./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-nt.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_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/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_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/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_e2b072c7-9696-4e46-9b35-1bddfba2fa39/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 2d13d882044123fbb613949ca1decff2dd9613cf75fc90bc80d422711d51a35d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:37:41,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:37:41,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:37:41,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:37:41,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:37:41,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:37:41,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:37:41,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:37:41,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:37:41,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:37:41,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:37:41,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:37:41,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:37:41,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:37:41,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:37:41,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:37:41,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:37:41,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:37:41,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:37:41,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:37:41,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:37:41,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:37:41,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:37:41,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:37:41,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:37:41,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:37:41,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:37:41,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:37:41,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:37:41,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:37:41,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:37:41,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:37:41,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:37:41,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:37:41,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:37:41,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:37:41,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:37:41,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:37:41,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:37:41,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:37:41,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:37:41,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:37:41,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:37:41,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:37:41,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:37:41,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:37:41,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:37:41,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:37:41,787 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:37:41,787 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:37:41,787 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:37:41,788 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:37:41,789 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:37:41,789 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:37:41,789 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:37:41,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:37:41,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:37:41,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:37:41,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:37:41,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:37:41,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:37:41,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:37:41,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:37:41,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:37:41,791 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:37:41,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:37:41,792 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:37:41,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:37:41,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:37:41,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:37:41,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:37:41,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:37:41,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:37:41,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:37:41,794 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:37:41,794 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_e2b072c7-9696-4e46-9b35-1bddfba2fa39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d13d882044123fbb613949ca1decff2dd9613cf75fc90bc80d422711d51a35d [2021-11-23 13:37:42,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:37:42,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:37:42,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:37:42,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:37:42,110 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:37:42,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c [2021-11-23 13:37:42,186 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/data/aafe76cf9/d934dd2b2b7d404a83a9333dc4128a1d/FLAGc1f77d0b4 [2021-11-23 13:37:42,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:37:42,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/sv-benchmarks/c/termination-nla/prod4br-both-nt.c [2021-11-23 13:37:42,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/data/aafe76cf9/d934dd2b2b7d404a83a9333dc4128a1d/FLAGc1f77d0b4 [2021-11-23 13:37:42,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/data/aafe76cf9/d934dd2b2b7d404a83a9333dc4128a1d [2021-11-23 13:37:43,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:37:43,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:37:43,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:37:43,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:37:43,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:37:43,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5909e69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43, skipping insertion in model container [2021-11-23 13:37:43,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:37:43,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:37:43,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:37:43,206 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:37:43,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:37:43,274 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:37:43,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43 WrapperNode [2021-11-23 13:37:43,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:37:43,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:37:43,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:37:43,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:37:43,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,320 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-11-23 13:37:43,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:37:43,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:37:43,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:37:43,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:37:43,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:37:43,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:37:43,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:37:43,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:37:43,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (1/1) ... [2021-11-23 13:37:43,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:43,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:43,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:43,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:37:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:37:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:37:43,509 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:37:43,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:37:43,614 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:37:43,621 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:37:43,621 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:37:43,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:43 BoogieIcfgContainer [2021-11-23 13:37:43,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:37:43,623 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:37:43,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:37:43,627 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:37:43,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:37:43,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:37:43" (1/3) ... [2021-11-23 13:37:43,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a1efb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:37:43, skipping insertion in model container [2021-11-23 13:37:43,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:37:43,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:43" (2/3) ... [2021-11-23 13:37:43,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a1efb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:37:43, skipping insertion in model container [2021-11-23 13:37:43,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:37:43,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:43" (3/3) ... [2021-11-23 13:37:43,631 INFO L388 chiAutomizerObserver]: Analyzing ICFG prod4br-both-nt.c [2021-11-23 13:37:43,680 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:37:43,680 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:37:43,680 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:37:43,680 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:37:43,680 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:37:43,680 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:37:43,681 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:37:43,681 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:37:43,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 13:37:43,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-23 13:37:43,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:37:43,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:37:43,720 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:37:43,720 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 13:37:43,721 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:37:43,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 13:37:43,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-23 13:37:43,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:37:43,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:37:43,723 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:37:43,723 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-23 13:37:43,729 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 8#L49-2true [2021-11-23 13:37:43,729 INFO L793 eck$LassoCheckResult]: Loop: 8#L49-2true assume !false; 14#L39true assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-23 13:37:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:43,735 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-23 13:37:43,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:43,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050763079] [2021-11-23 13:37:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:43,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:43,817 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:43,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:43,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:43,868 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2021-11-23 13:37:43,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:43,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402719426] [2021-11-23 13:37:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:43,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:43,881 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:43,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247671184] [2021-11-23 13:37:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:43,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:43,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:43,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:43,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 13:37:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:43,963 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:43,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:43,975 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2021-11-23 13:37:43,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:43,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627386019] [2021-11-23 13:37:43,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:43,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:43,981 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:43,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [856062013] [2021-11-23 13:37:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:43,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:43,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:44,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:44,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 13:37:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:44,074 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:44,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:44,405 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:37:44,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:37:44,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:37:44,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:37:44,407 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:37:44,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:44,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:37:44,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:37:44,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-23 13:37:44,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:37:44,408 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:37:44,427 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 13:37:44,433 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 13:37:44,436 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 13:37:44,470 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 13:37:44,729 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:37:44,730 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:37:44,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:44,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:44,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:44,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:44,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:37:44,798 