./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 06f40a13df99e579951828d6c7e14fc7d67c88c1669d27667553986c3f45aa3e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:49:58,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:58,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:58,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:58,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:58,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:58,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:58,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:58,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:58,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:58,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:58,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:58,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:58,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:58,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:58,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:58,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:58,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:58,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:58,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:58,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:58,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:58,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:58,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:58,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:58,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:58,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:58,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:58,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:58,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:58,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:58,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:58,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:58,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:58,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:58,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:58,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:58,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:58,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:58,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:58,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:58,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:49:58,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:58,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:58,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:58,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:58,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:58,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:58,829 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:58,829 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:49:58,829 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:49:58,829 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:49:58,831 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:49:58,831 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:49:58,831 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:49:58,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:58,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:49:58,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:58,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:58,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:49:58,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:49:58,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:49:58,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:58,833 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:49:58,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:58,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:49:58,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:58,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:58,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:58,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:58,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:58,838 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:49:58,838 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_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06f40a13df99e579951828d6c7e14fc7d67c88c1669d27667553986c3f45aa3e [2021-10-28 09:49:59,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:59,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:59,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:59,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:59,136 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:59,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i [2021-10-28 09:49:59,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/data/44f959748/c3ccca7dd3ff421dbe4896d72554339b/FLAGe0c17bf62 [2021-10-28 09:49:59,876 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:59,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/sv-benchmarks/c/termination-memory-alloca/array02-alloca-1.i [2021-10-28 09:49:59,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/data/44f959748/c3ccca7dd3ff421dbe4896d72554339b/FLAGe0c17bf62 [2021-10-28 09:50:00,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/data/44f959748/c3ccca7dd3ff421dbe4896d72554339b [2021-10-28 09:50:00,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:50:00,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:50:00,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:00,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:50:00,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:50:00,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c89380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00, skipping insertion in model container [2021-10-28 09:50:00,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:50:00,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:50:00,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:00,510 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:50:00,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:50:00,588 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:50:00,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00 WrapperNode [2021-10-28 09:50:00,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:50:00,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:00,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:50:00,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:50:00,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:50:00,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:50:00,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:50:00,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:50:00,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:50:00,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:50:00,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:50:00,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:50:00,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (1/1) ... [2021-10-28 09:50:00,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:00,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:00,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:00,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:50:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:50:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:50:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:50:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:50:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:50:00,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:50:01,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:50:01,001 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:50:01,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:01 BoogieIcfgContainer [2021-10-28 09:50:01,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:50:01,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:50:01,004 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:50:01,008 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:50:01,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:50:01,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:50:00" (1/3) ... [2021-10-28 09:50:01,011 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ec44e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:50:01, skipping insertion in model container [2021-10-28 09:50:01,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:50:01,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:00" (2/3) ... [2021-10-28 09:50:01,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ec44e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:50:01, skipping insertion in model container [2021-10-28 09:50:01,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:50:01,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:01" (3/3) ... [2021-10-28 09:50:01,014 INFO L389 chiAutomizerObserver]: Analyzing ICFG array02-alloca-1.i [2021-10-28 09:50:01,084 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:50:01,084 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:50:01,084 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:50:01,084 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:50:01,085 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:50:01,085 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:50:01,085 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:50:01,085 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:50:01,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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) [2021-10-28 09:50:01,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:50:01,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:01,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:01,132 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:50:01,132 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:50:01,132 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:50:01,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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) [2021-10-28 09:50:01,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:50:01,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:01,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:01,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:50:01,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:50:01,142 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 4#L565true assume !(main_~array_size~0 < 1); 13#L565-2true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 6#L552-3true [2021-10-28 09:50:01,142 INFO L793 eck$LassoCheckResult]: Loop: 6#L552-3true assume !!(test_fun_~i~0 < test_fun_~N); 8#L553-3true assume !true; 9#L557-2true assume !true; 12#L552-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 6#L552-3true [2021-10-28 09:50:01,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-28 09:50:01,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143351812] [2021-10-28 09:50:01,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,329 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:01,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1459151, now seen corresponding path program 1 times [2021-10-28 09:50:01,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214659267] [2021-10-28 09:50:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:01,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:01,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214659267] [2021-10-28 09:50:01,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214659267] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:01,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:01,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:50:01,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167846018] [2021-10-28 09:50:01,437 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:50:01,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:01,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:50:01,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:50:01,455 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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) 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) [2021-10-28 09:50:01,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:01,461 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-10-28 09:50:01,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:50:01,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-10-28 09:50:01,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:50:01,467 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 13 transitions. [2021-10-28 09:50:01,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:50:01,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:50:01,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-10-28 09:50:01,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:50:01,469 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 09:50:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-10-28 09:50:01,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-28 09:50:01,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-10-28 09:50:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-28 09:50:01,495 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 09:50:01,495 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 09:50:01,495 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:50:01,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-28 09:50:01,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:50:01,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:01,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:01,497 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:50:01,497 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:50:01,497 INFO L791 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 41#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 38#L565 assume !