./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC --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 d38e7f8e829b6fb879eed3e9eda17afd63dbb323 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:22,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:22,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:22,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:22,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:22,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:22,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:22,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:22,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:22,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:22,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:22,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:22,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:22,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:22,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:22,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:22,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:22,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:22,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:22,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:22,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:22,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:22,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:22,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:22,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:22,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:22,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:22,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:22,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:22,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:22,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:22,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:22,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:22,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:22,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:22,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:22,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:22,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:22,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:22,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:22,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:22,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:32:22,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:22,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:22,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:22,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:22,832 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:22,833 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:32:22,834 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:32:22,834 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:32:22,834 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:32:22,834 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:32:22,835 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:32:22,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:22,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:32:22,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:22,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:22,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:32:22,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:32:22,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:32:22,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:22,837 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:32:22,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:22,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:32:22,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:22,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:22,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:22,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:22,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:22,840 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:32:22,840 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_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d38e7f8e829b6fb879eed3e9eda17afd63dbb323 [2021-10-11 00:32:23,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:23,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:23,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:23,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:23,150 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:23,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-11 00:32:23,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/data/0bad1cc30/bc682708ac894d138f424af4253df390/FLAGeb0cb8c6f [2021-10-11 00:32:23,652 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:23,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-11 00:32:23,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/data/0bad1cc30/bc682708ac894d138f424af4253df390/FLAGeb0cb8c6f [2021-10-11 00:32:24,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/data/0bad1cc30/bc682708ac894d138f424af4253df390 [2021-10-11 00:32:24,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:24,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:24,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:24,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:24,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:24,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4905dd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24, skipping insertion in model container [2021-10-11 00:32:24,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:24,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:24,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:24,253 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:24,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:24,299 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:24,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24 WrapperNode [2021-10-11 00:32:24,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:24,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:24,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:24,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:24,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:24,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:24,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:24,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:24,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... [2021-10-11 00:32:24,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:24,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:24,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:24,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:24,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:24,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:24,533 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:32:24,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:24 BoogieIcfgContainer [2021-10-11 00:32:24,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:24,535 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:32:24,535 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:32:24,539 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:32:24,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:24,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:32:24" (1/3) ... [2021-10-11 00:32:24,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ad2a804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:32:24, skipping insertion in model container [2021-10-11 00:32:24,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:24,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:24" (2/3) ... [2021-10-11 00:32:24,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ad2a804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:32:24, skipping insertion in model container [2021-10-11 00:32:24,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:24,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:24" (3/3) ... [2021-10-11 00:32:24,546 INFO L389 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-11 00:32:24,600 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:32:24,600 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:32:24,600 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:32:24,600 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:24,600 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:24,600 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:32:24,601 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:24,601 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:32:24,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:32:24,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:32:24,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:24,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:24,633 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:32:24,633 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:32:24,633 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:32:24,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:32:24,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:32:24,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:24,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:24,634 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:32:24,635 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:32:24,642 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true [2021-10-11 00:32:24,642 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2021-10-11 00:32:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:24,648 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:32:24,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:24,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699097693] [2021-10-11 00:32:24,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:24,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:24,737 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:24,751 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:24,753 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-11 00:32:24,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:24,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904508899] [2021-10-11 00:32:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:24,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:24,783 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:24,785 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:24,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:24,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-11 00:32:24,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:24,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822217265] [2021-10-11 00:32:24,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:24,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:24,810 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:24,812 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:25,059 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:25,060 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:25,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:25,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:25,063 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:32:25,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:25,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:25,063 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:25,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-11 00:32:25,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:25,064 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:25,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:25,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:25,209 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-10-11 00:32:25,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:25,355 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-10-11 00:32:25,592 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2021-10-11 00:32:25,602 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:25,602 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:25,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:25,616 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:25,643 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:32:25,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:25,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:25,677 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:25,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:32:25,752 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:25,894 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:32:25,896 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:25,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:25,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:25,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:25,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:32:25,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:25,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:25,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:25,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-11 00:32:25,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:25,897 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:25,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:25,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:25,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:26,111 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2021-10-11 00:32:26,311 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-10-11 00:32:26,318 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:26,323 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,347 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:26,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,411 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-11 00:32:26,412 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-11 00:32:26,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:26,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:26,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:26,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:26,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:26,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:26,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:26,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:26,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:26,619 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,635 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:26,635 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,684 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-11 00:32:26,684 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-11 00:32:26,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:26,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:26,798 