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:37:44,798 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 13:37:44,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:44,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:44,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:44,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:44,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:37:44,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:44,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:44,834 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:37:44,834 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:37:44,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:44,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:44,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:44,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:44,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:37:44,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:44,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:44,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:44,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:44,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:44,958 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:44,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:37:44,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:37:44,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:45,009 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:37:45,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,042 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:37:45,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:37:45,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:37:45,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:37:45,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:37:45,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:37:45,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:37:45,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-23 13:37:45,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:37:45,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:37:45,046 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 13:37:45,051 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 13:37:45,078 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 13:37:45,081 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 13:37:45,265 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:37:45,269 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:37:45,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,273 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,279 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 13:37:45,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:45,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:37:45,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 13:37:45,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-23 13:37:45,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,350 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 13:37:45,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:45,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 13:37:45,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:45,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:37:45,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,451 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 13:37:45,461 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 13:37:45,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:45,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:37:45,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,539 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,545 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 13:37:45,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:45,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:37:45,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 13:37:45,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,602 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 13:37:45,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,603 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 13:37:45,609 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 13:37:45,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,625 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:45,628 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:45,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,665 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 13:37:45,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:45,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,679 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:45,704 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:37:45,704 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:37:45,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,769 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 13:37:45,775 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 13:37:45,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,783 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:45,784 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:45,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,838 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 13:37:45,840 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 13:37:45,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,850 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:45,850 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:45,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,885 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 13:37:45,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,886 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 13:37:45,889 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 13:37:45,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:45,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,896 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:45,897 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:45,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:45,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:45,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:45,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:45,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:45,946 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:45,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:45,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:45,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:45,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:45,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:45,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 13:37:45,991 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:37:45,991 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:37:46,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,065 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,071 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 13:37:46,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:46,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,081 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:46,082 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:46,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 13:37:46,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,134 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 13:37:46,140 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 13:37:46,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:46,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,150 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:46,152 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:46,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,191 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 13:37:46,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,192 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,198 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 13:37:46,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 13:37:46,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:46,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,205 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:46,206 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:46,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,228 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 13:37:46,229 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 13:37:46,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:46,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,239 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:46,269 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:37:46,269 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:37:46,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,349 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,354 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 13:37:46,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 13:37:46,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:46,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,362 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:46,363 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:46,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-23 13:37:46,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,384 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 13:37:46,386 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 13:37:46,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:46,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,394 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:46,396 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:46,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,445 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 13:37:46,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,461 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,463 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 13:37:46,472 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:46,472 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:46,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,473 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:46,475 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:46,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-23 13:37:46,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-23 13:37:46,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,499 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-23 13:37:46,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:46,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:46,508 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:46,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,508 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:46,554 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:37:46,554 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:37:46,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-23 13:37:46,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,740 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-23 13:37:46,741 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 13:37:46,748 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:46,749 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:46,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,749 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:46,750 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:46,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,816 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,818 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 13:37:46,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-23 13:37:46,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:46,825 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:46,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:46,826 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:46,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,851 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 13:37:46,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,852 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-23 13:37:46,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:46,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:46,862 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:46,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:46,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,862 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:46,863 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:46,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:46,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:46,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:46,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:46,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:46,925 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:46,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-23 13:37:46,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:46,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:46,937 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:46,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:46,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:46,937 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:46,982 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:37:46,982 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:37:47,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:47,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-23 13:37:47,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:47,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:47,177 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:47,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-23 13:37:47,178 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 13:37:47,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:47,186 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:47,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:47,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:47,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:47,187 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:47,188 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:47,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:47,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:47,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:47,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:47,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:47,247 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:47,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-23 13:37:47,248 