./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:53:01,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:53:01,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:53:01,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:53:01,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:53:01,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:53:01,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:53:01,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:53:01,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:53:01,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:53:01,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:53:01,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:53:01,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:53:01,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:53:01,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:53:01,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:53:01,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:53:01,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:53:01,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:53:01,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:53:01,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:53:01,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:53:01,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:53:01,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:53:01,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:53:01,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:53:01,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:53:01,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:53:01,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:53:01,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:53:01,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:53:01,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:53:01,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:53:01,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:53:01,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:53:01,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:53:01,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:53:01,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:53:01,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:53:01,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:53:01,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:53:01,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-07 00:53:01,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:53:01,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:53:01,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:53:01,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:53:01,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:53:01,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:53:01,193 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:53:01,193 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:53:01,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:53:01,193 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:53:01,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:53:01,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:53:01,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:53:01,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:53:01,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:53:01,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:53:01,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:53:01,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:53:01,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:53:01,197 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:53:01,197 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_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-12-07 00:53:01,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:53:01,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:53:01,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:53:01,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:53:01,389 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:53:01,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-12-07 00:53:01,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/data/c7ef99cbf/3f91cd79c2b14d1983e01607c17a347c/FLAG3c6e165a0 [2021-12-07 00:53:01,792 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:53:01,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-12-07 00:53:01,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/data/c7ef99cbf/3f91cd79c2b14d1983e01607c17a347c/FLAG3c6e165a0 [2021-12-07 00:53:01,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/data/c7ef99cbf/3f91cd79c2b14d1983e01607c17a347c [2021-12-07 00:53:01,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:53:01,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:53:01,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:53:01,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:53:01,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:53:01,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:01,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ee8dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01, skipping insertion in model container [2021-12-07 00:53:01,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:01,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:53:01,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:53:01,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:53:01,959 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:53:01,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:53:01,979 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:53:01,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01 WrapperNode [2021-12-07 00:53:01,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:53:01,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:53:01,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:53:01,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:53:01,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:01,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,001 INFO L137 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-12-07 00:53:02,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:53:02,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:53:02,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:53:02,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:53:02,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:53:02,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:53:02,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:53:02,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:53:02,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (1/1) ... [2021-12-07 00:53:02,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:02,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:02,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:53:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:53:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:53:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-12-07 00:53:02,107 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:53:02,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:53:02,181 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:53:02,186 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:53:02,186 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-07 00:53:02,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:02 BoogieIcfgContainer [2021-12-07 00:53:02,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:53:02,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:53:02,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:53:02,191 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:53:02,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:53:02,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:53:01" (1/3) ... [2021-12-07 00:53:02,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42aaa79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:53:02, skipping insertion in model container [2021-12-07 00:53:02,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:53:02,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:01" (2/3) ... [2021-12-07 00:53:02,192 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42aaa79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:53:02, skipping insertion in model container [2021-12-07 00:53:02,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:53:02,193 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:02" (3/3) ... [2021-12-07 00:53:02,193 INFO L388 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-12-07 00:53:02,227 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:53:02,227 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:53:02,227 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:53:02,227 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:53:02,228 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:53:02,228 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:53:02,228 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:53:02,228 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:53:02,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:02,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 00:53:02,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:53:02,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:53:02,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 00:53:02,256 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:53:02,256 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:53:02,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:02,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 00:53:02,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:53:02,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:53:02,258 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 00:53:02,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-07 00:53:02,263 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 10#L55-2true [2021-12-07 00:53:02,263 INFO L793 eck$LassoCheckResult]: Loop: 10#L55-2true assume !false; 5#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 12#L47-2true assume !true; 8#L55-1true assume !true; 10#L55-2true [2021-12-07 00:53:02,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:02,268 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-07 00:53:02,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:02,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511888226] [2021-12-07 00:53:02,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:02,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:02,344 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:02,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:02,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:02,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2021-12-07 00:53:02,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:02,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628605144] [2021-12-07 00:53:02,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:02,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:02,374 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:53:02,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839822948] [2021-12-07 00:53:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:02,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:53:02,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:02,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:53:02,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 00:53:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:02,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-07 00:53:02,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:53:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:53:02,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:53:02,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:53:02,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628605144] [2021-12-07 00:53:02,435 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:53:02,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839822948] [2021-12-07 00:53:02,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839822948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:53:02,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:53:02,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:53:02,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986780701] [2021-12-07 00:53:02,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:53:02,441 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-07 00:53:02,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:53:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:53:02,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:53:02,473 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:53:02,477 