./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a --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 fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:15:52,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:15:52,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:15:52,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:15:52,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:15:52,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:15:52,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:15:52,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:15:52,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:15:52,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:15:52,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:15:52,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:15:52,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:15:52,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:15:52,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:15:52,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:15:52,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:15:52,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:15:52,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:15:52,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:15:52,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:15:52,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:15:52,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:15:52,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:15:52,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:15:52,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:15:52,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:15:52,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:15:52,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:15:52,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:15:52,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:15:52,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:15:52,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:15:52,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:15:52,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:15:52,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:15:52,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:15:52,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:15:52,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:15:52,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:15:52,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:15:52,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 09:15:52,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:15:52,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:15:52,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:15:52,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:15:52,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:15:52,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:15:52,873 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:15:52,873 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 09:15:52,873 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 09:15:52,874 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 09:15:52,875 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 09:15:52,875 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 09:15:52,875 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 09:15:52,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:15:52,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:15:52,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:15:52,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:15:52,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 09:15:52,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 09:15:52,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 09:15:52,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:15:52,877 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 09:15:52,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:15:52,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 09:15:52,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:15:52,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:15:52,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:15:52,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:15:52,881 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 09:15:52,881 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_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2022-11-21 09:15:53,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:15:53,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:15:53,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:15:53,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:15:53,283 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:15:53,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-11-21 09:15:56,308 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:15:56,479 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:15:56,479 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-11-21 09:15:56,488 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/data/3f5923b2f/6b836f69518d4312a357cfd3316148b0/FLAGabc4e4b77 [2022-11-21 09:15:56,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/data/3f5923b2f/6b836f69518d4312a357cfd3316148b0 [2022-11-21 09:15:56,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:15:56,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:15:56,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:15:56,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:15:56,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:15:56,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1125f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56, skipping insertion in model container [2022-11-21 09:15:56,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:15:56,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:15:56,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:15:56,753 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:15:56,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:15:56,784 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:15:56,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56 WrapperNode [2022-11-21 09:15:56,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:15:56,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:15:56,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:15:56,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:15:56,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,817 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-21 09:15:56,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:15:56,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:15:56,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:15:56,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:15:56,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:15:56,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:15:56,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:15:56,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:15:56,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (1/1) ... [2022-11-21 09:15:56,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:56,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:56,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:56,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 09:15:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:15:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:15:56,966 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:15:56,969 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:15:57,093 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:15:57,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:15:57,100 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 09:15:57,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:57 BoogieIcfgContainer [2022-11-21 09:15:57,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:15:57,106 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 09:15:57,106 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 09:15:57,110 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 09:15:57,110 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:15:57,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 09:15:56" (1/3) ... [2022-11-21 09:15:57,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2343ac82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:15:57, skipping insertion in model container [2022-11-21 09:15:57,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:15:57,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:15:56" (2/3) ... [2022-11-21 09:15:57,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2343ac82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:15:57, skipping insertion in model container [2022-11-21 09:15:57,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 09:15:57,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:57" (3/3) ... [2022-11-21 09:15:57,144 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2022-11-21 09:15:57,222 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 09:15:57,222 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 09:15:57,222 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 09:15:57,222 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 09:15:57,222 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 09:15:57,222 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 09:15:57,223 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 09:15:57,223 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 09:15:57,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:57,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:15:57,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:15:57,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:15:57,312 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 09:15:57,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:15:57,313 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 09:15:57,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:57,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:15:57,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:15:57,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:15:57,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 09:15:57,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:15:57,334 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2022-11-21 09:15:57,335 INFO L750 eck$LassoCheckResult]: Loop: 6#L16-2true assume !!(main_~y~0#1 > 1); 2#L16true assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 6#L16-2true [2022-11-21 09:15:57,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:57,346 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-21 09:15:57,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:57,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337524273] [2022-11-21 09:15:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:57,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:57,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:57,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2022-11-21 09:15:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:57,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227068221] [2022-11-21 09:15:57,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:57,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:57,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:57,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:57,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:57,554 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2022-11-21 09:15:57,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:57,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352227064] [2022-11-21 09:15:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:57,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:57,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:57,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:57,743 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:15:57,744 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:15:57,744 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:15:57,744 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:15:57,745 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:15:57,745 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:57,745 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:15:57,745 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:15:57,745 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-11-21 09:15:57,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:15:57,746 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:15:57,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:15:57,917 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:15:57,917 