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:26,798 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:26,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:26,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:26,860 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:26,861 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:26,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:26,914 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:26,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:26,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:26,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:26,923 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:26,923 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:26,980 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-11 00:32:26,981 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-11 00:32:27,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:27,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:27,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:27,151 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:27,153 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:27,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:27,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:27,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:27,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:27,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:27,208 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:27,209 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:27,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:27,262 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:27,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,273 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:27,273 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:27,367 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-11 00:32:27,367 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-11 00:32:27,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:27,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:27,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:27,520 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:27,523 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:27,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:27,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:27,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:27,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:27,576 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:27,577 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:27,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:27,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:27,628 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:27,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:27,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:27,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,638 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:27,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,710 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-11 00:32:27,710 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-11 00:32:27,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:27,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,836 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:27,836 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:27,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:27,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:27,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:27,838 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:27,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:27,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:27,889 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:27,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:27,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:27,889 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:27,891 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:27,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:27,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:27,938 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:27,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:27,952 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:27,952 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:32:27,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:27,953 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:27,953 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:28,013 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-11 00:32:28,013 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-11 00:32:28,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:28,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:28,229 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:28,229 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:32:28,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:28,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:28,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:28,230 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:28,231 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:28,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:28,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:28,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:28,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:28,271 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:32:28,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:28,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:28,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:28,271 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:28,273 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:28,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:28,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:28,323 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:28,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:28,328 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:28,328 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:28,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:28,329 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:28,329 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:28,448 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-11 00:32:28,448 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-11 00:32:28,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:28,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:28,759 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:28,760 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:28,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:28,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:28,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:28,760 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:28,762 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:28,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:28,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:28,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:28,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:28,809 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:28,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:28,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:28,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:28,810 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:28,811 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:28,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:28,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:28,863 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:28,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:28,874 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:28,875 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:28,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:28,875 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:28,875 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:28,930 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-11 00:32:28,931 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-11 00:32:29,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:29,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:29,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:29,077 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:29,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:29,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:29,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:29,077 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:29,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:29,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:29,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:29,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:29,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:29,128 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:29,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:29,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:29,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:29,129 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:29,129 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:29,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:29,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:29,174 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:29,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:29,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:29,188 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:29,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:29,189 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:29,189 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:29,291 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-11 00:32:29,291 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-11 00:32:29,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:29,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:29,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:29,559 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:29,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:29,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:29,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:29,559 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:32:29,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:29,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:29,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:29,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:29,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:29,621 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:29,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:29,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:29,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:29,622 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:32:29,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:29,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:29,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:29,681 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-11 00:32:29,681 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2021-10-11 00:32:29,681 INFO L796 eck$LassoCheckResult]: Loop: 5#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 5#L14-2true [2021-10-11 00:32:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2021-10-11 00:32:29,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:29,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400301219] [2021-10-11 00:32:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:29,689 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:29,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:29,696 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:29,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:29,697 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2021-10-11 00:32:29,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:29,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401354283] [2021-10-11 00:32:29,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:29,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:29,712 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:29,717 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:29,718 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2021-10-11 00:32:29,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:29,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729307819] [2021-10-11 00:32:29,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:29,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:29,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:29,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:29,880 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:29,880 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:29,880 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:29,880 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:29,881 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:32:29,881 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:29,881 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:29,881 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:29,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-11 00:32:29,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:29,881 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:29,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:29,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:29,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:30,100 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2021-10-11 00:32:30,284 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-10-11 00:32:30,288 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:30,288 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,305 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:30,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:32:30,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:32:30,333 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:30,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:30,366 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,392 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:32:30,392 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:30,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:30,426 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:32:30,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:32:30,516 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:32:30,518 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:30,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:30,518 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:30,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:30,518 