(main_~array_size~0 < 1); 39#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 37#L552-3 [2021-10-28 09:50:01,498 INFO L793 eck$LassoCheckResult]: Loop: 37#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 42#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 43#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 44#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 45#L557 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 36#L552-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 37#L552-3 [2021-10-28 09:50:01,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-10-28 09:50:01,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668817325] [2021-10-28 09:50:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,529 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1395295349, now seen corresponding path program 1 times [2021-10-28 09:50:01,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573512303] [2021-10-28 09:50:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,545 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1896732327, now seen corresponding path program 1 times [2021-10-28 09:50:01,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379514507] [2021-10-28 09:50:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,581 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:01,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:02,203 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:50:02,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:50:02,212 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:50:02,212 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:50:02,213 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:50:02,213 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:02,213 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:50:02,213 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:50:02,213 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration2_Lasso [2021-10-28 09:50:02,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:50:02,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:50:02,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:02,875 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:50:02,883 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:50:02,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:02,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:50:02,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:02,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:02,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:02,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:02,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:02,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:02,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:02,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:02,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:02,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:50:02,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:02,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:02,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:02,968 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 [2021-10-28 09:50:02,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:50:02,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:02,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:02,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:02,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:02,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:02,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:02,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:02,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,032 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:03,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:03,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:03,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:50:03,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,097 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:50:03,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:03,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:03,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:03,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:03,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:50:03,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:50:03,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:03,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:03,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:03,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:50:03,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:03,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:03,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,389 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:50:03,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:03,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:03,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:03,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,451 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:50:03,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:03,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:03,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:03,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:03,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:03,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:03,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:03,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:50:03,537 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:50:03,537 INFO L444 ModelExtractionUtils]: 30 out of 34 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:50:03,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:03,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,572 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:50:03,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:50:03,594 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:50:03,595 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:50:03,595 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2021-10-28 09:50:03,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,644 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 09:50:03,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:03,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:50:03,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:03,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:03,890 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:03,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,954 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 23 transitions. Complement of second has 4 states. [2021-10-28 09:50:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-10-28 09:50:03,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 09:50:03,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:03,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 09:50:03,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:03,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 12 letters. [2021-10-28 09:50:03,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:03,961 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2021-10-28 09:50:03,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:50:03,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 22 transitions. [2021-10-28 09:50:03,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 09:50:03,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:50:03,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-10-28 09:50:03,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:50:03,967 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 09:50:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-10-28 09:50:03,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-10-28 09:50:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 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) [2021-10-28 09:50:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-10-28 09:50:03,970 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-10-28 09:50:03,970 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-10-28 09:50:03,970 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:50:03,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2021-10-28 09:50:03,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:50:03,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:03,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:03,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:50:03,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:50:03,975 INFO L791 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 130#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 127#L565 assume !(main_~array_size~0 < 1); 128#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 131#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 132#L553-3 [2021-10-28 09:50:03,976 INFO L793 eck$LassoCheckResult]: Loop: 132#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 134#L553-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 132#L553-3 [2021-10-28 09:50:03,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-10-28 09:50:03,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:03,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325474174] [2021-10-28 09:50:03,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:03,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:04,014 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:04,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:04,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:04,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2021-10-28 09:50:04,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:04,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901310330] [2021-10-28 09:50:04,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:04,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:04,037 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:04,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:04,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:04,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-10-28 09:50:04,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:04,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550940882] [2021-10-28 09:50:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:04,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:04,076 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:04,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:04,410 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:50:04,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:50:04,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:50:04,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:50:04,410 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:50:04,410 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:04,410 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:50:04,410 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:50:04,410 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration3_Lasso [2021-10-28 09:50:04,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:50:04,411 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:50:04,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:04,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:50:04,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:50:04,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:04,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:04,843 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:04,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:50:04,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:04,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:04,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:04,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:04,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:04,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:04,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:04,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:04,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:04,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:04,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:04,915 