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:15:57,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:57,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:57,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:57,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:15:57,940 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:15:57,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 09:15:57,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:57,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:57,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:58,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:15:58,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:15:58,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 09:15:58,058 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:15:58,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:58,072 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:15:58,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:15:58,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:15:58,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:15:58,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:15:58,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:58,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:15:58,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:15:58,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-11-21 09:15:58,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:15:58,074 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:15:58,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:15:58,205 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:15:58,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:15:58,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:58,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:58,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:58,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:15:58,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 09:15:58,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:15:58,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:15:58,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:15:58,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:15:58,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:15:58,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:15:58,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:15:58,275 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:15:58,282 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:15:58,282 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 09:15:58,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:58,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:58,322 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:58,329 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:15:58,329 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:15:58,330 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:15:58,331 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-21 09:15:58,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 09:15:58,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:58,342 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:15:58,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:58,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:15:58,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:15:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:58,399 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:15:58,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:15:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:58,487 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:15:58,490 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:58,562 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 8 states. [2022-11-21 09:15:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 09:15:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-21 09:15:58,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-21 09:15:58,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:15:58,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-21 09:15:58,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:15:58,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-21 09:15:58,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:15:58,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-11-21 09:15:58,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:15:58,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 12 transitions. [2022-11-21 09:15:58,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-21 09:15:58,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-21 09:15:58,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-11-21 09:15:58,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:15:58,592 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-21 09:15:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-11-21 09:15:58,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-21 09:15:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-11-21 09:15:58,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-21 09:15:58,624 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-11-21 09:15:58,624 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 09:15:58,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-11-21 09:15:58,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:15:58,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:15:58,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:15:58,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 09:15:58,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:15:58,628 INFO L748 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 84#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 86#L14 assume !(main_~y~0#1 >= 113383); 87#L16-2 assume !!(main_~y~0#1 > 1); 79#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 80#L16-2 [2022-11-21 09:15:58,628 INFO L750 eck$LassoCheckResult]: Loop: 80#L16-2 assume !!(main_~y~0#1 > 1); 85#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 80#L16-2 [2022-11-21 09:15:58,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:58,630 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2022-11-21 09:15:58,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:58,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844347143] [2022-11-21 09:15:58,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:58,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:58,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:58,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:58,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:58,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2022-11-21 09:15:58,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:58,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744264089] [2022-11-21 09:15:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:58,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:58,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:58,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:58,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:58,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2022-11-21 09:15:58,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:58,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967495448] [2022-11-21 09:15:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:58,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:58,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:58,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:58,794 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:15:58,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:15:58,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:15:58,795 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:15:58,795 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:15:58,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:58,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:15:58,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:15:58,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-11-21 09:15:58,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:15:58,796 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:15:58,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:15:58,888 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:15:58,889 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:15:58,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:58,891 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:58,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 09:15:58,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:15:58,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:15:58,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:58,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:58,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:58,945 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:58,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 09:15:58,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:15:58,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:15:59,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:15:59,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:59,018 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:15:59,018 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:15:59,018 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:15:59,018 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:15:59,018 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:15:59,018 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,019 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:15:59,019 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:15:59,019 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-11-21 09:15:59,019 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:15:59,019 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:15:59,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:15:59,107 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:15:59,107 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:15:59,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:59,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:59,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 09:15:59,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:15:59,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:15:59,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:15:59,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:15:59,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:15:59,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:15:59,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:15:59,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:15:59,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:15:59,166 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-21 09:15:59,166 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 09:15:59,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:59,174 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:59,181 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:15:59,181 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:15:59,181 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:15:59,181 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-21 09:15:59,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 09:15:59,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:59,192 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:15:59,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:59,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:15:59,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:15:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:59,228 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:15:59,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:15:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:59,244 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:15:59,245 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:59,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2022-11-21 09:15:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:15:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-21 09:15:59,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-21 09:15:59,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:15:59,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 09:15:59,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:15:59,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-21 09:15:59,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:15:59,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-11-21 09:15:59,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:15:59,264 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-11-21 09:15:59,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-21 09:15:59,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-21 09:15:59,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-21 09:15:59,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:15:59,265 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-21 09:15:59,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-21 09:15:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-21 09:15:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:15:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-21 09:15:59,267 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-21 09:15:59,267 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-21 09:15:59,267 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 09:15:59,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-21 09:15:59,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-21 09:15:59,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:15:59,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:15:59,269 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2022-11-21 09:15:59,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-21 09:15:59,269 INFO L748 eck$LassoCheckResult]: Stem: 146#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 150#L14 assume !(main_~y~0#1 >= 113383); 151#L16-2 assume !!(main_~y~0#1 > 1); 142#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 143#L16-2 assume !!(main_~y~0#1 > 1); 152#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 148#L16-2 [2022-11-21 09:15:59,270 INFO L750 eck$LassoCheckResult]: Loop: 148#L16-2 assume !!(main_~y~0#1 > 1); 149#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 148#L16-2 [2022-11-21 09:15:59,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2022-11-21 09:15:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:59,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660321875] [2022-11-21 09:15:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:15:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:15:59,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:15:59,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660321875] [2022-11-21 09:15:59,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660321875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:15:59,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:15:59,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:15:59,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773724832] [2022-11-21 09:15:59,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:15:59,560 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 09:15:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:15:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2022-11-21 09:15:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:15:59,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095568466] [2022-11-21 09:15:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:15:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:15:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:59,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:15:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:15:59,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:15:59,601 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:15:59,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:15:59,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:15:59,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:15:59,602 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:15:59,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:15:59,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:15:59,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-11-21 09:15:59,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:15:59,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:15:59,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:15:59,684 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:15:59,685 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:15:59,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:59,686 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:59,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 09:15:59,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:15:59,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:15:59,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-21 09:15:59,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:59,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:59,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:59,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:59,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:15:59,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:15:59,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 09:15:59,845 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:15:59,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 09:15:59,851 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:15:59,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:15:59,851 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:15:59,851 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:15:59,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:15:59,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:15:59,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:15:59,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-11-21 09:15:59,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:15:59,852 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:15:59,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:15:59,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:15:59,981 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:15:59,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:15:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:15:59,983 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:15:59,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 09:16:00,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:00,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:00,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:00,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:00,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:00,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:00,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:00,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 09:16:00,021 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 09:16:00,021 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 09:16:00,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:00,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:00,023 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:00,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 09:16:00,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 09:16:00,031 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 09:16:00,032 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 09:16:00,032 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-21 09:16:00,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:00,041 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 09:16:00,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:16:00,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,092 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:16:00,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:16:00,113 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:16:00,113 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,132 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 5 states. [2022-11-21 09:16:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:16:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-21 09:16:00,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 09:16:00,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:16:00,135 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:16:00,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:16:00,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,179 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:16:00,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:16:00,198 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:16:00,199 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,217 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 22 transitions. Complement of second has 5 states. [2022-11-21 09:16:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:16:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-21 09:16:00,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 09:16:00,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:16:00,221 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 09:16:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:16:00,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:16:00,267 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:16:00,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:16:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:16:00,283 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 09:16:00,284 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,301 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 25 transitions. Complement of second has 4 states. [2022-11-21 09:16:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 09:16:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-11-21 09:16:00,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-21 09:16:00,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:16:00,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-21 09:16:00,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:16:00,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-21 09:16:00,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 09:16:00,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2022-11-21 09:16:00,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 09:16:00,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2022-11-21 09:16:00,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-21 09:16:00,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-21 09:16:00,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-11-21 09:16:00,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:16:00,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-21 09:16:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-11-21 09:16:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2022-11-21 09:16:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-11-21 09:16:00,316 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-21 09:16:00,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:16:00,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:16:00,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:16:00,323 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:16:00,355 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-11-21 09:16:00,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-11-21 09:16:00,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-21 09:16:00,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2022-11-21 09:16:00,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-21 09:16:00,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-21 09:16:00,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-11-21 09:16:00,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 09:16:00,358 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-21 09:16:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-11-21 09:16:00,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-21 09:16:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:16:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-11-21 09:16:00,360 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-21 09:16:00,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:16:00,362 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-11-21 09:16:00,362 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 09:16:00,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-11-21 09:16:00,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 09:16:00,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 09:16:00,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 09:16:00,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 09:16:00,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-11-21 09:16:00,364 INFO L748 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-21 09:16:00,364 INFO L750 eck$LassoCheckResult]: Loop: 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-21 09:16:00,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:00,365 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-11-21 09:16:00,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:00,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152559643] [2022-11-21 09:16:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:00,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:16:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:00,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:16:00,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:00,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2022-11-21 09:16:00,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:00,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726026737] [2022-11-21 09:16:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:00,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:16:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:00,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:16:00,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:00,401 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2022-11-21 09:16:00,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:00,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213407357] [2022-11-21 09:16:00,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:00,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:00,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:16:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:00,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:16:00,513 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:00,514 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:00,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:00,514 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:00,514 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:16:00,514 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:00,514 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:00,514 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:00,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-21 09:16:00,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:00,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:00,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:00,682 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:00,683 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:16:00,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:00,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:00,684 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:00,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 09:16:00,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:16:00,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:00,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:00,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:00,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:00,745 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:00,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 09:16:00,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:16:00,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:00,866 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-21 09:16:00,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:00,873 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:00,873 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:00,873 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:00,873 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:00,873 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:16:00,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:00,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:00,874 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:00,874 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-21 09:16:00,874 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:00,874 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:00,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:01,000 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:01,000 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:16:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,002 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 09:16:01,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:01,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:01,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:01,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,118 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 09:16:01,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,120 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 09:16:01,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:01,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,145 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:01,149 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:01,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,170 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-21 09:16:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,172 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 09:16:01,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:01,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,197 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:01,201 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:01,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,223 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-21 09:16:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,235 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 09:16:01,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:01,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,289 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:01,303 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:01,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,332 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-21 09:16:01,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,333 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 09:16:01,353 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:01,354 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:01,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,354 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:01,373 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:01,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,396 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-21 09:16:01,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,398 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 09:16:01,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:01,425 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:01,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,426 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:01,431 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:01,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,458 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-21 09:16:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,460 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 09:16:01,485 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:01,486 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:01,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,486 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:01,500 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:01,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,551 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-21 09:16:01,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,553 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 09:16:01,574 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:01,574 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:01,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,575 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:01,580 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:01,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,603 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-21 09:16:01,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,606 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 09:16:01,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:01,628 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:01,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:01,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:01,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:01,629 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:01,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:01,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:01,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:01,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,689 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:01,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:01,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:01,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:01,689 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:16:01,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,690 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:01,690 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:01,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-21 09:16:01,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:01,690 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:01,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:01,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:01,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:01,854 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:01,854 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:16:01,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,855 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 09:16:01,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:16:01,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:01,892 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 09:16:01,892 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 09:16:01,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,901 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:16:01,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:01,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 09:16:01,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:01,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:01,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:01,978 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:01,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:16:01,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:02,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 09:16:06,197 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 09:16:06,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,207 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:06,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:06,208 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:06,208 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:06,208 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:16:06,208 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:06,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:06,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-21 09:16:06,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:06,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:06,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:06,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:06,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:06,382 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:06,383 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:16:06,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,386 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:06,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:06,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 09:16:06,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-21 09:16:06,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,426 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 09:16:06,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:06,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:06,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-21 09:16:06,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,449 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 09:16:06,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:06,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:06,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:16:06,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,526 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 09:16:06,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,528 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,553 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:06,555 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:06,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 09:16:06,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,577 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 09:16:06,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,596 