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 13:37:47,255 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:47,256 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:47,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:47,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:47,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:47,256 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:47,257 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:47,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:47,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:47,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:47,280 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 13:37:47,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:47,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:47,281 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:47,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-23 13:37:47,282 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 13:37:47,289 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:47,289 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:47,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:47,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:47,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:47,290 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:47,292 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:47,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:47,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:47,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:47,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:47,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:47,326 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:47,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-23 13:37:47,331 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 13:37:47,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:47,339 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:47,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:47,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:47,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:47,374 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:37:47,374 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:37:48,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-23 13:37:48,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,124 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-23 13:37:48,125 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 13:37:48,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,133 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:48,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:48,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,133 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:48,136 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:48,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:48,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-23 13:37:48,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,179 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-23 13:37:48,182 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 13:37:48,190 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,190 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:48,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:48,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,191 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:48,192 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:48,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:48,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-23 13:37:48,226 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 13:37:48,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,227 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-23 13:37:48,230 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 13:37:48,241 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,241 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:48,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:48,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,241 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:48,242 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:48,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:48,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:48,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,293 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,302 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 13:37:48,312 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,312 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:48,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,312 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:48,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-23 13:37:48,327 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:37:48,327 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:37:48,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:48,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,419 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,422 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 13:37:48,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,432 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:48,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:48,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:48,433 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:48,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:48,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-23 13:37:48,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:48,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,489 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,492 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 13:37:48,501 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,502 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:48,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:48,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,502 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:48,503 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:48,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:48,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-23 13:37:48,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:48,551 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 13:37:48,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,552 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,559 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 13:37:48,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,568 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:48,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:48,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,569 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:48,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-23 13:37:48,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:48,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:48,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:48,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:48,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:48,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:48,621 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:48,624 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 13:37:48,634 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:48,635 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:48,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-23 13:37:48,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:48,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:48,635 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:48,666 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 13:37:48,666 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 13:37:49,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:49,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-23 13:37:49,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:49,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:49,402 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:49,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-23 13:37:49,403 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 13:37:49,410 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:49,410 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:49,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:49,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:49,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:49,411 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:49,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:49,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:49,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:49,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:49,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:49,457 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:49,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-23 13:37:49,459 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 13:37:49,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:49,466 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:49,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:49,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:49,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:49,466 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:49,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:49,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:49,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:49,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-23 13:37:49,489 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-23 13:37:49,489 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 8#L49-2true assume !false; 14#L39true assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-23 13:37:49,489 INFO L793 eck$LassoCheckResult]: Loop: 8#L49-2true assume !false; 14#L39true assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-23 13:37:49,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:49,490 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 2 times [2021-11-23 13:37:49,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:49,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186552487] [2021-11-23 13:37:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:49,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:49,495 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:49,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660425081] [2021-11-23 13:37:49,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 13:37:49,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:49,501 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:49,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-23 13:37:49,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-23 13:37:49,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 13:37:49,553 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:49,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:49,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:49,574 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 2 times [2021-11-23 13:37:49,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:49,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545989526] [2021-11-23 13:37:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:49,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:49,577 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:49,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1788804235] [2021-11-23 13:37:49,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 13:37:49,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:49,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:49,579 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:49,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-23 13:37:49,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-23 13:37:49,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 13:37:49,612 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:49,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:49,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:37:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1389889732, now seen corresponding path program 3 times [2021-11-23 13:37:49,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:37:49,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103352935] [2021-11-23 13:37:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:37:49,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:37:49,623 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 13:37:49,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183720957] [2021-11-23 13:37:49,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 13:37:49,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:37:49,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:49,633 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:37:49,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-23 13:37:49,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 13:37:49,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-23 13:37:49,668 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:37:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:37:49,682 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:37:49,901 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:37:49,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:37:49,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:37:49,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:37:49,901 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:37:49,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:49,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:37:49,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:37:49,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-23 13:37:49,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:37:49,902 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:37:49,907 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 13:37:49,909 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 13:37:49,911 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 13:37:49,914 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 13:37:50,176 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:37:50,177 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:37:50,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,181 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:50,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:50,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-23 13:37:50,210 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:37:50,210 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:37:50,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:50,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,249 