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:04,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:04,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:04,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:04,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:04,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:04,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:04,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:04,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:04,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:50:04,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:04,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:04,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:04,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:04,981 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:04,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:04,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:04,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:04,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:04,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:04,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:04,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:04,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:05,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:50:05,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:05,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:05,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:05,049 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:05,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:50:05,055 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 [2021-10-28 09:50:05,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:05,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:05,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:05,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:05,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:05,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:05,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:05,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:05,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:05,128 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:05,136 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 [2021-10-28 09:50:05,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:50:05,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:05,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:05,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:05,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:05,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:05,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:05,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:05,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:05,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:05,212 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:05,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:05,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:05,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:05,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:05,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:05,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:05,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:05,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:50:05,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:05,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:05,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:05,288 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:05,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:50:05,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:05,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:05,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:05,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:05,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:05,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:05,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:05,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:05,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:50:05,328 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:50:05,328 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:50:05,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:05,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:05,332 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:05,338 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:50:05,338 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:50:05,338 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:50:05,338 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] [2021-10-28 09:50:05,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:50:05,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,386 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 09:50:05,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:05,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:05,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:05,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:05,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:05,465 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:05,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-28 09:50:05,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 7 states. [2021-10-28 09:50:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-28 09:50:05,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-28 09:50:05,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:50:05,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:05,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 09:50:05,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:05,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 09:50:05,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:05,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-10-28 09:50:05,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:50:05,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 37 transitions. [2021-10-28 09:50:05,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:50:05,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 09:50:05,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 37 transitions. [2021-10-28 09:50:05,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:50:05,506 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-28 09:50:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 37 transitions. [2021-10-28 09:50:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2021-10-28 09:50:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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) [2021-10-28 09:50:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2021-10-28 09:50:05,510 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-10-28 09:50:05,510 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-10-28 09:50:05,510 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:50:05,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2021-10-28 09:50:05,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:50:05,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:05,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:05,512 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:05,512 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:50:05,512 INFO L791 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 239#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 231#L565 assume !(main_~array_size~0 < 1); 232#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 233#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 234#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 243#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 244#L557-2 [2021-10-28 09:50:05,512 INFO L793 eck$LassoCheckResult]: Loop: 244#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 245#L557 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 244#L557-2 [2021-10-28 09:50:05,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:05,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2021-10-28 09:50:05,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:05,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803730909] [2021-10-28 09:50:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:05,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:05,527 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:05,542 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:05,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:05,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2021-10-28 09:50:05,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:05,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363313844] [2021-10-28 09:50:05,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:05,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:05,550 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:05,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:05,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:05,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1185741076, now seen corresponding path program 1 times [2021-10-28 09:50:05,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:05,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061377416] [2021-10-28 09:50:05,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:05,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:05,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:05,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:05,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,999 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:50:05,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:50:05,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:50:05,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:50:06,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:50:06,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:50:06,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:50:06,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration4_Lasso [2021-10-28 09:50:06,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:50:06,000 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:50:06,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:06,467 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:50:06,467 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:50:06,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,472 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:06,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:06,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:06,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:50:06,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,549 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:06,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:06,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:50:06,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,621 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,623 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 [2021-10-28 09:50:06,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:50:06,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:06,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:06,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,685 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:50:06,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:06,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:06,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:06,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,734 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:50:06,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:06,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:06,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:06,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,804 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:50:06,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,822 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:06,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:06,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,888 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:06,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:06,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:06,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:50:06,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:06,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:06,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:06,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:06,960 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:06,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:06,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:06,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:06,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:06,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:06,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:06,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:06,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:06,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:50:06,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 09:50:07,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,010 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:50:07,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 09:50:07,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,089 