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:06,597 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:06,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,626 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 09:16:06,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,647 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:06,657 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 09:16:06,657 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 09:16:06,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,696 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-21 09:16:06,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,697 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 09:16:06,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,718 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:06,719 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:06,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,749 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 09:16:06,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,773 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:06,774 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:06,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,813 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,830 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:06,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 09:16:06,842 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:16:06,842 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:16:06,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,876 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-21 09:16:06,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,878 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 09:16:06,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,898 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:06,899 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:06,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,927 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 09:16:06,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:06,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,944 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:06,945 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:06,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:06,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:06,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:06,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:06,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:06,968 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:06,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:06,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 09:16:06,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:06,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:06,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:06,988 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:07,010 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-21 09:16:07,010 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-21 09:16:07,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,046 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-21 09:16:07,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,047 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 09:16:07,065 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,065 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:07,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,065 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:07,067 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:07,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,092 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 09:16:07,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,109 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:07,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:07,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:07,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,145 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,162 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,162 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:07,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,163 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:07,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 09:16:07,171 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 09:16:07,171 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 09:16:07,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,199 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-21 09:16:07,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,200 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,217 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:07,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:07,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-21 09:16:07,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:07,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,240 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,259 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,259 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:07,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,260 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:07,261 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:07,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-21 09:16:07,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,278 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-21 09:16:07,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,296 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:07,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,296 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:07,306 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:16:07,306 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:16:07,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-21 09:16:07,345 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-21 09:16:07,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,346 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-21 09:16:07,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:07,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,361 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:07,364 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:07,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-21 09:16:07,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,396 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-21 09:16:07,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,410 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,410 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:07,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,410 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:07,412 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:07,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,444 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-21 09:16:07,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,462 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,463 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:07,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,463 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:07,475 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-21 09:16:07,475 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-21 09:16:07,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-21 09:16:07,557 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-21 09:16:07,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,559 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-21 09:16:07,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,572 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:07,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,572 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:07,579 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:07,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-21 09:16:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,587 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-21 09:16:07,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,602 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,603 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:07,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:07,604 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:07,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,632 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-21 09:16:07,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,646 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:07,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,647 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:07,666 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:16:07,666 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:16:07,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,699 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-21 09:16:07,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,702 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-21 09:16:07,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,718 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,718 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:07,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,719 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:07,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:07,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,745 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-21 09:16:07,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,766 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:07,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:07,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,767 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:07,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:07,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:07,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:07,775 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:07,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-21 09:16:07,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:07,788 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:07,788 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:07,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:07,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:07,789 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:07,802 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-21 09:16:07,802 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-21 09:16:07,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:07,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:07,850 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-11-21 09:16:07,851 INFO L748 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-21 09:16:07,851 INFO L750 eck$LassoCheckResult]: Loop: 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-11-21 09:16:07,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:07,851 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2022-11-21 09:16:07,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:07,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90044823] [2022-11-21 09:16:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:07,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:07,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:16:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:07,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:16:07,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:07,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2022-11-21 09:16:07,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:07,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852375891] [2022-11-21 09:16:07,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:07,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:07,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:16:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:07,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:16:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:16:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2022-11-21 09:16:07,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:16:07,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649261499] [2022-11-21 09:16:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:16:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:16:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:07,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:16:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:16:07,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:16:07,954 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:07,955 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:07,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:07,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:07,955 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:16:07,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:07,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:07,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:07,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-21 09:16:07,956 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:07,956 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:07,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:08,038 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:08,039 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:16:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,043 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:16:08,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:08,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-21 09:16:08,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,100 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:16:08,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:08,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-21 09:16:08,171 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-21 09:16:08,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,175 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:08,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:08,175 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:08,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:08,175 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:16:08,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:08,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:08,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-11-21 09:16:08,175 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:08,175 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:08,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:08,278 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:08,278 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:16:08,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,280 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-21 09:16:08,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:08,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:08,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:08,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,360 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 09:16:08,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,362 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:08,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,380 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:08,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-21 09:16:08,386 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:08,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-21 09:16:08,405 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-21 09:16:08,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,406 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-21 09:16:08,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:08,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,420 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:08,423 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:08,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-21 09:16:08,431 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-21 09:16:08,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,432 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-21 09:16:08,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:08,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,445 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:08,458 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:08,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-21 09:16:08,471 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-21 09:16:08,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,472 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:08,489 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:08,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,489 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:08,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-21 09:16:08,492 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:08,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,515 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-21 09:16:08,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,516 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-21 09:16:08,534 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:08,535 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:08,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,535 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:08,539 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:08,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,557 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-21 09:16:08,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,558 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-21 09:16:08,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:08,572 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:08,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,572 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:08,577 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:08,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,607 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-21 09:16:08,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,608 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:08,628 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:08,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:08,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-21 09:16:08,632 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:08,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,654 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-21 09:16:08,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:08,656 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:08,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:08,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-21 09:16:08,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:08,678 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:08,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:08,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:08,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:08,678 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:08,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:08,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:08,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:08,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:08,814 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:08,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:08,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:08,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:08,814 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 09:16:08,815 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:08,815 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:08,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:08,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-21 09:16:08,815 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:08,815 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:08,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:08,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:08,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:09,007 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:09,007 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 09:16:09,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:09,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:09,009 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:09,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 09:16:09,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:09,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-21 09:16:09,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:09,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:09,092 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:09,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 09:16:09,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 09:16:09,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-21 09:16:09,891 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-21 09:16:09,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-21 09:16:09,896 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 09:16:09,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 09:16:09,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 09:16:09,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 09:16:09,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 09:16:09,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:09,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 09:16:09,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 09:16:09,897 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-11-21 09:16:09,897 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 09:16:09,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 09:16:09,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:09,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:09,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 09:16:10,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 09:16:10,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 09:16:10,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,135 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-21 09:16:10,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:10,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:10,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,171 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-21 09:16:10,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:10,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:10,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 09:16:10,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,221 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-21 09:16:10,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 09:16:10,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 09:16:10,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,252 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 09:16:10,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,254 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-21 09:16:10,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,275 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:10,276 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:10,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,305 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-21 09:16:10,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,325 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:10,333 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 09:16:10,333 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 09:16:10,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,360 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-21 09:16:10,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,376 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:10,377 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:10,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,400 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-21 09:16:10,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,402 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-21 09:16:10,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,421 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:10,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:10,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,451 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-21 09:16:10,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,469 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:10,478 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:16:10,479 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:16:10,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,510 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,527 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:10,527 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:10,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-21 09:16:10,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,550 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-21 09:16:10,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,552 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-21 09:16:10,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,569 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:10,570 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:10,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,589 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,606 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:10,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-21 09:16:10,622 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-21 09:16:10,623 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-21 09:16:10,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,666 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 09:16:10,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,683 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-21 09:16:10,684 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:10,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,702 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-21 09:16:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,704 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:10,720 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:10,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,721 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:10,722 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:10,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-21 09:16:10,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-21 09:16:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,736 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-21 09:16:10,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:10,750 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:10,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,751 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:10,762 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 09:16:10,762 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 09:16:10,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,798 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-21 09:16:10,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,812 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:10,812 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:10,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,813 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 09:16:10,813 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 09:16:10,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,844 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-21 09:16:10,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,845 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-21 09:16:10,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:10,858 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:10,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:10,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:10,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:10,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:10,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,893 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-21 09:16:10,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:10,914 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:10,914 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:10,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:10,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:10,914 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:10,928 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:16:10,928 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:16:10,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:10,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:10,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:10,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:10,984 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:10,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-21 09:16:11,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,005 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 09:16:11,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:11,006 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:11,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,033 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-21 09:16:11,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,034 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-21 09:16:11,052 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,052 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:11,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,053 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:11,054 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:11,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,068 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-21 09:16:11,085 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,085 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:11,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,085 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:11,107 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-21 09:16:11,107 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-21 09:16:11,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-21 09:16:11,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,205 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-21 09:16:11,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,217 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:11,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,217 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 09:16:11,218 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 09:16:11,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-11-21 09:16:11,228 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-21 09:16:11,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,229 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-21 09:16:11,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,242 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:11,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,243 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:11,244 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:11,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-11-21 09:16:11,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,250 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-21 09:16:11,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,262 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:11,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,263 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:11,271 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 09:16:11,271 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 09:16:11,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,310 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-21 09:16:11,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,323 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,323 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 09:16:11,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 09:16:11,324 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 09:16:11,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,330 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-21 09:16:11,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,331 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-21 09:16:11,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,344 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:11,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,344 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:11,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:11,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,358 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-21 09:16:11,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,378 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:11,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,378 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:11,390 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-21 09:16:11,390 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-21 09:16:11,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 09:16:11,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:16:11,436 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 09:16:11,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-21 09:16:11,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 09:16:11,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 09:16:11,449 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 09:16:11,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 09:16:11,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 09:16:11,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 09:16:11,449 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 09:16:11,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 09:16:11,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 09:16:11,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 09:16:11,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-21 09:16:11,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 09:16:11 BoogieIcfgContainer [2022-11-21 09:16:11,462 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 09:16:11,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:16:11,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:16:11,463 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:16:11,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:15:57" (3/4) ... [2022-11-21 09:16:11,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:16:11,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:16:11,465 INFO L158 Benchmark]: Toolchain (without parser) took 14947.57ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 71.1MB in the beginning and 123.5MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:16:11,466 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:16:11,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.38ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 62.0MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:16:11,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.53ms. Allocated memory is still 138.4MB. Free memory was 62.0MB in the beginning and 60.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:16:11,466 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 138.4MB. Free memory was 60.5MB in the beginning and 59.5MB in the end (delta: 935.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:16:11,467 INFO L158 Benchmark]: RCFGBuilder took 265.88ms. Allocated memory is still 138.4MB. Free memory was 59.5MB in the beginning and 50.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:16:11,467 INFO L158 Benchmark]: BuchiAutomizer took 14356.28ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 50.3MB in the beginning and 123.5MB in the end (delta: -73.1MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-11-21 09:16:11,467 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 182.5MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:16:11,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.38ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 62.0MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.53ms. Allocated memory is still 138.4MB. Free memory was 62.0MB in the beginning and 60.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 138.4MB. Free memory was 60.5MB in the beginning and 59.5MB in the end (delta: 935.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 265.88ms. Allocated memory is still 138.4MB. Free memory was 59.5MB in the beginning and 50.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 14356.28ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 50.3MB in the beginning and 123.5MB in the end (delta: -73.1MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 182.5MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 13.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 39 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div527 bol100 ite100 ukn100 eq125 hnf96 smp32 dnf100 smp100 tf104 neg99 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 74ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 1.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume !!(main_~y~0#1 > 1);" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" Loop: "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-21 09:16:11,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015a3948-7bf9-42f7-be96-571ca9ba5f68/bin/uautomizer-vX5HgA9Q3a/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