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-12-07 00:53:02,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:53:02,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-12-07 00:53:02,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 00:53:02,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2021-12-07 00:53:02,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-07 00:53:02,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-07 00:53:02,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-12-07 00:53:02,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:53:02,487 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-07 00:53:02,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-12-07 00:53:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-12-07 00:53:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-12-07 00:53:02,506 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-07 00:53:02,506 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-07 00:53:02,506 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:53:02,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-12-07 00:53:02,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-07 00:53:02,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:53:02,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:53:02,507 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 00:53:02,507 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-07 00:53:02,508 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 46#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 51#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 50#L55-2 [2021-12-07 00:53:02,508 INFO L793 eck$LassoCheckResult]: Loop: 50#L55-2 assume !false; 47#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 48#L47-2 assume !false; 49#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 43#L55-1 assume !false; 44#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 50#L55-2 [2021-12-07 00:53:02,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:02,508 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-12-07 00:53:02,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:02,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798395403] [2021-12-07 00:53:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:02,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:02,517 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:02,526 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:02,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:02,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2021-12-07 00:53:02,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:02,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546940134] [2021-12-07 00:53:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:02,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:02,530 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:53:02,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1771614005] [2021-12-07 00:53:02,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:02,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:53:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:02,532 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:53:02,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 00:53:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:53:02,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 00:53:02,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:53:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:53:02,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:53:02,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:53:02,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546940134] [2021-12-07 00:53:02,623 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:53:02,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771614005] [2021-12-07 00:53:02,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771614005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:53:02,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:53:02,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:53:02,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333493890] [2021-12-07 00:53:02,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:53:02,624 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-07 00:53:02,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:53:02,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:53:02,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:53:02,624 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:03,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:53:03,042 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-12-07 00:53:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:53:03,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-12-07 00:53:03,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-12-07 00:53:03,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2021-12-07 00:53:03,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-07 00:53:03,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-07 00:53:03,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-12-07 00:53:03,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:53:03,045 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-07 00:53:03,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-12-07 00:53:03,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-07 00:53:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:53:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-12-07 00:53:03,046 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-07 00:53:03,046 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-07 00:53:03,046 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 00:53:03,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-12-07 00:53:03,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-12-07 00:53:03,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:53:03,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:53:03,047 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-07 00:53:03,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-07 00:53:03,047 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 [2021-12-07 00:53:03,048 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-12-07 00:53:03,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-12-07 00:53:03,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:03,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952459580] [2021-12-07 00:53:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:03,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:03,055 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:03,062 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:03,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 1 times [2021-12-07 00:53:03,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:03,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841186888] [2021-12-07 00:53:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:03,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:03,065 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:53:03,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1858252736] [2021-12-07 00:53:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:03,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:53:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:03,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:53:03,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 00:53:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:03,190 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:04,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:04,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:53:04,321 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 1 times [2021-12-07 00:53:04,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:53:04,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878825362] [2021-12-07 00:53:04,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:04,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:53:04,326 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:53:04,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582643377] [2021-12-07 00:53:04,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:53:04,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:53:04,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:04,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:53:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 00:53:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:04,353 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:53:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:53:04,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:53:11,851 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:53:11,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:53:11,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:53:11,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:53:11,851 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:53:11,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:11,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:53:11,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:53:11,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-07 00:53:11,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:53:11,852 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:53:11,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:40,556 WARN L227 SmtUtils]: Spent 27.34s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:53:42,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:53:42,347 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:53:42,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:42,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:42,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:42,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:53:42,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:53:42,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:53:42,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-07 00:53:42,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:42,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:53:42,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:53:42,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:53:42,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:53:42,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:53:42,401 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:53:42,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:53:42,421 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:53:42,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:53:42,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:53:42,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:53:42,421 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:53:42,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:53:42,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:53:42,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:53:42,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-07 00:53:42,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:53:42,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:53:42,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:53:59,088 WARN L227 SmtUtils]: Spent 15.07s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:54:07,111 WARN L227 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:54:07,112 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:54:07,115 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:54:07,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,116 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:54:07,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:07,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:54:07,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:54:07,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:54:07,158 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 00:54:07,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,159 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:54:07,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:07,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,168 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:07,170 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:07,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 00:54:07,192 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 00:54:07,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,193 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:54:07,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:07,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,202 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:07,205 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:07,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:54:07,228 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-07 00:54:07,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,229 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:54:07,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:07,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,240 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:07,244 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:07,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:54:07,269 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-07 00:54:07,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,270 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:54:07,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:07,280 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:07,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,280 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:07,283 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:07,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 00:54:07,307 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-07 00:54:07,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 00:54:07,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:07,319 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:54:07,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,319 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:07,324 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:07,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 00:54:07,352 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-07 00:54:07,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,353 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 00:54:07,354 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 [2021-12-07 00:54:07,364 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:07,364 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:07,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,364 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:07,371 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:07,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-07 00:54:07,422 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-07 00:54:07,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,423 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 00:54:07,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,431 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:07,432 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:07,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,432 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:07,435 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:07,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 00:54:07,459 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-07 00:54:07,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:07,460 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:07,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 00:54:07,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:07,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:07,469 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:07,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:07,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:07,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:07,470 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:54:07,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:54:07,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:07,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:07,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 00:54:07,539 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:54:07,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:54:07,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:54:07,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:54:07,539 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:54:07,539 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:07,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:54:07,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:54:07,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-12-07 00:54:07,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:54:07,540 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:54:07,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:09,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:09,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:09,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:20,127 WARN L227 SmtUtils]: Spent 10.56s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:54:21,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:54:21,730 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:54:21,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:21,731 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:21,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 00:54:21,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:54:21,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:54:21,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-07 00:54:21,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:21,762 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 00:54:21,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:54:21,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:54:21,778 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:54:21,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:21,808 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:54:21,808 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:54:21,808 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:54:21,808 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:54:21,808 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:54:21,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:21,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:54:21,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:54:21,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-12-07 00:54:21,808 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:54:21,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:54:21,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:21,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:21,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:21,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:54:37,563 WARN L227 SmtUtils]: Spent 14.14s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:54:40,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:54:40,812 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:54:40,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,813 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 00:54:40,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:40,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:40,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:40,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:40,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:40,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:54:40,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:54:40,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:40,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:40,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 00:54:40,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,842 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 00:54:40,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:40,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:40,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:40,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:40,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:40,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:54:40,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:54:40,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:40,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:40,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-07 00:54:40,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,871 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:40,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 00:54:40,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:40,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:40,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:40,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:40,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:40,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:54:40,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:54:40,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:40,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:40,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:40,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,900 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:40,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 00:54:40,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:40,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:40,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:40,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:40,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:54:40,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:54:40,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:54:40,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:40,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-07 00:54:40,940 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 00:54:40,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,941 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:40,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 00:54:40,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:40,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:40,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:40,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:40,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:40,950 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:40,951 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:40,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:40,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:40,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:40,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,970 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:40,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 00:54:40,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:40,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:40,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:40,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:40,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:40,979 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:40,979 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:40,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:40,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:40,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-07 00:54:40,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:40,999 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 00:54:41,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,008 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:41,008 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:41,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-07 00:54:41,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,028 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 00:54:41,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,036 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:41,042 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 00:54:41,042 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 00:54:41,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-07 00:54:41,077 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 00:54:41,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,078 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 00:54:41,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,086 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,087 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-07 00:54:41,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,107 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 00:54:41,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,116 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,116 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-07 00:54:41,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,147 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 00:54:41,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,160 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,160 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-07 00:54:41,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,181 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 00:54:41,182 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 [2021-12-07 00:54:41,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,189 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,197 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 00:54:41,197 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 00:54:41,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-07 00:54:41,231 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-07 00:54:41,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,232 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 00:54:41,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,240 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,240 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:41,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-07 00:54:41,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,262 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 00:54:41,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,274 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,274 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:41,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 00:54:41,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,294 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 00:54:41,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,304 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:41,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 00:54:41,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,325 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 00:54:41,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:54:41,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,334 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,346 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-07 00:54:41,346 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-07 00:54:41,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-07 00:54:41,387 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-07 00:54:41,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,388 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 00:54:41,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,396 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,396 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,397 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:41,397 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:41,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:41,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,419 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 00:54:41,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,428 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:41,429 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:41,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-07 00:54:41,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,450 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 00:54:41,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,458 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:41,459 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:54:41,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 00:54:41,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,479 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-07 00:54:41,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,487 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,487 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,487 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:54:41,494 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 00:54:41,494 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 00:54:41,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-07 00:54:41,528 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-07 00:54:41,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,529 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 00:54:41,530 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 [2021-12-07 00:54:41,536 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,537 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:54:41,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,537 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,537 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:41,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,558 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 00:54:41,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,568 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,568 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:54:41,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-07 00:54:41,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,590 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 00:54:41,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,599 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,599 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:54:41,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,600 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:41,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,621 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 00:54:41,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,630 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,630 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:54:41,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,630 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,638 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 00:54:41,638 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 00:54:41,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-07 00:54:41,680 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-07 00:54:41,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,680 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 00:54:41,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,690 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:41,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,691 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,691 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:41,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-07 00:54:41,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,714 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 00:54:41,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,723 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:41,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,723 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,724 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:41,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-07 00:54:41,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,746 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-07 00:54:41,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,754 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:41,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,754 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,755 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:54:41,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-07 00:54:41,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,776 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-07 00:54:41,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,787 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:41,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,787 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:54:41,796 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-07 00:54:41,796 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-07 00:54:41,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:41,850 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-07 00:54:41,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,851 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-07 00:54:41,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,860 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,860 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-07 00:54:41,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,881 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-07 00:54:41,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,889 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,889 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,889 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-07 00:54:41,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,909 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-07 00:54:41,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,917 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:41,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,917 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,918 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:54:41,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:41,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-07 00:54:41,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,938 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-07 00:54:41,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:54:41,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:41,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:41,947 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:54:41,954 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 00:54:41,954 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 00:54:41,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:41,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:41,991 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-07 00:54:41,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:41,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:41,992 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:41,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-07 00:54:41,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:41,999 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:41,999 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:42,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:42,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:42,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:42,000 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:54:42,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:54:42,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:42,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:42,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-07 00:54:42,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:42,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:42,021 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:42,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-07 00:54:42,022 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 [2021-12-07 00:54:42,029 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:42,029 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:42,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:42,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:42,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:42,029 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:54:42,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:54:42,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:42,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:42,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-07 00:54:42,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:42,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:42,050 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:42,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-07 00:54:42,051 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 [2021-12-07 00:54:42,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:42,059 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:42,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:54:42,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:42,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:42,059 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:54:42,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:54:42,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:54:42,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:42,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-07 00:54:42,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:42,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:42,080 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:54:42,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-07 00:54:42,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:54:42,088 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:54:42,088 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:54:42,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:54:42,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:54:42,088 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:54:42,099 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-07 00:54:42,099 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-07 00:54:42,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:54:42,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-07 00:54:42,148 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-07 00:54:42,148 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-12-07 00:54:42,148 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-12-07 00:54:42,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:54:42,149 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 2 times [2021-12-07 00:54:42,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:54:42,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797350776] [2021-12-07 00:54:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:54:42,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:54:42,153 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:54:42,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211457161] [2021-12-07 00:54:42,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:54:42,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:54:42,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:42,154 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:54:42,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-12-07 00:54:42,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:54:42,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:54:42,173 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:54:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:54:42,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:54:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:54:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 2 times [2021-12-07 00:54:42,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:54:42,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005107154] [2021-12-07 00:54:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:54:42,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:54:42,223 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:54:42,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055055580] [2021-12-07 00:54:42,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:54:42,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:54:42,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:42,224 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:54:42,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-12-07 00:54:42,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:54:42,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:54:42,822 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:54:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:54:44,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:54:44,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:54:44,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1338088892, now seen corresponding path program 3 times [2021-12-07 00:54:44,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:54:44,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173117078] [2021-12-07 00:54:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:54:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:54:44,035 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:54:44,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572223036] [2021-12-07 00:54:44,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 00:54:44,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:54:44,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:54:44,036 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:54:44,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-12-07 00:54:44,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-07 00:54:44,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 00:54:44,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:54:44,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:54:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 00:54:44,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:54:44,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:54:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173117078] [2021-12-07 00:54:44,332 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 00:54:44,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572223036] [2021-12-07 00:54:44,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572223036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:54:44,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:54:44,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:54:44,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848760759] [2021-12-07 00:54:44,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:54:50,629 WARN L227 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 35 DAG size of output: 34 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 00:54:54,478 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:54:54,478 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:54:54,478 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:54:54,478 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:54:54,479 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:54:54,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:54:54,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:54:54,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:54:54,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-07 00:54:54,479 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:54:54,479 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:54:54,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:55:04,893 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:55:09,876 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:55:09,876 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:55:09,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:09,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:09,877 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:09,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-07 00:55:09,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:55:09,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:55:09,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-07 00:55:09,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:09,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:09,904 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:09,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-07 00:55:09,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:55:09,906 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:55:09,918 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:55:09,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-07 00:55:09,936 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:55:09,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:55:09,937 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:55:09,937 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:55:09,937 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:55:09,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:09,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:55:09,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:55:09,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-07 00:55:09,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:55:09,937 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:55:09,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:55:25,553 WARN L227 SmtUtils]: Spent 13.05s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:55:27,173 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:55:27,173 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:55:27,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,174 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-07 00:55:27,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:55:27,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:55:27,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:55:27,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-07 00:55:27,216 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 00:55:27,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,217 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-07 00:55:27,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:55:27,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,226 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:55:27,227 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:55:27,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-07 00:55:27,248 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 00:55:27,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,249 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-07 00:55:27,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:55:27,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,258 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:55:27,260 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:55:27,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-07 00:55:27,282 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-07 00:55:27,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,283 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-07 00:55:27,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:55:27,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:55:27,294 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:55:27,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-07 00:55:27,317 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-07 00:55:27,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,318 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-07 00:55:27,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,326 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:55:27,326 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:55:27,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,327 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:55:27,328 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:55:27,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-07 00:55:27,352 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-07 00:55:27,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,353 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-07 00:55:27,354 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 [2021-12-07 00:55:27,362 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:55:27,362 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 00:55:27,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:55:27,365 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:55:27,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-07 00:55:27,395 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-07 00:55:27,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,396 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-07 00:55:27,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,405 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:55:27,405 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:55:27,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,405 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 00:55:27,410 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 00:55:27,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-07 00:55:27,456 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-07 00:55:27,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,457 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-07 00:55:27,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:55:27,466 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 00:55:27,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,467 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 00:55:27,469 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 00:55:27,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-07 00:55:27,493 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-07 00:55:27,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:27,494 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:55:27,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-07 00:55:27,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:55:27,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 00:55:27,503 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 00:55:27,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:55:27,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:55:27,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:55:27,503 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 00:55:27,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:55:27,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:55:27,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:55:27,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-07 00:55:27,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:55:27,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:55:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:55:27,535 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:55:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:55:28,153 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-12-07 00:55:28,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:55:28,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-12-07 00:55:28,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:55:28,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 20 transitions. [2021-12-07 00:55:28,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-07 00:55:28,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-07 00:55:28,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-12-07 00:55:28,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:55:28,157 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-07 00:55:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-12-07 00:55:28,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-07 00:55:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:55:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-07 00:55:28,158 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-07 00:55:28,158 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-07 00:55:28,158 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 00:55:28,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-07 00:55:28,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-07 00:55:28,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:55:28,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:55:28,159 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:55:28,159 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 00:55:28,159 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-12-07 00:55:28,159 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-12-07 00:55:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:55:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1807031086, now seen corresponding path program 1 times [2021-12-07 00:55:28,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:55:28,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461750092] [2021-12-07 00:55:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:55:28,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:55:28,163 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:55:28,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1951123722] [2021-12-07 00:55:28,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:55:28,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:55:28,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:28,164 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:55:28,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-12-07 00:55:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:55:28,182 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:55:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:55:28,191 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:55:28,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:55:28,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-12-07 00:55:28,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:55:28,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20610325] [2021-12-07 00:55:28,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:55:28,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:55:28,194 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:55:28,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1142064921] [2021-12-07 00:55:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:55:28,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:55:28,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:28,195 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:55:28,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-12-07 00:55:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:55:28,211 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:55:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:55:28,214 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:55:28,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:55:28,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 2 times [2021-12-07 00:55:28,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:55:28,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665314580] [2021-12-07 00:55:28,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:55:28,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:55:28,218 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 00:55:28,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993739624] [2021-12-07 00:55:28,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 00:55:28,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:55:28,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:55:28,219 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:55:28,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-12-07 00:55:28,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 00:55:28,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 00:55:28,709 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:55:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:55:28,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:55:35,069 WARN L227 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 44 DAG size of output: 38 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 00:55:47,531 WARN L227 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 00:55:51,335 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:55:51,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:55:51,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:55:51,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:55:51,335 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:55:51,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:55:51,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:55:51,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:55:51,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-12-07 00:55:51,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:55:51,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:55:51,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:55:51,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:55:51,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:55:51,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:57:28,863 WARN L227 SmtUtils]: Spent 1.56m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:58:19,080 WARN L227 SmtUtils]: Spent 49.44s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 00:58:19,131 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:58:19,131 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:58:19,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:58:19,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:58:19,132 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:58:19,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-07 00:58:19,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:58:19,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:58:19,142 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:58:19,142 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1#1=0} Honda state: {ULTIMATE.start_main_#t~ret1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:58:19,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-07 00:58:19,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:58:19,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:58:19,161 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:58:19,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-07 00:58:19,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:58:19,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:58:19,170 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:58:19,170 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: [] [2021-12-07 00:58:19,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-07 00:58:19,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:58:19,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:58:19,189 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:58:19,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-07 00:58:19,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:58:19,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:58:19,198 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:58:19,198 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 00:58:19,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-07 00:58:19,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:58:19,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:58:19,216 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:58:19,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-07 00:58:19,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:58:19,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:58:19,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-07 00:58:19,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:58:19,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:58:19,246 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:58:19,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-07 00:58:19,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:58:19,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:58:19,261 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:58:19,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-07 00:58:19,279 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:58:19,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:58:19,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:58:19,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:58:19,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:58:19,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:58:19,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:58:19,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:58:19,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-12-07 00:58:19,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:58:19,279 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:58:19,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:58:22,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:58:22,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:58:22,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:00:35,213 WARN L227 SmtUtils]: Spent 2.21m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 01:01:31,517 WARN L227 SmtUtils]: Spent 55.14s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 01:01:31,795 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:01:31,796 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:01:31,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,796 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-07 01:01:31,798 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 [2021-12-07 01:01:31,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:31,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:31,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:31,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:01:31,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:01:31,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:01:31,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:31,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-07 01:01:31,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,836 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-07 01:01:31,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:31,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:31,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:31,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:31,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:31,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:01:31,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:01:31,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:31,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:31,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-07 01:01:31,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,865 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-07 01:01:31,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:31,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:31,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:31,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:31,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:31,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:01:31,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:01:31,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:31,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:31,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:31,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,893 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-07 01:01:31,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:31,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:31,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:31,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:31,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:31,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:01:31,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:01:31,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:31,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:31,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-07 01:01:31,920 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 01:01:31,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,921 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-07 01:01:31,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:31,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:31,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:31,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:31,930 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:31,935 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 01:01:31,935 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 01:01:31,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:31,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-07 01:01:31,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,967 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-07 01:01:31,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:31,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:31,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:31,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:31,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:31,976 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:31,976 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:01:31,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:31,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:31,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-07 01:01:31,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:31,996 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:31,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-07 01:01:31,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,005 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:32,005 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:01:32,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-07 01:01:32,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,025 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-07 01:01:32,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,034 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:32,034 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:01:32,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-07 01:01:32,053 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 01:01:32,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,054 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-07 01:01:32,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,063 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,070 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 01:01:32,070 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 01:01:32,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-07 01:01:32,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,106 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-07 01:01:32,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,114 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,114 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-07 01:01:32,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,134 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-07 01:01:32,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,143 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,144 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-07 01:01:32,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,164 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-07 01:01:32,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,172 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,172 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-07 01:01:32,191 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-07 01:01:32,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,192 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-07 01:01:32,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,201 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,210 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-07 01:01:32,210 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-07 01:01:32,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-07 01:01:32,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,250 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-07 01:01:32,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,258 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,259 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 01:01:32,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,278 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-07 01:01:32,279 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 [2021-12-07 01:01:32,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,288 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,288 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 01:01:32,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,308 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-07 01:01:32,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:01:32,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,316 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,317 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 01:01:32,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-07 01:01:32,335 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-07 01:01:32,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,336 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-07 01:01:32,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,344 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,344 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:32,349 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 01:01:32,349 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 01:01:32,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-07 01:01:32,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,385 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-07 01:01:32,386 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 [2021-12-07 01:01:32,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,393 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,393 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:32,394 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:01:32,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-07 01:01:32,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,414 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-07 01:01:32,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,423 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,424 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:32,424 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:01:32,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-07 01:01:32,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,444 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-07 01:01:32,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,452 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,452 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,453 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:01:32,453 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:01:32,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,472 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-07 01:01:32,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,473 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-07 01:01:32,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,482 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,483 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 01:01:32,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,483 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,490 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 01:01:32,490 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 01:01:32,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-07 01:01:32,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,534 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-07 01:01:32,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,542 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 01:01:32,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,542 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,543 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-07 01:01:32,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,566 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-07 01:01:32,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,574 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,574 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 01:01:32,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,575 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,575 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,599 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-07 01:01:32,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,608 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-07 01:01:32,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,608 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,609 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,629 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-07 01:01:32,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,630 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-07 01:01:32,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,639 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:32,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,639 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,647 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-07 01:01:32,648 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-07 01:01:32,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-07 01:01:32,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,700 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-07 01:01:32,702 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 [2021-12-07 01:01:32,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,709 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:32,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,709 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,710 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 01:01:32,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,731 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-07 01:01:32,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,740 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:32,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,740 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,740 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 01:01:32,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-07 01:01:32,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,762 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-07 01:01:32,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,771 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:32,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,772 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-07 01:01:32,772 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-07 01:01:32,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:32,793 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-07 01:01:32,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,794 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-07 01:01:32,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,803 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,803 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,803 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,809 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 01:01:32,809 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 01:01:32,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-07 01:01:32,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,849 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-07 01:01:32,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,858 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,858 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,858 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-07 01:01:32,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,878 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-07 01:01:32,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,887 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,887 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,887 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-07 01:01:32,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,907 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-07 01:01:32,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,916 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-07 01:01:32,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:32,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:01:32,916 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:01:32,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:32,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:32,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-07 01:01:32,935 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-07 01:01:32,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:32,936 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:32,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-07 01:01:32,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:32,945 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:32,945 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:32,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:32,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:32,945 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 01:01:32,954 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-07 01:01:32,954 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-07 01:01:32,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:33,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-12-07 01:01:33,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:33,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:33,008 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:33,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-07 01:01:33,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:33,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:33,016 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:33,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:33,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:33,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:33,016 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 01:01:33,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:01:33,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:33,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:33,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-07 01:01:33,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:33,039 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:33,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-07 01:01:33,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:33,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:33,048 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:33,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:33,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:33,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:33,048 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 01:01:33,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:01:33,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:33,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:33,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-07 01:01:33,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:33,069 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:01:33,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-07 01:01:33,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:01:33,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-07 01:01:33,078 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-07 01:01:33,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:01:33,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:01:33,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:01:33,078 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-07 01:01:33,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:01:33,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:01:33,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:01:33,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-07 01:01:33,098 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-07 01:01:33,098 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-12-07 01:01:33,098 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-12-07 01:01:33,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:33,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 3 times [2021-12-07 01:01:33,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:33,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477862815] [2021-12-07 01:01:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:33,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:33,102 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:01:33,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459124810] [2021-12-07 01:01:33,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 01:01:33,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:01:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:33,103 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:01:33,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2021-12-07 01:01:33,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-07 01:01:33,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 01:01:33,592 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:01:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:01:33,641 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:01:33,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:33,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2021-12-07 01:01:33,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:33,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877409707] [2021-12-07 01:01:33,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:33,643 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:01:33,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664000106] [2021-12-07 01:01:33,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:01:33,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:01:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:33,644 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:01:33,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2021-12-07 01:01:33,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 01:01:33,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 01:01:33,659 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:01:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:01:33,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:01:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash 138804856, now seen corresponding path program 4 times [2021-12-07 01:01:33,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:33,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672447142] [2021-12-07 01:01:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:33,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:33,666 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 01:01:33,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639870700] [2021-12-07 01:01:33,667 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 01:01:33,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:01:33,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:01:33,670 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:01:33,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-12-07 01:01:34,063 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 01:01:34,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-07 01:01:34,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:01:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:01:38,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:01:45,915 WARN L227 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 56 DAG size of output: 50 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 01:01:47,883 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:01:47,883 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:01:47,883 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:01:47,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:01:47,883 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:01:47,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:01:47,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:01:47,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:01:47,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-12-07 01:01:47,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:01:47,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:01:47,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:01:47,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:01:47,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:01:56,165 WARN L227 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-12-07 01:01:56,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:04:33,484 WARN L227 SmtUtils]: Spent 2.62m on a formula simplification. DAG size of input: 82 DAG size of output: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 01:06:39,256 WARN L227 SmtUtils]: Spent 2.06m on a formula simplification that was a NOOP. DAG size: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-07 01:06:39,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:06:39,828 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:06:39,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:06:39,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:06:39,829 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:06:39,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-07 01:06:39,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:06:39,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:06:39,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:06:39,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 01:06:39,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-07 01:06:39,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:06:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:06:39,856 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:06:39,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-07 01:06:39,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:06:39,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:06:39,865 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:06:39,865 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: [] [2021-12-07 01:06:39,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-07 01:06:39,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:06:39,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:06:39,883 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:06:39,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-07 01:06:39,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:06:39,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:06:39,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-12-07 01:06:39,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:06:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:06:39,913 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:06:39,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-07 01:06:39,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:06:39,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:06:39,930 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:06:39,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e31167a6-acb7-4724-ab74-61d44205168e/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-07 01:06:39,948 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:06:39,948 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:06:39,948 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:06:39,948 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:06:39,948 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:06:39,948 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:06:39,948 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:06:39,948 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:06:39,948 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-12-07 01:06:39,948 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:06:39,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:06:39,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:06:39,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:06:39,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:06:40,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true