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:50:07,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:07,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:07,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:07,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 09:50:07,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,123 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:50:07,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:07,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:07,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:07,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 09:50:07,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,161 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:50:07,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:07,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,213 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:50:07,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:07,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,256 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:50:07,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:07,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:07,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:07,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 09:50:07,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,287 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:50:07,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:07,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,345 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:50:07,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:50:07,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,383 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:50:07,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:07,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,458 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:50:07,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:07,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:07,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,526 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:50:07,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:07,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:07,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:07,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:07,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:07,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:07,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:07,549 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:50:07,555 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:50:07,555 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:50:07,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:07,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:07,560 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:07,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:50:07,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:50:07,593 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:50:07,594 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:50:07,594 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_2 Supporting invariants [] [2021-10-28 09:50:07,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:07,635 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 09:50:07,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:07,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:07,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:07,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:07,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:07,709 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:07,709 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 31 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:07,729 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 31 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 42 transitions. Complement of second has 7 states. [2021-10-28 09:50:07,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:50:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 09:50:07,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 09:50:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:07,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 09:50:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:07,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 09:50:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:07,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 42 transitions. [2021-10-28 09:50:07,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:50:07,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 22 states and 29 transitions. [2021-10-28 09:50:07,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 09:50:07,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 09:50:07,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2021-10-28 09:50:07,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:50:07,735 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-10-28 09:50:07,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2021-10-28 09:50:07,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-10-28 09:50:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 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) [2021-10-28 09:50:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-10-28 09:50:07,739 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-28 09:50:07,739 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-28 09:50:07,739 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:50:07,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-10-28 09:50:07,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:50:07,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:07,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:07,741 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:07,741 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:50:07,741 INFO L791 eck$LassoCheckResult]: Stem: 349#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 350#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 347#L565 assume !(main_~array_size~0 < 1); 348#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 351#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 352#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 365#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 364#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 361#L557 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 345#L552-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 346#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 353#L553-3 [2021-10-28 09:50:07,741 INFO L793 eck$LassoCheckResult]: Loop: 353#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 359#L553-1 assume !!(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(1 + test_fun_#t~post5, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~neg~0;test_fun_~neg~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 353#L553-3 [2021-10-28 09:50:07,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:07,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1330840024, now seen corresponding path program 2 times [2021-10-28 09:50:07,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:07,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797441297] [2021-10-28 09:50:07,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:07,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:07,754 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:07,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:07,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2021-10-28 09:50:07,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:07,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441236319] [2021-10-28 09:50:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:07,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:07,787 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:07,804 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -962990435, now seen corresponding path program 1 times [2021-10-28 09:50:07,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:07,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615631130] [2021-10-28 09:50:07,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:07,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:07,817 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:07,832 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:08,181 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:50:08,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:50:08,181 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:50:08,181 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:50:08,181 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:50:08,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:50:08,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:50:08,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration5_Lasso [2021-10-28 09:50:08,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:50:08,182 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:50:08,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:08,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:08,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:50:08,599 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:50:08,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,600 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:50:08,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:08,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:08,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:50:08,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,664 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:50:08,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:08,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:08,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:08,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:08,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,697 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:50:08,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:08,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:08,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 09:50:08,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,736 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:50:08,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:08,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:08,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:08,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:50:08,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,776 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:50:08,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:08,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:08,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:08,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 09:50:08,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,807 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:50:08,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:08,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:08,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:08,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:08,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,860 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:50:08,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:08,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:08,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 09:50:08,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,896 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:50:08,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:08,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:08,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:08,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 09:50:08,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,930 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:50:08,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:08,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:08,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:08,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:08,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:08,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,968 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:50:08,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:08,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:08,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:08,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:08,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:08,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:08,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:09,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:09,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 09:50:09,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:09,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:09,030 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:09,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:09,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:50:09,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:09,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:09,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:09,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:09,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:09,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:09,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:09,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:09,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:09,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:09,106 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:09,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:09,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:09,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:09,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:09,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:09,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:09,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:09,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:50:09,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:09,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:09,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:09,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:09,173 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:09,175 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 [2021-10-28 09:50:09,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:09,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:09,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:09,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:09,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:09,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:09,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:50:09,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:09,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:09,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:09,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:09,238 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:09,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:09,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:09,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:09,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:09,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:09,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:09,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:09,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:09,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:50:09,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:50:09,267 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:50:09,267 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:50:09,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:09,268 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:09,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:50:09,272 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:50:09,272 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:50:09,272 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_3) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_3 Supporting invariants [] [2021-10-28 09:50:09,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:50:09,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:09,318 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 09:50:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:09,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:09,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:09,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:09,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:09,416 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:09,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:09,448 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 7 states. [2021-10-28 09:50:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-28 09:50:09,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-28 09:50:09,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:09,450 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:50:09,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:09,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:09,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:09,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:09,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:09,537 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:09,537 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:09,571 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 7 states. [2021-10-28 09:50:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:09,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-28 09:50:09,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-28 09:50:09,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:09,574 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:50:09,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:09,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:09,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:09,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:09,660 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:09,660 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:09,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 53 transitions. Complement of second has 6 states. [2021-10-28 09:50:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-28 09:50:09,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-28 09:50:09,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:09,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-28 09:50:09,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:09,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2021-10-28 09:50:09,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:09,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2021-10-28 09:50:09,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:50:09,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 32 states and 42 transitions. [2021-10-28 09:50:09,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:50:09,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 09:50:09,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 42 transitions. [2021-10-28 09:50:09,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:50:09,715 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-10-28 09:50:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 42 transitions. [2021-10-28 09:50:09,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24. [2021-10-28 09:50:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 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) [2021-10-28 09:50:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2021-10-28 09:50:09,721 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-10-28 09:50:09,721 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-10-28 09:50:09,721 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:50:09,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 32 transitions. [2021-10-28 09:50:09,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:50:09,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:50:09,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:50:09,726 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:09,726 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:50:09,726 INFO L791 eck$LassoCheckResult]: Stem: 648#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 649#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet11;havoc main_#t~nondet11; 646#L565 assume !(main_~array_size~0 < 1); 647#L565-2 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~mem8, test_fun_#t~post9, test_fun_#t~post10, test_fun_#t~mem7, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~pos~0, test_fun_~neg~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~pos~0 := 0;test_fun_~neg~0 := 0;test_fun_~i~0 := 0; 650#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 651#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 660#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 663#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 666#L557 assume !(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7; 644#L552-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 645#L552-3 assume !!(test_fun_~i~0 < test_fun_~N); 652#L553-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 659#L553-1 assume !(test_fun_#t~mem3 < 0);havoc test_fun_#t~mem3; 654#L557-2 [2021-10-28 09:50:09,726 INFO L793 eck$LassoCheckResult]: Loop: 654#L557-2 call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 655#L557 assume !!(test_fun_#t~mem7 > 0);havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post9 := test_fun_#t~mem8;call write~int(test_fun_#t~post9 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem8;havoc test_fun_#t~post9;test_fun_#t~post10 := test_fun_~pos~0;test_fun_~pos~0 := 1 + test_fun_#t~post10;havoc test_fun_#t~post10; 654#L557-2 [2021-10-28 09:50:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash -962990437, now seen corresponding path program 3 times [2021-10-28 09:50:09,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:09,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003904207] [2021-10-28 09:50:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:09,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:09,760 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:09,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:09,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 2 times [2021-10-28 09:50:09,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:09,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698803438] [2021-10-28 09:50:09,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:09,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:09,783 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:09,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:09,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:09,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2015840224, now seen corresponding path program 1 times [2021-10-28 09:50:09,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:09,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581460579] [2021-10-28 09:50:09,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:09,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:09,809 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:50:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:50:09,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:10,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:10,247 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:50:10,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:50:10,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:50:10,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:50:10,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:50:10,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:50:10,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:50:10,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: array02-alloca-1.i_Iteration6_Lasso [2021-10-28 09:50:10,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:50:10,248 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:50:10,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:50:10,733 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:50:10,733 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:50:10,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:10,740 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:10,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:10,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:10,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:10,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:10,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:10,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:10,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:10,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:50:10,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:10,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:10,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:10,779 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:10,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:50:10,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:10,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:10,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:10,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:10,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:10,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:10,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:10,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:10,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:10,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:10,815 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:50:10,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:10,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:10,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:10,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:10,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:10,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:10,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:10,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:10,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:10,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:10,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:10,888 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:10,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:10,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:10,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:10,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:10,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:10,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:10,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:10,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:10,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:50:10,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:10,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:50:10,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:10,939 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:10,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:50:10,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:10,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:10,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:10,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:10,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:10,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:10,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:10,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:10,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:10,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:10,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:10,972 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:10,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:50:10,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:10,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:10,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:10,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:10,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:10,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:10,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:10,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:10,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,005 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:50:11,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:11,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:11,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 09:50:11,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,043 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:50:11,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:11,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:11,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:11,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,077 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:50:11,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:11,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:11,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:11,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 09:50:11,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,108 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:50:11,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:11,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:11,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:11,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 09:50:11,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,140 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:50:11,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:11,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:11,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 09:50:11,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,173 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:50:11,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:11,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:11,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:11,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,204 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:50:11,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:11,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:11,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,241 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:50:11,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:11,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:11,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:11,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 09:50:11,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,274 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:50:11,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:11,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:11,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,308 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:50:11,309 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 [2021-10-28 09:50:11,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:50:11,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:50:11,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:50:11,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 09:50:11,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,350 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:50:11,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:11,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:11,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:50:11,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,446 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:50:11,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:50:11,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:50:11,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:50:11,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:50:11,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:50:11,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:50:11,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:50:11,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:50:11,496 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:50:11,496 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 09:50:11,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:50:11,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,499 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,504 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:50:11,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:50:11,526 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:50:11,526 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:50:11,526 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2021-10-28 09:50:11,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,572 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 09:50:11,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:11,653 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:11,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:11,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 36 transitions. Complement of second has 7 states. [2021-10-28 09:50:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 09:50:11,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-28 09:50:11,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:11,675 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:50:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:11,754 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:11,755 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:11,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 36 transitions. Complement of second has 7 states. [2021-10-28 09:50:11,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 09:50:11,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-28 09:50:11,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:11,768 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:50:11,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:50:11,857 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:50:11,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:11,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 32 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 6 states. [2021-10-28 09:50:11,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:50:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:50:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-28 09:50:11,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-28 09:50:11,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:11,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-28 09:50:11,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:11,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 13 letters. Loop has 4 letters. [2021-10-28 09:50:11,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:50:11,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2021-10-28 09:50:11,874 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:50:11,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-10-28 09:50:11,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:50:11,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:50:11,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:50:11,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:50:11,875 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:11,875 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:11,876 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:11,876 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:50:11,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:50:11,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:50:11,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:50:11,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:50:11 BoogieIcfgContainer [2021-10-28 09:50:11,887 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:50:11,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:50:11,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:50:11,889 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:50:11,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:01" (3/4) ... [2021-10-28 09:50:11,891 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:50:11,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:50:11,893 INFO L168 Benchmark]: Toolchain (without parser) took 11728.85 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 72.1 MB in the beginning and 73.4 MB in the end (delta: -1.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:11,893 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 46.5 MB in the beginning and 46.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:11,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.95 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 57.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:11,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.48 ms. Allocated memory is still 100.7 MB. Free memory was 56.9 MB in the beginning and 55.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:11,894 INFO L168 Benchmark]: Boogie Preprocessor took 26.91 ms. Allocated memory is still 100.7 MB. Free memory was 55.3 MB in the beginning and 54.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:11,894 INFO L168 Benchmark]: RCFGBuilder took 327.66 ms. Allocated memory is still 100.7 MB. Free memory was 54.1 MB in the beginning and 44.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:11,895 INFO L168 Benchmark]: BuchiAutomizer took 10882.83 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 43.8 MB in the beginning and 73.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:11,895 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 134.2 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:11,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 46.5 MB in the beginning and 46.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.95 ms. Allocated memory is still 100.7 MB. Free memory was 71.9 MB in the beginning and 57.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.48 ms. Allocated memory is still 100.7 MB. Free memory was 56.9 MB in the beginning and 55.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.91 ms. Allocated memory is still 100.7 MB. Free memory was 55.3 MB in the beginning and 54.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 327.66 ms. Allocated memory is still 100.7 MB. Free memory was 54.1 MB in the beginning and 44.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10882.83 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 43.8 MB in the beginning and 73.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Witness Printer took 2.93 ms. Allocated memory is still 134.2 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.8s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 9.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 24 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 89 SDslu, 9 SDs, 0 SdLazy, 102 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax111 hnf99 lsp79 ukn75 mio100 lsp54 div100 bol100 ite100 ukn100 eq179 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:50:11,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:12,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeabef96-2ff5-475d-a0f8-8f239ed9fd21/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...