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:50,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:50,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-23 13:37:50,272 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:37:50,272 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 13:37:50,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:50,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,291 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-23 13:37:50,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:50,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:50,305 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:37:50,305 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 13:37:50,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-23 13:37:50,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,325 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-23 13:37:50,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:37:50,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:50,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:50,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,389 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-23 13:37:50,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:37:50,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:37:50,429 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:37:50,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:50,462 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:37:50,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:37:50,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:37:50,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:37:50,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:37:50,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:37:50,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:37:50,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-nt.c_Iteration1_Lasso [2021-11-23 13:37:50,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:37:50,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:37:50,465 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 13:37:50,471 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 13:37:50,473 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 13:37:50,498 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 13:37:50,713 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:37:50,714 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:37:50,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,718 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,720 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 13:37:50,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:50,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:50,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:50,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:50,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:50,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:37:50,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:50,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-23 13:37:50,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:50,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-23 13:37:50,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,766 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-23 13:37:50,768 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 13:37:50,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:50,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:50,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:50,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:50,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:50,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:37:50,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:50,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:50,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-23 13:37:50,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,797 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-23 13:37:50,798 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 13:37:50,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:50,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:50,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:50,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:50,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:50,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:37:50,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:50,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:50,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,868 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:50,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:50,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:50,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:50,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:50,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:37:50,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:37:50,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:50,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-23 13:37:50,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:50,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:50,929 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-23 13:37:50,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,931 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,932 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 13:37:50,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:50,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:50,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:50,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:50,942 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:50,942 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:50,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:50,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-23 13:37:50,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:50,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-23 13:37:50,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:50,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:50,989 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:50,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-23 13:37:50,990 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 13:37:50,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:50,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:50,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:50,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:50,997 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:50,997 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:50,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:50,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-23 13:37:51,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,018 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-23 13:37:51,022 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 13:37:51,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,030 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:51,040 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:37:51,040 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:37:51,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,105 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,117 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 13:37:51,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,127 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:51,127 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:51,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-23 13:37:51,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,178 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-23 13:37:51,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,181 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,185 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 13:37:51,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,195 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:51,196 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:51,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-23 13:37:51,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,246 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:37:51,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,259 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:51,259 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:51,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-23 13:37:51,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,299 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,301 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 13:37:51,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,311 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:51,326 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:37:51,326 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:37:51,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-23 13:37:51,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,403 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,406 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 13:37:51,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,415 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:51,416 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:51,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-23 13:37:51,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,464 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-23 13:37:51,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,466 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,469 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 13:37:51,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,478 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:51,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-23 13:37:51,479 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:51,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,528 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,530 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 13:37:51,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,539 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:51,540 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:51,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-23 13:37:51,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,598 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,601 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 13:37:51,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,612 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:51,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-23 13:37:51,630 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:37:51,631 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:37:51,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-23 13:37:51,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,690 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-23 13:37:51,691 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 13:37:51,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:37:51,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,698 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:51,699 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:51,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-23 13:37:51,720 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-23 13:37:51,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,721 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-23 13:37:51,722 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 13:37:51,729 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:51,730 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:51,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,730 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:51,730 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:51,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-23 13:37:51,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,751 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-23 13:37:51,752 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 13:37:51,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:51,760 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:51,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,760 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:51,766 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:51,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:51,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,788 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-23 13:37:51,789 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 13:37:51,796 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:51,796 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:51,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,797 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:51,807 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-23 13:37:51,808 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-23 13:37:51,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-23 13:37:51,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,914 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-23 13:37:51,915 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 13:37:51,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:51,922 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:51,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,923 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-23 13:37:51,923 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-23 13:37:51,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-23 13:37:51,944 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-23 13:37:51,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,944 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-23 13:37:51,946 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 13:37:51,953 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:51,953 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:51,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,954 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:51,954 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:51,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:51,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:51,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-23 13:37:51,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:51,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:51,976 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:51,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-23 13:37:51,979 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 13:37:51,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:51,986 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:51,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:51,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:51,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:51,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:51,989 