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:32:30,518 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,518 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:30,519 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:30,519 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-11 00:32:30,519 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:30,519 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:30,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:30,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:30,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:30,906 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-10-11 00:32:30,908 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:30,908 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:30,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:30,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:30,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:30,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:30,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:30,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:30,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:30,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:30,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:30,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:30,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:30,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:30,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:30,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:30,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:30,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:30,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:30,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:30,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:30,997 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:30,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:31,026 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-11 00:32:31,026 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-11 00:32:31,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:31,096 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,106 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:31,107 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:31,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:31,159 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:31,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:31,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,219 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:31,219 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,259 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-11 00:32:31,260 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-11 00:32:31,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:31,357 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:31,363 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:31,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,411 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:31,412 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:31,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,431 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,467 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:31,467 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,518 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-11 00:32:31,518 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-11 00:32:31,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:31,646 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,655 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:31,656 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:31,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,703 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:31,704 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:31,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:31,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,755 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:31,755 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,818 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-11 00:32:31,819 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-11 00:32:31,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:31,956 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:31,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:31,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:31,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:31,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:31,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:31,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:31,962 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:31,962 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:31,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:31,975 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,012 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:32,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:32,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:32,012 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:32:32,013 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:32:32,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,061 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:32,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,061 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:32,061 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,106 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-11 00:32:32,107 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-11 00:32:32,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:32,231 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,237 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:32:32,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:32,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:32,237 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:32,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:32,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,291 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:32:32,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:32,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:32,291 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:32,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:32,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,352 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:32:32,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,352 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:32,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,413 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-11 00:32:32,413 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-11 00:32:32,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:32,651 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,660 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:32,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:32,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:32,660 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:32,663 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:32,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,712 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:32,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:32,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:32,713 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:32:32,714 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:32:32,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:32,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:32,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:32,763 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:32,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:32,763 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:32,763 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:32,850 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-11 00:32:32,850 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-11 00:32:32,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:33,030 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:33,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:33,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:33,039 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:33,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:33,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:33,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:33,039 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:33,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:33,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:33,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:33,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:33,092 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:33,092 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:33,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:33,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:33,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:33,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:32:33,093 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:33,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:33,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:33,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:33,140 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:33,141 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:32:33,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:33,141 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:33,141 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:33,201 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-11 00:32:33,202 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-11 00:32:33,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:33,371 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:33,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:33,375 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:33,375 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:33,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:33,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:33,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:33,375 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:32:33,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:33,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:33,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:33,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:33,443 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:33,443 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:33,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:33,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:33,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:33,444 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:32:33,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:33,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:33,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73eb35b2-8342-4bcb-8e97-b6275092b95b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:33,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:33,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:32:33,499 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:32:33,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:33,499 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-11 00:32:33,499 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:33,584 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-11 00:32:33,584 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-11 00:32:34,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:32:34,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:32:34 BoogieIcfgContainer [2021-10-11 00:32:34,034 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:32:34,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:34,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:34,035 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:34,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:24" (3/4) ... [2021-10-11 00:32:34,040 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:32:34,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:34,042 INFO L168 Benchmark]: Toolchain (without parser) took 9969.67 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 53.7 MB in the beginning and 90.8 MB in the end (delta: -37.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:34,043 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:34,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.57 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 65.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:34,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.55 ms. Allocated memory is still 86.0 MB. Free memory was 65.5 MB in the beginning and 64.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:34,045 INFO L168 Benchmark]: Boogie Preprocessor took 16.27 ms. Allocated memory is still 86.0 MB. Free memory was 64.1 MB in the beginning and 63.4 MB in the end (delta: 705.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:34,045 INFO L168 Benchmark]: RCFGBuilder took 192.07 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 55.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:34,045 INFO L168 Benchmark]: BuchiAutomizer took 9499.09 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 55.0 MB in the beginning and 90.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:34,046 INFO L168 Benchmark]: Witness Printer took 5.70 ms. Allocated memory is still 159.4 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:34,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.57 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 65.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 24.55 ms. Allocated memory is still 86.0 MB. Free memory was 65.5 MB in the beginning and 64.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.27 ms. Allocated memory is still 86.0 MB. Free memory was 64.1 MB in the beginning and 63.4 MB in the end (delta: 705.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 192.07 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 55.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9499.09 ms. Allocated memory was 86.0 MB in the beginning and 159.4 MB in the end (delta: 73.4 MB). Free memory was 55.0 MB in the beginning and 90.8 MB in the end (delta: -35.8 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.70 ms. Allocated memory is still 159.4 MB. Free memory is still 90.8 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital63 mio100 ax100 hnf100 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp87 dnf299 smp50 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 515ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...