:33:16,766 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 18:33:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2022-12-13 18:33:16,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 18:33:16,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:16,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2022-12-13 18:33:16,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:16,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2022-12-13 18:33:16,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:16,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 73 transitions. [2022-12-13 18:33:16,769 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2022-12-13 18:33:16,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 44 states and 61 transitions. [2022-12-13 18:33:16,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-12-13 18:33:16,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 18:33:16,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 61 transitions. [2022-12-13 18:33:16,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:33:16,770 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 61 transitions. [2022-12-13 18:33:16,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 61 transitions. [2022-12-13 18:33:16,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2022-12-13 18:33:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.40625) internal successors, (45), 31 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2022-12-13 18:33:16,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 45 transitions. [2022-12-13 18:33:16,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:33:16,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:33:16,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:33:16,775 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:33:16,794 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2022-12-13 18:33:16,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-12-13 18:33:16,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-12-13 18:33:16,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 28 transitions. [2022-12-13 18:33:16,796 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-12-13 18:33:16,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-12-13 18:33:16,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-12-13 18:33:16,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:33:16,796 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-12-13 18:33:16,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-12-13 18:33:16,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 14. [2022-12-13 18:33:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-12-13 18:33:16,798 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-12-13 18:33:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:33:16,799 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-12-13 18:33:16,799 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:33:16,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-12-13 18:33:16,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-12-13 18:33:16,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:16,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:16,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 18:33:16,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 18:33:16,800 INFO L748 eck$LassoCheckResult]: Stem: 271#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 273#L16-2 assume !!(0 != main_~x~0#1); 270#L16 assume main_~x~0#1 > 0; 267#L17 [2022-12-13 18:33:16,800 INFO L750 eck$LassoCheckResult]: Loop: 267#L17 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 265#L17-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet1#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet1#1 <= main_~x~0#1 && main_#t~nondet1#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet1#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet1#1 > main_~x~0#1 + (main_~x~0#1 - 1); 266#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 262#L16-2 assume !!(0 != main_~x~0#1); 274#L16 assume main_~x~0#1 > 0; 267#L17 [2022-12-13 18:33:16,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:16,801 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-12-13 18:33:16,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:16,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140747379] [2022-12-13 18:33:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:16,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:16,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:16,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:16,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:16,806 INFO L85 PathProgramCache]: Analyzing trace with hash 46916375, now seen corresponding path program 1 times [2022-12-13 18:33:16,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:16,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923751087] [2022-12-13 18:33:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:16,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:16,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:16,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:16,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:16,817 INFO L85 PathProgramCache]: Analyzing trace with hash 585841106, now seen corresponding path program 1 times [2022-12-13 18:33:16,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:16,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261904990] [2022-12-13 18:33:16,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:16,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:16,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:16,869 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:16,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:16,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:16,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:16,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:33:16,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:16,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:16,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Loop [2022-12-13 18:33:16,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:16,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:16,870 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 18:33:16,875 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 18:33:16,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:16,892 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:33:16,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:16,894 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:16,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 18:33:16,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:16,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:16,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 18:33:16,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:16,912 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 18:33:16,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:33:16,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:16,965 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:33:16,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 18:33:16,968 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:16,968 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:16,968 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:16,968 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:16,969 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:33:16,969 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,969 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:16,969 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:16,969 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Loop [2022-12-13 18:33:16,969 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:16,969 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:16,970 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 18:33:16,972 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 18:33:16,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:16,994 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:33:16,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:16,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:16,995 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 18:33:16,998 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 18:33:17,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:17,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 18:33:17,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,014 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 18:33:17,016 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 18:33:17,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,026 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,028 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,034 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 18:33:17,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,035 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 18:33:17,037 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 18:33:17,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,047 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,048 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:17,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 18:33:17,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,054 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 18:33:17,057 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 18:33:17,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,067 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,067 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:33:17,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,076 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 18:33:17,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,077 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 18:33:17,080 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 18:33:17,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,090 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,091 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 18:33:17,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,097 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 18:33:17,099 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 18:33:17,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,110 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,112 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 18:33:17,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 18:33:17,120 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 18:33:17,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,121 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 18:33:17,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 18:33:17,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 18:33:17,133 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 18:33:17,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,144 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:17,144 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 18:33:17,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,150 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 18:33:17,153 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 