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:51,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:52,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:52,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-23 13:37:52,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:52,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:52,038 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:52,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-23 13:37:52,039 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 13:37:52,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:52,048 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:52,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:52,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:52,048 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:52,065 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:37:52,066 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:37:52,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-23 13:37:52,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:52,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:52,215 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:52,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-23 13:37:52,216 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 13:37:52,224 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:52,224 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-23 13:37:52,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:52,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:52,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:52,224 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:52,225 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:52,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:52,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:52,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-23 13:37:52,267 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-23 13:37:52,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:52,267 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:52,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-23 13:37:52,268 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 13:37:52,276 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:52,276 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:52,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:52,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:52,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:52,276 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:52,277 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:52,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:52,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:52,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-23 13:37:52,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:52,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:52,301 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:52,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-23 13:37:52,314 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 13:37:52,322 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:52,322 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:52,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:52,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:52,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:52,323 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:52,323 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:52,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:52,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:52,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-23 13:37:52,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:52,376 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:52,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-23 13:37:52,377 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 13:37:52,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:52,385 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:52,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:52,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:52,386 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:52,408 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-23 13:37:52,408 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-23 13:37:53,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-23 13:37:53,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,321 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-23 13:37:53,322 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 13:37:53,330 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,330 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:53,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:53,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,331 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-23 13:37:53,331 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-23 13:37:53,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:53,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-23 13:37:53,360 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-23 13:37:53,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,361 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-23 13:37:53,363 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 13:37:53,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,370 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:53,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:53,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,370 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:53,371 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:53,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:53,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:53,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,439 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,446 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 13:37:53,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,455 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:53,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:53,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,455 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:53,456 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:53,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:53,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-23 13:37:53,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:53,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,487 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-23 13:37:53,488 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 13:37:53,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:53,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,496 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:53,518 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-23 13:37:53,518 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-23 13:37:53,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:53,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,609 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,615 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 13:37:53,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-23 13:37:53,624 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,624 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-23 13:37:53,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:53,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,625 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-23 13:37:53,625 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-23 13:37:53,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:53,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-23 13:37:53,668 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-23 13:37:53,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,669 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-23 13:37:53,670 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 13:37:53,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,678 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:53,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:53,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,678 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:53,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:53,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:53,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:53,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,701 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-23 13:37:53,702 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 13:37:53,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,709 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:53,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:53,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,709 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:53,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:53,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:53,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:53,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-23 13:37:53,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:53,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:53,732 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:53,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-23 13:37:53,734 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 13:37:53,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:53,742 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:53,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:53,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:53,743 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:53,779 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-23 13:37:53,779 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-23 13:37:54,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:54,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:54,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:37:54,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:37:54,050 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:37:54,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-23 13:37:54,051 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 13:37:54,058 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-23 13:37:54,058 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-23 13:37:54,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:37:54,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:37:54,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:37:54,059 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-23 13:37:54,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:37:54,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:37:54,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:37:54,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-23 13:37:54,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:37:54 BoogieIcfgContainer [2021-11-23 13:37:54,084 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:37:54,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:37:54,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:37:54,085 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:37:54,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:43" (3/4) ... [2021-11-23 13:37:54,088 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:37:54,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:37:54,090 INFO L158 Benchmark]: Toolchain (without parser) took 11086.16ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 51.5MB in the beginning and 86.2MB in the end (delta: -34.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-23 13:37:54,090 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:54,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.75ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.3MB in the beginning and 82.0MB in the end (delta: -30.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:37:54,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.09ms. Allocated memory is still 104.9MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:54,091 INFO L158 Benchmark]: Boogie Preprocessor took 42.15ms. Allocated memory is still 104.9MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 931.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:37:54,092 INFO L158 Benchmark]: RCFGBuilder took 257.61ms. Allocated memory is still 104.9MB. Free memory was 79.4MB in the beginning and 70.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:37:54,092 INFO L158 Benchmark]: BuchiAutomizer took 10460.60ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 70.5MB in the beginning and 86.8MB in the end (delta: -16.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2021-11-23 13:37:54,092 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.2MB in the end (delta: 614.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:37:54,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.75ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.3MB in the beginning and 82.0MB in the end (delta: -30.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.09ms. Allocated memory is still 104.9MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.15ms. Allocated memory is still 104.9MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 931.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.61ms. Allocated memory is still 104.9MB. Free memory was 79.4MB in the beginning and 70.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 10460.60ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 70.5MB in the beginning and 86.8MB in the end (delta: -16.3MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.2MB in the end (delta: 614.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 10.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital73 mio100 ax100 hnf90 lsp100 ukn100 mio100 lsp100 div536 bol100 ite100 ukn100 eq134 hnf44 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 298ms VariablesStem: 10 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "assume !false;" "assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" Loop: "assume !false;" "assume !!(main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 == main_~x~0#1 * main_~y~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-23 13:37:54,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:54,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2021-11-23 13:37:54,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-11-23 13:37:54,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-23 13:37:54,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 13:37:55,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b072c7-9696-4e46-9b35-1bddfba2fa39/bin/uautomizer-wIGwrQj20G/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN