./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G --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 32bit --witnessprinter.graph.data.programhash f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:34:32,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:34:32,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:34:32,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:34:32,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:34:32,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:34:32,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:34:32,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:34:32,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:34:32,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:34:32,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:34:32,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:34:32,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:34:32,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:34:32,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:34:32,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:34:32,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:34:32,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:34:32,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:34:32,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:34:32,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:34:32,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:34:32,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:34:32,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:34:32,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:34:32,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:34:32,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:34:32,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:34:32,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:34:32,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:34:32,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:34:32,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:34:32,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:34:32,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:34:32,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:34:32,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:34:32,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:34:32,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:34:32,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:34:32,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:34:32,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:34:32,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 12:34:32,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:34:32,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:34:32,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:34:32,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:34:32,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:34:32,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:34:32,816 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:34:32,816 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:34:32,817 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:34:32,817 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:34:32,817 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:34:32,817 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:34:32,817 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:34:32,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:34:32,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:34:32,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:34:32,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:34:32,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:34:32,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:34:32,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:34:32,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:34:32,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:34:32,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:34:32,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:34:32,820 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:34:32,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:34:32,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:34:32,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:34:32,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:34:32,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:34:32,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:34:32,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:34:32,823 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:34:32,824 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_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-11-23 12:34:33,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:34:33,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:34:33,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:34:33,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:34:33,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:34:33,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-23 12:34:33,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/data/049029e67/a0e24b6eccd04c28a53964370f769333/FLAG5ce111599 [2021-11-23 12:34:33,791 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:34:33,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-23 12:34:33,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/data/049029e67/a0e24b6eccd04c28a53964370f769333/FLAG5ce111599 [2021-11-23 12:34:34,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/data/049029e67/a0e24b6eccd04c28a53964370f769333 [2021-11-23 12:34:34,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:34:34,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:34:34,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:34:34,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:34:34,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:34:34,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28687759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34, skipping insertion in model container [2021-11-23 12:34:34,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:34:34,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:34:34,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:34:34,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:34:34,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:34:34,485 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:34:34,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34 WrapperNode [2021-11-23 12:34:34,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:34:34,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:34:34,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:34:34,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:34:34,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,523 INFO L137 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-23 12:34:34,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:34:34,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:34:34,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:34:34,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:34:34,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:34:34,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:34:34,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:34:34,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:34:34,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 12:34:34,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:34:34,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:34,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:34:34,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:34:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:34:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:34:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-23 12:34:34,707 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:34:34,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:34:34,886 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:34:34,893 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:34:34,893 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 12:34:34,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:34 BoogieIcfgContainer [2021-11-23 12:34:34,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:34:34,897 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:34:34,897 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:34:34,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:34:34,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:34:34,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:34:34" (1/3) ... [2021-11-23 12:34:34,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@750a6212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:34:34, skipping insertion in model container [2021-11-23 12:34:34,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:34:34,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (2/3) ... [2021-11-23 12:34:34,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@750a6212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:34:34, skipping insertion in model container [2021-11-23 12:34:34,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:34:34,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:34" (3/3) ... [2021-11-23 12:34:34,917 INFO L388 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-11-23 12:34:35,003 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:34:35,003 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:34:35,004 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:34:35,004 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:34:35,004 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:34:35,004 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:34:35,004 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:34:35,004 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:34:35,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2021-11-23 12:34:35,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-23 12:34:35,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:34:35,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:34:35,050 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 12:34:35,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-23 12:34:35,051 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:34:35,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2021-11-23 12:34:35,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-23 12:34:35,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:34:35,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:34:35,055 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 12:34:35,055 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-23 12:34:35,062 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 10#L55-2true [2021-11-23 12:34:35,063 INFO L793 eck$LassoCheckResult]: Loop: 10#L55-2true assume !false; 5#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 12#L47-2true assume !true; 8#L55-1true assume !true; 10#L55-2true [2021-11-23 12:34:35,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:35,077 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-23 12:34:35,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:35,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065165106] [2021-11-23 12:34:35,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:35,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:35,207 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:34:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:35,261 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:34:35,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2021-11-23 12:34:35,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:35,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147460714] [2021-11-23 12:34:35,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:35,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:35,285 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:35,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754188109] [2021-11-23 12:34:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:35,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:35,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:35,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:35,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 12:34:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:35,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 12:34:35,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:34:35,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:35,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:35,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147460714] [2021-11-23 12:34:35,395 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:35,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754188109] [2021-11-23 12:34:35,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754188109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:35,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:35,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:34:35,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509270530] [2021-11-23 12:34:35,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:35,402 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:34:35,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:35,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 12:34:35,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 12:34:35,444 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:34:35,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:35,450 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-23 12:34:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 12:34:35,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-23 12:34:35,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-23 12:34:35,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2021-11-23 12:34:35,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-23 12:34:35,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-23 12:34:35,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-23 12:34:35,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:34:35,468 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-23 12:34:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-23 12:34:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-23 12:34:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-11-23 12:34:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-23 12:34:35,497 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-23 12:34:35,497 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-23 12:34:35,497 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 12:34:35,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-23 12:34:35,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-23 12:34:35,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:34:35,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:34:35,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 12:34:35,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-23 12:34:35,500 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 46#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 51#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 50#L55-2 [2021-11-23 12:34:35,500 INFO L793 eck$LassoCheckResult]: Loop: 50#L55-2 assume !false; 47#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 48#L47-2 assume !false; 49#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 43#L55-1 assume !false; 44#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 50#L55-2 [2021-11-23 12:34:35,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-11-23 12:34:35,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:35,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9741289] [2021-11-23 12:34:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:35,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:35,527 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:34:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:35,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:34:35,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:35,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2021-11-23 12:34:35,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:35,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209636184] [2021-11-23 12:34:35,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:35,559 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:35,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732746693] [2021-11-23 12:34:35,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:35,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:35,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:35,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 12:34:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:34:35,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 12:34:35,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:34:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:34:35,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:34:35,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:34:35,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209636184] [2021-11-23 12:34:35,701 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:34:35,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732746693] [2021-11-23 12:34:35,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732746693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:34:35,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:34:35,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:34:35,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470783317] [2021-11-23 12:34:35,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:34:35,703 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-23 12:34:35,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:34:35,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 12:34:35,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 12:34:35,704 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) 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) [2021-11-23 12:34:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:34:36,144 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-23 12:34:36,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 12:34:36,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-23 12:34:36,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-23 12:34:36,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2021-11-23 12:34:36,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-23 12:34:36,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-23 12:34:36,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-11-23 12:34:36,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:34:36,148 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-23 12:34:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-11-23 12:34:36,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-23 12:34:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:34:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-23 12:34:36,150 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-23 12:34:36,150 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-23 12:34:36,150 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-23 12:34:36,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-11-23 12:34:36,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-23 12:34:36,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:34:36,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:34:36,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 12:34:36,152 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-23 12:34:36,152 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 [2021-11-23 12:34:36,153 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-23 12:34:36,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:36,153 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-11-23 12:34:36,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:36,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536451370] [2021-11-23 12:34:36,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:36,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:36,162 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:34:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:36,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:34:36,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:36,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 1 times [2021-11-23 12:34:36,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:36,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040679561] [2021-11-23 12:34:36,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:36,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:36,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:36,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731261673] [2021-11-23 12:34:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:36,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:36,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:36,203 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:36,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 12:34:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:36,316 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:34:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:37,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:34:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:34:37,487 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 1 times [2021-11-23 12:34:37,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:34:37,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498493824] [2021-11-23 12:34:37,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:37,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:34:37,493 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:34:37,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837311928] [2021-11-23 12:34:37,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:34:37,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:34:37,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:34:37,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:34:37,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 12:34:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:37,542 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:34:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:34:37,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:34:45,527 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:34:45,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:34:45,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:34:45,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:34:45,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:34:45,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:34:45,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:34:45,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:34:45,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-23 12:34:45,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:34:45,529 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:34:45,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:35:26,074 WARN L227 SmtUtils]: Spent 39.08s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:35:27,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:35:27,577 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:35:27,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:27,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:27,583 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:27,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:35:27,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:35:27,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:35:27,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-23 12:35:27,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:27,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:27,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:27,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:35:27,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:35:27,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:35:27,680 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:35:27,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:27,713 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:35:27,713 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:35:27,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:35:27,713 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:35:27,713 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:35:27,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:27,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:35:27,714 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:35:27,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-23 12:35:27,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:35:27,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:35:27,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:35:40,735 WARN L227 SmtUtils]: Spent 10.44s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:35:43,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:35:43,951 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:35:43,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:43,953 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:43,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:35:43,964 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 [2021-11-23 12:35:43,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:35:43,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:43,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:43,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:43,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:35:43,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:35:43,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:43,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,016 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:35:44,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,017 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:35:44,019 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 [2021-11-23 12:35:44,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:35:44,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,028 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:35:44,033 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:35:44,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,057 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:35:44,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,058 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:35:44,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:35:44,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:35:44,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,069 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:35:44,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:35:44,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,107 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:35:44,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,108 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:35:44,110 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 [2021-11-23 12:35:44,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:35:44,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,120 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:35:44,127 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:35:44,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,195 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:35:44,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,204 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 [2021-11-23 12:35:44,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:35:44,214 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:35:44,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,215 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:35:44,222 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:35:44,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:35:44,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,265 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:35:44,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,270 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,280 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 [2021-11-23 12:35:44,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:35:44,292 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:35:44,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,292 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:35:44,302 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:35:44,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:35:44,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,362 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:35:44,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,363 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,369 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 [2021-11-23 12:35:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 12:35:44,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:35:44,379 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:35:44,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,380 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:35:44,394 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:35:44,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-23 12:35:44,454 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:35:44,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,455 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,470 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 [2021-11-23 12:35:44,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:35:44,481 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:35:44,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,481 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:35:44,487 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:35:44,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 12:35:44,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,544 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:35:44,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:35:44,545 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:35:44,558 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 [2021-11-23 12:35:44,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:35:44,569 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:35:44,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:35:44,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:35:44,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:35:44,570 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:35:44,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:35:44,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:35:44,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:35:44,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:35:44,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:35:44,705 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:35:44,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:35:44,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:35:44,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:35:44,705 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:35:44,705 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:35:44,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:35:44,706 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:35:44,706 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-23 12:35:44,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:35:44,706 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:35:44,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:35:46,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:35:46,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:35:46,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:35:56,191 WARN L227 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:36:00,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:36:00,352 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:36:00,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:00,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:00,370 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:00,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:36:00,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:36:00,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:36:00,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:00,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:00,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:00,438 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:00,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:36:00,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:36:00,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:36:00,482 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:36:00,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:00,519 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:36:00,519 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:36:00,519 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:36:00,519 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:36:00,519 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:36:00,519 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:00,519 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:36:00,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:36:00,520 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-23 12:36:00,520 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:36:00,520 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:36:00,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:36:00,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:36:00,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:36:00,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:36:11,850 WARN L227 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:36:15,014 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:36:15,015 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:36:15,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,017 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 12:36:15,023 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 [2021-11-23 12:36:15,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:36:15,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:36:15,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,057 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 12:36:15,059 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 [2021-11-23 12:36:15,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:36:15,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:36:15,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,092 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 12:36:15,093 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 [2021-11-23 12:36:15,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:36:15,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:36:15,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-11-23 12:36:15,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,129 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 12:36:15,130 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 [2021-11-23 12:36:15,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:36:15,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:36:15,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:36:15,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,214 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:36:15,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,215 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 12:36:15,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:36:15,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,227 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,227 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:36:15,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,249 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 12:36:15,253 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 [2021-11-23 12:36:15,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,261 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:36:15,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,283 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 12:36:15,285 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 [2021-11-23 12:36:15,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,293 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,293 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:36:15,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,319 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 12:36:15,320 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 [2021-11-23 12:36:15,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,328 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,345 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:36:15,345 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:36:15,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,403 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:36:15,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,404 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,412 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 [2021-11-23 12:36:15,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,421 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:15,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:15,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 12:36:15,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,458 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 12:36:15,460 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 [2021-11-23 12:36:15,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,468 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:15,469 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:15,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,519 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 12:36:15,524 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 [2021-11-23 12:36:15,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,534 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:15,534 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:15,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,571 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 12:36:15,576 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 [2021-11-23 12:36:15,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,584 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:15,599 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:36:15,599 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:36:15,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,655 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:36:15,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,656 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 12:36:15,659 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 [2021-11-23 12:36:15,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,666 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:15,667 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:36:15,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,697 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 12:36:15,704 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 [2021-11-23 12:36:15,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,712 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:15,713 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:36:15,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,737 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 12:36:15,739 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 [2021-11-23 12:36:15,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,747 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:15,747 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:36:15,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,777 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 12:36:15,782 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 [2021-11-23 12:36:15,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:36:15,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,791 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:15,809 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:36:15,809 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:36:15,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-23 12:36:15,849 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:36:15,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,852 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 12:36:15,856 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 [2021-11-23 12:36:15,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:15,863 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:15,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,864 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,864 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:36:15,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,889 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,891 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 [2021-11-23 12:36:15,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 12:36:15,899 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:15,899 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:15,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,899 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,900 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:36:15,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:15,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,943 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 12:36:15,944 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 [2021-11-23 12:36:15,952 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:15,952 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:15,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:15,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,952 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:15,953 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:36:15,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:15,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:15,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-23 12:36:15,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:15,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:15,978 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:15,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 12:36:15,981 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 [2021-11-23 12:36:15,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:15,988 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:15,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:15,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:15,989 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:36:16,008 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:36:16,008 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:36:16,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,066 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:36:16,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,070 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 12:36:16,072 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 [2021-11-23 12:36:16,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,079 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:36:16,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,081 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:16,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,110 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 12:36:16,112 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 [2021-11-23 12:36:16,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,119 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:36:16,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,121 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:16,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-23 12:36:16,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,182 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 12:36:16,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:36:16,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,218 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:36:16,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:16,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,255 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 12:36:16,256 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 [2021-11-23 12:36:16,264 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,264 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:36:16,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,264 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,280 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:36:16,281 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:36:16,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,328 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:36:16,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,329 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 12:36:16,330 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 [2021-11-23 12:36:16,337 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,337 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,338 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:16,339 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:36:16,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,362 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-23 12:36:16,364 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 [2021-11-23 12:36:16,371 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,371 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,372 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:16,373 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:36:16,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,397 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-23 12:36:16,403 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 [2021-11-23 12:36:16,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,411 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,411 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:16,412 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:36:16,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-23 12:36:16,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,442 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-23 12:36:16,443 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 [2021-11-23 12:36:16,452 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,452 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,452 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:36:16,473 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:36:16,473 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:36:16,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,550 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:36:16,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,551 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,559 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 [2021-11-23 12:36:16,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,568 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:16,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,569 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:16,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 12:36:16,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,618 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,620 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 [2021-11-23 12:36:16,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,629 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:16,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,630 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,631 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:16,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 12:36:16,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,684 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,685 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 [2021-11-23 12:36:16,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,695 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:16,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,695 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,696 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:36:16,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 12:36:16,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,739 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,741 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 [2021-11-23 12:36:16,751 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,751 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:36:16,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,751 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:36:16,765 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:36:16,766 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:36:16,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 12:36:16,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,826 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:36:16,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,828 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,831 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 [2021-11-23 12:36:16,840 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,840 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,840 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:36:16,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:36:16,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 12:36:16,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,887 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,889 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 [2021-11-23 12:36:16,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,899 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:36:16,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:36:16,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 12:36:16,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,955 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:16,962 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 [2021-11-23 12:36:16,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 12:36:16,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:16,970 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:16,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:36:16,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:16,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:16,971 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:36:16,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:36:16,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:36:16,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:16,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:16,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:16,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:16,998 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:17,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 12:36:17,003 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 [2021-11-23 12:36:17,013 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:36:17,013 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:36:17,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:36:17,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:36:17,014 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:36:17,035 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:36:17,035 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:36:17,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:36:17,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:17,116 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-23 12:36:17,116 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-23 12:36:17,116 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-23 12:36:17,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:17,116 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 2 times [2021-11-23 12:36:17,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:36:17,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22965598] [2021-11-23 12:36:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:17,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:36:17,122 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:36:17,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666754352] [2021-11-23 12:36:17,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:36:17,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:36:17,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:17,123 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:36:17,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-23 12:36:17,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:36:17,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:36:17,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:36:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:36:17,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:36:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 2 times [2021-11-23 12:36:17,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:36:17,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124457443] [2021-11-23 12:36:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:17,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:36:17,260 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:36:17,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300532622] [2021-11-23 12:36:17,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:36:17,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:36:17,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:17,266 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:36:17,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-23 12:36:18,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:36:18,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:36:18,124 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:36:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:36:19,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:36:19,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:36:19,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1338088892, now seen corresponding path program 3 times [2021-11-23 12:36:19,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:36:19,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696885257] [2021-11-23 12:36:19,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:36:19,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:36:19,399 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:36:19,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90052895] [2021-11-23 12:36:19,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 12:36:19,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:36:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:19,409 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:36:19,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-23 12:36:19,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 12:36:19,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 12:36:19,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:36:19,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:36:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 12:36:20,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 12:36:20,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:36:20,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696885257] [2021-11-23 12:36:20,031 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 12:36:20,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90052895] [2021-11-23 12:36:20,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90052895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:36:20,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:36:20,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:36:20,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64856552] [2021-11-23 12:36:20,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:36:29,129 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:36:29,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:36:29,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:36:29,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:36:29,129 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:36:29,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:29,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:36:29,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:36:29,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-23 12:36:29,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:36:29,129 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:36:29,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:36:44,390 WARN L227 SmtUtils]: Spent 13.59s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:36:46,515 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:36:46,515 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:36:46,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:46,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:46,522 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:46,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 12:36:46,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:36:46,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:36:46,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 12:36:46,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:46,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:36:46,562 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:36:46,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 12:36:46,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:36:46,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:36:46,577 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:36:46,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-23 12:36:46,597 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:36:46,597 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:36:46,597 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:36:46,597 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:36:46,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:36:46,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:36:46,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:36:46,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:36:46,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-23 12:36:46,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:36:46,598 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:36:46,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:36:57,199 WARN L227 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:37:00,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:37:00,291 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:37:00,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,292 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 12:37:00,293 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 [2021-11-23 12:37:00,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:37:00,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:37:00,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:37:00,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-23 12:37:00,325 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:37:00,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,326 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 12:37:00,328 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 [2021-11-23 12:37:00,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:37:00,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,336 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:37:00,338 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:37:00,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-23 12:37:00,362 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:37:00,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,363 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 12:37:00,364 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 [2021-11-23 12:37:00,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:37:00,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,373 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:37:00,376 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:37:00,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:00,400 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:37:00,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,401 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 12:37:00,403 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 [2021-11-23 12:37:00,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:37:00,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,412 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:37:00,416 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:37:00,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:00,456 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:37:00,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,458 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 12:37:00,465 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 [2021-11-23 12:37:00,473 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:37:00,473 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:37:00,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,474 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:37:00,477 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:37:00,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:00,531 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:37:00,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,533 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 12:37:00,534 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 [2021-11-23 12:37:00,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:37:00,542 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:37:00,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:37:00,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:37:00,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-23 12:37:00,577 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:37:00,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,586 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,587 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 [2021-11-23 12:37:00,598 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:37:00,598 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:37:00,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,598 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:37:00,605 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:37:00,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 12:37:00,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:00,676 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:37:00,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,678 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,680 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 [2021-11-23 12:37:00,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 12:37:00,689 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:37:00,689 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:37:00,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:37:00,694 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:37:00,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-23 12:37:00,723 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:37:00,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:00,724 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:37:00,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 12:37:00,726 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 [2021-11-23 12:37:00,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:37:00,734 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:37:00,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:37:00,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:37:00,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:37:00,734 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:37:00,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:37:00,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:37:00,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:37:00,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-23 12:37:00,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:37:00,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:37:00,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:37:00,784 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-23 12:37:02,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 12:37:02,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:37:02,566 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-23 12:37:02,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:37:02,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-11-23 12:37:02,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-23 12:37:02,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 20 transitions. [2021-11-23 12:37:02,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-23 12:37:02,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-23 12:37:02,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-11-23 12:37:02,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:37:02,571 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-23 12:37:02,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-11-23 12:37:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-23 12:37:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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) [2021-11-23 12:37:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-23 12:37:02,574 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-23 12:37:02,574 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-23 12:37:02,574 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-23 12:37:02,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-11-23 12:37:02,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-23 12:37:02,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:37:02,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:37:02,575 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:37:02,575 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:37:02,576 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-23 12:37:02,576 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-23 12:37:02,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:02,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1807031086, now seen corresponding path program 1 times [2021-11-23 12:37:02,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:02,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793246951] [2021-11-23 12:37:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:02,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:02,582 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:37:02,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243318082] [2021-11-23 12:37:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:02,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:37:02,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:02,583 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:37:02,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-11-23 12:37:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:02,607 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:02,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:02,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:02,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-11-23 12:37:02,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:02,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423961060] [2021-11-23 12:37:02,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:02,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:02,621 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:37:02,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264973953] [2021-11-23 12:37:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:02,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:37:02,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:02,622 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:37:02,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-11-23 12:37:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:02,639 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:02,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:02,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:37:02,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 2 times [2021-11-23 12:37:02,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:37:02,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20389356] [2021-11-23 12:37:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:37:02,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:37:02,648 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:37:02,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063691301] [2021-11-23 12:37:02,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:37:02,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:37:02,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:37:02,661 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:37:02,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-23 12:37:03,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 12:37:03,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:37:03,190 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:37:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:37:03,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:37:17,804 WARN L227 SmtUtils]: Spent 14.46s on a formula simplification. DAG size of input: 44 DAG size of output: 38 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:37:23,011 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:37:23,011 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:37:23,011 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:37:23,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:37:23,011 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:37:23,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:37:23,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:37:23,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:37:23,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-23 12:37:23,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:37:23,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:37:23,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:23,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:23,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:37:23,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:39:31,294 WARN L227 SmtUtils]: Spent 2.12m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:40:46,460 WARN L227 SmtUtils]: Spent 1.24m on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:40:47,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:40:47,042 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 12:40:47,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:40:47,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:40:47,044 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:40:47,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 12:40:47,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:40:47,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:40:47,055 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:40:47,055 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1#1=0} Honda state: {ULTIMATE.start_main_#t~ret1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:40:47,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-23 12:40:47,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:40:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:40:47,075 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:40:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 12:40:47,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:40:47,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:40:47,085 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:40:47,086 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: [] [2021-11-23 12:40:47,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-23 12:40:47,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:40:47,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:40:47,106 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:40:47,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 12:40:47,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:40:47,107 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:40:47,115 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 12:40:47,115 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 12:40:47,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-23 12:40:47,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:40:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:40:47,135 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:40:47,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 12:40:47,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 12:40:47,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:40:47,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-23 12:40:47,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:40:47,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:40:47,167 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:40:47,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 12:40:47,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 12:40:47,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 12:40:47,185 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 12:40:47,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-23 12:40:47,205 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:40:47,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:40:47,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:40:47,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:40:47,205 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:40:47,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:40:47,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:40:47,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:40:47,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-23 12:40:47,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:40:47,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:40:47,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:01,912 WARN L227 SmtUtils]: Spent 14.70s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-23 12:41:01,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:01,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:41:01,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:43:20,975 WARN L227 SmtUtils]: Spent 2.32m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:43:45,440 WARN L227 SmtUtils]: Spent 23.58s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-23 12:43:45,684 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:43:45,684 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:43:45,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,685 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 12:43:45,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:43:45,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:43:45,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:43:45,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:43:45,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-23 12:43:45,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,740 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 12:43:45,741 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 [2021-11-23 12:43:45,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:45,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:43:45,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:43:45,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:45,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:45,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,796 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 12:43:45,798 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 [2021-11-23 12:43:45,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:45,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:43:45,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:43:45,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:45,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-23 12:43:45,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,831 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-23 12:43:45,832 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 [2021-11-23 12:43:45,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:45,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:43:45,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:43:45,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:45,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-23 12:43:45,862 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 12:43:45,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,863 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-23 12:43:45,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:43:45,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,872 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:45,880 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:43:45,881 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:43:45,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-23 12:43:45,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,918 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-23 12:43:45,919 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 [2021-11-23 12:43:45,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:45,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,927 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:45,927 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:43:45,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:45,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:45,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,949 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-23 12:43:45,951 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 [2021-11-23 12:43:45,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:45,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,959 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:45,959 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:43:45,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:45,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:45,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-23 12:43:45,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:45,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:45,981 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:45,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-23 12:43:45,982 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 [2021-11-23 12:43:45,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:45,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:45,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:45,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:45,990 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:45,991 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:43:45,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:45,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-23 12:43:46,012 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 12:43:46,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,013 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-23 12:43:46,014 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 [2021-11-23 12:43:46,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,022 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,033 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:43:46,034 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:43:46,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-23 12:43:46,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,077 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-23 12:43:46,080 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 [2021-11-23 12:43:46,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,088 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:46,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-23 12:43:46,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,110 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-23 12:43:46,111 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 [2021-11-23 12:43:46,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,119 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,119 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:46,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,141 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-23 12:43:46,143 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 [2021-11-23 12:43:46,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,150 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,151 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:46,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,217 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 12:43:46,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,219 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,220 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 [2021-11-23 12:43:46,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,231 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:46,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-23 12:43:46,248 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:43:46,248 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:43:46,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,323 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,330 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 [2021-11-23 12:43:46,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:46,341 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:43:46,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-23 12:43:46,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,392 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,399 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 [2021-11-23 12:43:46,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,408 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:46,409 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:43:46,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-23 12:43:46,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,445 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-23 12:43:46,446 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 [2021-11-23 12:43:46,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:43:46,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,454 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:46,454 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:43:46,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,476 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 12:43:46,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,477 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-23 12:43:46,478 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 [2021-11-23 12:43:46,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,486 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:46,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,486 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:46,501 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 12:43:46,501 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 12:43:46,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,542 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-23 12:43:46,543 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 [2021-11-23 12:43:46,550 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,550 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:46,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,550 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:46,551 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:43:46,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,574 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-23 12:43:46,575 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 [2021-11-23 12:43:46,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,582 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:46,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,582 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:46,583 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:43:46,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-23 12:43:46,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,613 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-23 12:43:46,614 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 [2021-11-23 12:43:46,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:46,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,621 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 12:43:46,622 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 12:43:46,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,687 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 12:43:46,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,688 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-23 12:43:46,690 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 [2021-11-23 12:43:46,698 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,698 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:43:46,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,698 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,709 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:43:46,709 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:43:46,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-23 12:43:46,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,763 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-23 12:43:46,764 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 [2021-11-23 12:43:46,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,771 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:43:46,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,772 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,772 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:46,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,795 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-23 12:43:46,797 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 [2021-11-23 12:43:46,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,804 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:43:46,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,804 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,805 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:46,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,831 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-23 12:43:46,832 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 [2021-11-23 12:43:46,839 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,839 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 12:43:46,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:46,840 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:46,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:46,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,862 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 12:43:46,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,863 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-23 12:43:46,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:43:46,872 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,872 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:46,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,873 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:46,888 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 12:43:46,888 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 12:43:46,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:46,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:46,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:46,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:46,982 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:46,984 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 [2021-11-23 12:43:46,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:46,994 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:46,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:46,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:46,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:46,994 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:46,995 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:43:46,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-23 12:43:47,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-23 12:43:47,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,036 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-23 12:43:47,037 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 [2021-11-23 12:43:47,045 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,045 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:47,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,045 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:47,050 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:43:47,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:47,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,100 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-23 12:43:47,101 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 [2021-11-23 12:43:47,108 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,109 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:47,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,109 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 12:43:47,110 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 12:43:47,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:47,134 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 12:43:47,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,135 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-23 12:43:47,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:43:47,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,143 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:47,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,144 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:47,157 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 12:43:47,157 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 12:43:47,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-23 12:43:47,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,210 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-23 12:43:47,211 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 [2021-11-23 12:43:47,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,219 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:47,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,219 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:47,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:47,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:47,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,241 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-23 12:43:47,242 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 [2021-11-23 12:43:47,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,250 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:47,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,250 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:47,250 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:47,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:47,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,273 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-23 12:43:47,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:43:47,282 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,282 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 12:43:47,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 12:43:47,283 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 12:43:47,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-23 12:43:47,304 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 12:43:47,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,305 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-23 12:43:47,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 12:43:47,314 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,314 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:47,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,315 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:43:47,335 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 12:43:47,335 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 12:43:47,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-23 12:43:47,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,401 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-23 12:43:47,402 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 [2021-11-23 12:43:47,409 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,409 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:47,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,409 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:43:47,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:43:47,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-23 12:43:47,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,434 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-23 12:43:47,435 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 [2021-11-23 12:43:47,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,443 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:47,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,444 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:43:47,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:43:47,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-23 12:43:47,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:43:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,469 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-23 12:43:47,472 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 [2021-11-23 12:43:47,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 12:43:47,480 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 12:43:47,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:43:47,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:43:47,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:43:47,480 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 12:43:47,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:43:47,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:43:47,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:43:47,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-11-23 12:43:47,504 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-23 12:43:47,505 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-23 12:43:47,505 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-23 12:43:47,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:47,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 3 times [2021-11-23 12:43:47,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:47,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492755502] [2021-11-23 12:43:47,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:47,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:47,510 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:43:47,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899953439] [2021-11-23 12:43:47,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 12:43:47,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:43:47,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:47,512 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:43:47,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2021-11-23 12:43:48,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 12:43:48,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:43:48,044 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:43:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:43:48,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:43:48,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:48,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2021-11-23 12:43:48,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:48,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134762242] [2021-11-23 12:43:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:48,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:48,098 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:43:48,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561695061] [2021-11-23 12:43:48,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 12:43:48,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:43:48,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:48,102 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:43:48,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2021-11-23 12:43:48,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-23 12:43:48,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:43:48,119 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:43:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:43:48,123 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:43:48,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:48,125 INFO L85 PathProgramCache]: Analyzing trace with hash 138804856, now seen corresponding path program 4 times [2021-11-23 12:43:48,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:48,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290003206] [2021-11-23 12:43:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:48,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:48,130 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 12:43:48,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746997095] [2021-11-23 12:43:48,130 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 12:43:48,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 12:43:48,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:43:48,139 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 12:43:48,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610e35ae-ea62-4fff-97c0-27e7fc6228e8/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-11-23 12:43:48,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 12:43:48,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 12:43:48,571 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:43:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:43:53,084 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:43:59,826 WARN L227 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 56 DAG size of output: 50 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:44:11,507 WARN L227 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 12:44:11,508 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:44:11,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:44:11,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:44:11,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:44:11,509 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 12:44:11,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:44:11,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:44:11,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:44:11,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-23 12:44:11,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:44:11,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:44:11,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:11,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:11,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:44:13,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:48:18,698 WARN L227 SmtUtils]: Spent 4.08m on a formula simplification. DAG size of input: 82 DAG size of output: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process)