18:33:17,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,163 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:17,166 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-12-13 18:33:17,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 18:33:17,174 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 18:33:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,175 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 18:33:17,177 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 18:33:17,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,188 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:17,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,188 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,189 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:17,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,196 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 18:33:17,199 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 18:33:17,209 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,209 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:17,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,209 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,209 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:33:17,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,224 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 18:33:17,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,225 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 18:33:17,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:33:17,238 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,238 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 18:33:17,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,238 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 18:33:17,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,247 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 18:33:17,249 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 18:33:17,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,260 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 18:33:17,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,260 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,260 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,264 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 18:33:17,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,278 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 18:33:17,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,279 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 18:33:17,281 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 18:33:17,292 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,292 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 18:33:17,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:17,294 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 18:33:17,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,303 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 18:33:17,305 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 18:33:17,315 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,315 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 18:33:17,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,316 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,316 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:17,320 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-12-13 18:33:17,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 18:33:17,337 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 18:33:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,339 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 18:33:17,341 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 18:33:17,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,351 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:17,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,351 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,352 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,358 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 18:33:17,360 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 18:33:17,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,370 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:17,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,370 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,370 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,372 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 18:33:17,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 18:33:17,381 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 18:33:17,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,382 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 18:33:17,384 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 18:33:17,394 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,395 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 18:33:17,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,395 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 18:33:17,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:33:17,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,402 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 18:33:17,405 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 18:33:17,416 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:17,416 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 18:33:17,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,416 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,416 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 18:33:17,419 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 18:33:17,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 18:33:17,437 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:17,437 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:17,437 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:17,438 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:17,438 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:33:17,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,438 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:17,438 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:17,438 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Lasso [2022-12-13 18:33:17,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:17,438 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:17,438 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 18:33:17,440 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 18:33:17,441 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 18:33:17,443 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 18:33:17,444 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 18:33:17,470 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:17,470 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:33:17,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,471 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 18:33:17,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:17,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:17,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:33:17,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:33:17,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,488 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 18:33:17,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:17,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:17,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:33:17,501 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:33:17,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 18:33:17,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,505 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 18:33:17,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:17,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:17,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:33:17,518 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:33:17,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,522 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 18:33:17,524 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:17,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:17,535 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:33:17,536 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:33:17,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 18:33:17,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,539 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 18:33:17,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:17,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:17,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,555 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 18:33:17,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:33:17,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:17,610 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:33:17,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,613 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:17,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:17,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:17,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:17,613 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:33:17,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:17,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:17,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration3_Lasso [2022-12-13 18:33:17,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:17,614 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:17,615 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 18:33:17,616 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 18:33:17,618 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 18:33:17,620 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 18:33:17,621 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 18:33:17,642 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:17,642 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:33:17,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,643 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 18:33:17,645 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 18:33:17,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:17,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 18:33:17,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,661 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 18:33:17,663 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 18:33:17,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:17,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 18:33:17,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,677 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 18:33:17,680 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 18:33:17,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:17,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-12-13 18:33:17,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,694 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 18:33:17,696 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 18:33:17,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:17,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 18:33:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,712 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 18:33:17,714 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 18:33:17,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,724 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:17,729 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 18:33:17,729 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 18:33:17,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-12-13 18:33:17,744 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 18:33:17,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,745 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 18:33:17,747 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 18:33:17,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,757 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,758 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:17,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 18:33:17,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,763 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 18:33:17,764 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 18:33:17,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,775 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,776 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:17,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-12-13 18:33:17,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,780 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 18:33:17,782 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 18:33:17,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,793 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,793 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:17,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-12-13 18:33:17,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,797 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 18:33:17,799 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 18:33:17,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,810 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,810 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:17,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-12-13 18:33:17,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,815 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-12-13 18:33:17,817 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 18:33:17,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,827 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,827 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:17,833 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-12-13 18:33:17,833 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-12-13 18:33:17,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,851 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 18:33:17,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,852 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-12-13 18:33:17,854 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 18:33:17,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,865 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,870 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-12-13 18:33:17,872 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 18:33:17,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,883 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,883 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-12-13 18:33:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,888 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-12-13 18:33:17,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:33:17,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,901 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,901 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-12-13 18:33:17,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,906 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-12-13 18:33:17,908 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 18:33:17,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,919 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,919 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 18:33:17,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-12-13 18:33:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,924 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-12-13 18:33:17,927 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 18:33:17,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,937 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:17,937 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 18:33:17,943 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2022-12-13 18:33:17,944 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-12-13 18:33:17,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:17,965 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 18:33:17,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,966 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-12-13 18:33:17,968 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 18:33:17,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:17,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:17,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:17,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:17,979 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:17,980 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 18:33:17,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:17,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:17,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-12-13 18:33:17,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:17,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:17,985 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:17,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-12-13 18:33:17,992 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 18:33:18,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:18,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,003 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:18,003 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 18:33:18,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-12-13 18:33:18,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,009 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-12-13 18:33:18,011 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 18:33:18,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:18,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,022 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:18,022 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 18:33:18,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-12-13 18:33:18,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,027 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-12-13 18:33:18,029 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 18:33:18,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:18,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,040 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:18,041 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 18:33:18,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-12-13 18:33:18,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,046 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-12-13 18:33:18,048 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 18:33:18,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:18,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,059 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:18,059 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 18:33:18,068 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2022-12-13 18:33:18,068 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2022-12-13 18:33:18,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-12-13 18:33:18,096 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 18:33:18,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,098 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-12-13 18:33:18,100 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 18:33:18,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:18,110 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:18,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:18,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:18,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-12-13 18:33:18,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,116 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-12-13 18:33:18,118 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 18:33:18,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:18,128 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:18,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,129 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:18,129 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:18,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-12-13 18:33:18,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,135 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-12-13 18:33:18,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 18:33:18,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:18,148 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:18,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,148 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:18,149 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:18,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-12-13 18:33:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,155 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-12-13 18:33:18,157 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 18:33:18,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:18,167 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:18,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:18,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:18,168 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:18,168 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 18:33:18,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:18,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:33:18,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-12-13 18:33:18,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,174 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-12-13 18:33:18,176 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 18:33:18,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 18:33:18,186 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 18:33:18,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:18,186 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 18:33:18,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 18:33:18,191 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-12-13 18:33:18,191 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-12-13 18:33:18,214 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:33:18,258 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-12-13 18:33:18,258 INFO L444 ModelExtractionUtils]: 2 out of 18 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-12-13 18:33:18,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,259 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-12-13 18:33:18,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:33:18,274 INFO L438 nArgumentSynthesizer]: Removed 5 redundant supporting invariants from a total of 6. [2022-12-13 18:33:18,274 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:33:18,274 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~x~0#1 f1 = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-12-13 18:33:18,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-12-13 18:33:18,281 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 18:33:18,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,303 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 18:33:18,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,310 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 18:33:18,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:18,428 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 18:33:18,429 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 18:33:18,429 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 29 transitions. Complement of second has 10 states. [2022-12-13 18:33:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states [2022-12-13 18:33:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2022-12-13 18:33:18,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 4 letters. Loop has 5 letters. [2022-12-13 18:33:18,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:18,534 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 18:33:18,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,561 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 18:33:18,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,571 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 18:33:18,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:18,672 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 18:33:18,673 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 18:33:18,673 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,775 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 36 transitions. Complement of second has 11 states. [2022-12-13 18:33:18,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-12-13 18:33:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2022-12-13 18:33:18,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 5 letters. [2022-12-13 18:33:18,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:18,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 9 letters. Loop has 5 letters. [2022-12-13 18:33:18,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:18,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 4 letters. Loop has 10 letters. [2022-12-13 18:33:18,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:18,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 36 transitions. [2022-12-13 18:33:18,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-12-13 18:33:18,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 25 states and 34 transitions. [2022-12-13 18:33:18,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-12-13 18:33:18,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-12-13 18:33:18,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2022-12-13 18:33:18,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:33:18,779 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2022-12-13 18:33:18,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2022-12-13 18:33:18,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-12-13 18:33:18,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-12-13 18:33:18,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-12-13 18:33:18,782 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-12-13 18:33:18,782 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 18:33:18,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-12-13 18:33:18,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-12-13 18:33:18,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:18,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:18,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 18:33:18,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1] [2022-12-13 18:33:18,783 INFO L748 eck$LassoCheckResult]: Stem: 454#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 455#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 457#L16-2 assume !!(0 != main_~x~0#1); 456#L16 assume main_~x~0#1 > 0; 460#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 447#L17-4 [2022-12-13 18:33:18,783 INFO L750 eck$LassoCheckResult]: Loop: 447#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 465#L16-2 assume !!(0 != main_~x~0#1); 464#L16 assume !(main_~x~0#1 > 0);main_#t~post2#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 462#L16-2 assume !!(0 != main_~x~0#1); 461#L16 assume main_~x~0#1 > 0; 446#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 447#L17-4 [2022-12-13 18:33:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,784 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 2 times [2022-12-13 18:33:18,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:18,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789849278] [2022-12-13 18:33:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:18,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:18,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:18,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1642865508, now seen corresponding path program 1 times [2022-12-13 18:33:18,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:18,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591741476] [2022-12-13 18:33:18,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:18,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:18,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:18,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591741476] [2022-12-13 18:33:18,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591741476] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:33:18,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377433025] [2022-12-13 18:33:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:18,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:33:18,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,821 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2022-12-13 18:33:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:33:18,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:18,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:33:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:18,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377433025] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:33:18,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:33:18,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-12-13 18:33:18,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164476923] [2022-12-13 18:33:18,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:33:18,876 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:33:18,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:33:18,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:33:18,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:33:18,877 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-12-13 18:33:18,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:33:18,894 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2022-12-13 18:33:18,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2022-12-13 18:33:18,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 18:33:18,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 21 states and 25 transitions. [2022-12-13 18:33:18,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-12-13 18:33:18,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-12-13 18:33:18,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2022-12-13 18:33:18,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:33:18,896 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-12-13 18:33:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2022-12-13 18:33:18,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2022-12-13 18:33:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-12-13 18:33:18,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-12-13 18:33:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:33:18,898 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-12-13 18:33:18,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 18:33:18,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-12-13 18:33:18,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 18:33:18,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:18,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:18,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:33:18,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 18:33:18,899 INFO L748 eck$LassoCheckResult]: Stem: 542#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 544#L16-2 assume !!(0 != main_~x~0#1); 545#L16 assume main_~x~0#1 > 0; 540#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 537#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 533#L16-2 [2022-12-13 18:33:18,899 INFO L750 eck$LassoCheckResult]: Loop: 533#L16-2 assume !!(0 != main_~x~0#1); 532#L16 assume !(main_~x~0#1 > 0);main_#t~post2#1 := main_~x~0#1;main_~x~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 533#L16-2 [2022-12-13 18:33:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash 889692431, now seen corresponding path program 2 times [2022-12-13 18:33:18,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:18,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016341112] [2022-12-13 18:33:18,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:18,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:18,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:18,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 2 times [2022-12-13 18:33:18,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:18,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139822867] [2022-12-13 18:33:18,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:18,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:18,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:18,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:18,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:18,908 INFO L85 PathProgramCache]: Analyzing trace with hash 295934656, now seen corresponding path program 1 times [2022-12-13 18:33:18,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:18,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849269593] [2022-12-13 18:33:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:18,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:18,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:18,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849269593] [2022-12-13 18:33:18,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849269593] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:18,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:18,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:33:18,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463280974] [2022-12-13 18:33:18,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:18,950 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:18,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:18,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:18,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:18,950 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:33:18,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,950 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:18,950 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:18,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration5_Loop [2022-12-13 18:33:18,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:18,950 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:18,951 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 18:33:18,956 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 18:33:18,977 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:18,977 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:33:18,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,979 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-12-13 18:33:18,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:33:18,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:18,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-12-13 18:33:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:18,995 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:18,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-12-13 18:33:18,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:33:18,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:33:19,016 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:33:19,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-12-13 18:33:19,018 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:19,019 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:19,019 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:19,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:19,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:33:19,019 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:19,019 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:19,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:19,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-03.c_Iteration5_Loop [2022-12-13 18:33:19,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:19,019 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:19,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:19,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:19,045 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:33:19,045 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:33:19,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:19,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:19,046 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:19,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-12-13 18:33:19,048 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 18:33:19,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:33:19,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:33:19,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:33:19,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:33:19,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:33:19,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:33:19,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:33:19,061 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:33:19,063 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 18:33:19,063 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 18:33:19,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:19,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:19,064 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:19,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-12-13 18:33:19,066 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:33:19,066 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 18:33:19,066 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:33:19,066 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 18:33:19,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-12-13 18:33:19,069 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 18:33:19,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:19,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:33:19,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:19,084 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:33:19,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:33:19,086 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 18:33:19,086 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 18:33:19,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:19,095 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 43 transitions. Complement of second has 5 states. [2022-12-13 18:33:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 18:33:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:19,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2022-12-13 18:33:19,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 18:33:19,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:19,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 2 letters. [2022-12-13 18:33:19,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:19,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 4 letters. [2022-12-13 18:33:19,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:33:19,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2022-12-13 18:33:19,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 18:33:19,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 23 states and 27 transitions. [2022-12-13 18:33:19,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 18:33:19,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 18:33:19,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2022-12-13 18:33:19,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:33:19,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-12-13 18:33:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2022-12-13 18:33:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 14. [2022-12-13 18:33:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 18:33:19,099 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 18:33:19,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:33:19,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:33:19,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:33:19,100 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:33:19,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:33:19,115 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-13 18:33:19,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2022-12-13 18:33:19,115 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 18:33:19,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-12-13 18:33:19,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 18:33:19,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 18:33:19,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 18:33:19,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:33:19,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:33:19,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:33:19,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:33:19,117 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:33:19,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 18:33:19,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:33:19,117 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 18:33:19,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 18:33:19,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:33:19 BoogieIcfgContainer [2022-12-13 18:33:19,122 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:33:19,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:33:19,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:33:19,122 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:33:19,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:33:15" (3/4) ... [2022-12-13 18:33:19,124 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:33:19,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:33:19,124 INFO L158 Benchmark]: Toolchain (without parser) took 4469.45ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 117.9MB in the beginning and 129.7MB in the end (delta: -11.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-12-13 18:33:19,125 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:33:19,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.15ms. Allocated memory is still 157.3MB. Free memory was 117.9MB in the beginning and 108.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:33:19,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.85ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 107.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:33:19,125 INFO L158 Benchmark]: Boogie Preprocessor took 14.21ms. Allocated memory is still 157.3MB. Free memory was 107.5MB in the beginning and 106.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:33:19,125 INFO L158 Benchmark]: RCFGBuilder took 173.20ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 97.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 18:33:19,126 INFO L158 Benchmark]: BuchiAutomizer took 4097.21ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 97.5MB in the beginning and 129.7MB in the end (delta: -32.2MB). Peak memory consumption was 563.6kB. Max. memory is 16.1GB. [2022-12-13 18:33:19,126 INFO L158 Benchmark]: Witness Printer took 2.12ms. Allocated memory is still 188.7MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:33:19,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.15ms. Allocated memory is still 157.3MB. Free memory was 117.9MB in the beginning and 108.8MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.85ms. Allocated memory is still 157.3MB. Free memory was 108.8MB in the beginning and 107.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.21ms. Allocated memory is still 157.3MB. Free memory was 107.5MB in the beginning and 106.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 173.20ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 97.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4097.21ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 97.5MB in the beginning and 129.7MB in the end (delta: -32.2MB). Peak memory consumption was 563.6kB. Max. memory is 16.1GB. * Witness Printer took 2.12ms. Allocated memory is still 188.7MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x and consists of 4 locations. One deterministic module has affine ranking function org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@2e8a1d37 and consists of 6 locations. One deterministic module has 2-phase ranking function (if x > 0 then 1 else 0), (if x > 0 then x else -1 * x) and consists of 6 locations. One deterministic module has affine ranking function -1 * x and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 38 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 56 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq148 hnf95 smp86 dnf110 smp100 tf109 neg97 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 10 MotzkinApplications: 40 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s 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 18:33:19,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-12-13 18:33:19,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2022-12-13 18:33:19,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47a9a219-717f-4ddb-a571-7c637baedc8f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE