./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU --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 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:09:17,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:09:17,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:09:17,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:09:17,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:09:17,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:09:17,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:09:17,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:09:17,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:09:17,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:09:17,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:09:17,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:09:17,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:09:17,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:09:17,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:09:17,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:09:17,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:09:17,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:09:17,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:09:17,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:09:17,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:09:17,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:09:17,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:09:17,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:09:17,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:09:17,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:09:17,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:09:17,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:09:17,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:09:17,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:09:17,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:09:17,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:09:17,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:09:17,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:09:17,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:09:17,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:09:17,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:09:17,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:09:17,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:09:17,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:09:17,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:09:17,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-02 22:09:17,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:09:17,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:09:17,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:09:17,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:09:17,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:09:17,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:09:17,871 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:09:17,871 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:09:17,872 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:09:17,872 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:09:17,873 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:09:17,874 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:09:17,874 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:09:17,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:09:17,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:09:17,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:09:17,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:09:17,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:09:17,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:09:17,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:09:17,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:09:17,877 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:09:17,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:09:17,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:09:17,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:09:17,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:09:17,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:09:17,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:09:17,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:09:17,883 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:09:17,883 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_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 424cde395b70ff3d0446987dbcbb3aeecf97692a0011a6b2d4755a86aacf6e33 [2021-11-02 22:09:18,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:09:18,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:09:18,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:09:18,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:09:18,372 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:09:18,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2021-11-02 22:09:18,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/data/a31fe1f77/24a2af275e014b26b538e41a5dbe6a84/FLAG0487d84dd [2021-11-02 22:09:19,044 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:09:19,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2021-11-02 22:09:19,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/data/a31fe1f77/24a2af275e014b26b538e41a5dbe6a84/FLAG0487d84dd [2021-11-02 22:09:19,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/data/a31fe1f77/24a2af275e014b26b538e41a5dbe6a84 [2021-11-02 22:09:19,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:09:19,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:09:19,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:09:19,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:09:19,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:09:19,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:19,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514e1ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19, skipping insertion in model container [2021-11-02 22:09:19,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:19,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:09:19,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:09:19,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:09:19,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:09:19,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:09:19,984 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:09:19,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19 WrapperNode [2021-11-02 22:09:19,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:09:19,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:09:19,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:09:19,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:09:19,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:09:20,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:09:20,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:09:20,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:09:20,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:09:20,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:09:20,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:09:20,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:09:20,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (1/1) ... [2021-11-02 22:09:20,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:20,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:20,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:20,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:09:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:09:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:09:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:09:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:09:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:09:20,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:09:20,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:09:20,644 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-02 22:09:20,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:09:20 BoogieIcfgContainer [2021-11-02 22:09:20,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:09:20,648 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:09:20,649 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:09:20,653 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:09:20,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:09:20,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:09:19" (1/3) ... [2021-11-02 22:09:20,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78b21a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:09:20, skipping insertion in model container [2021-11-02 22:09:20,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:09:20,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:19" (2/3) ... [2021-11-02 22:09:20,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78b21a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:09:20, skipping insertion in model container [2021-11-02 22:09:20,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:09:20,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:09:20" (3/3) ... [2021-11-02 22:09:20,675 INFO L389 chiAutomizerObserver]: Analyzing ICFG min_rf-alloca.i [2021-11-02 22:09:20,773 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:09:20,773 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:09:20,773 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:09:20,773 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:09:20,774 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:09:20,774 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:09:20,774 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:09:20,774 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:09:20,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:20,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:09:20,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:20,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:20,836 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:09:20,836 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:09:20,836 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:09:20,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:20,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:09:20,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:20,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:20,839 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:09:20,839 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:09:20,848 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 8#L556-1true [2021-11-02 22:09:20,849 INFO L793 eck$LassoCheckResult]: Loop: 8#L556-1true call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 11#L553-1true assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 6#L553-3true assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 13#L554true assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 7#L554-2true assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 8#L556-1true [2021-11-02 22:09:20,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-02 22:09:20,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:20,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251401197] [2021-11-02 22:09:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:20,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:21,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:21,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:21,129 INFO L85 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 1 times [2021-11-02 22:09:21,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:21,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743547613] [2021-11-02 22:09:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:21,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:21,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:21,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:21,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:21,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849170, now seen corresponding path program 1 times [2021-11-02 22:09:21,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:21,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577966875] [2021-11-02 22:09:21,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:21,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:21,268 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:21,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:22,766 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:09:22,767 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:09:22,767 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:09:22,767 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:09:22,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:09:22,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:22,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:09:22,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:09:22,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration1_Lasso [2021-11-02 22:09:22,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:09:22,769 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:09:22,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:22,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:23,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:23,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:23,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:23,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:23,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:23,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:24,099 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:09:24,104 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:09:24,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:09:24,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:09:24,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-11-02 22:09:24,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:09:24,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:09:24,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:09:24,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:09:24,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-02 22:09:24,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,514 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 [2021-11-02 22:09:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:09:24,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-02 22:09:24,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,551 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:09:24,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,599 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:09:24,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:24,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:24,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,654 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:09:24,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,730 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:09:24,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,820 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:09:24,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,875 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:09:24,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:24,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:24,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:24,941 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:24,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:24,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:24,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:24,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:24,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:24,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:24,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:24,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:24,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:09:24,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,022 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:25,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:25,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:25,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:09:25,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,107 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:09:25,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:25,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:25,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:25,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,153 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:09:25,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,221 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:09:25,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,286 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:09:25,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:25,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:25,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:25,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,331 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:09:25,333 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 [2021-11-02 22:09:25,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:25,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,343 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:09:25,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:09:25,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:25,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,376 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 22:09:25,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-02 22:09:25,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,426 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 22:09:25,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,487 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 22:09:25,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,530 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 22:09:25,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:09:25,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:25,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,616 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 22:09:25,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:09:25,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:25,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:25,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:25,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:25,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:09:25,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:09:25,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:09:25,697 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-02 22:09:25,697 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-02 22:09:25,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:25,701 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:25,726 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:09:25,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 22:09:25,758 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:09:25,759 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:09:25,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2021-11-02 22:09:25,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:26,011 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:09:26,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:26,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-02 22:09:26,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:09:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:26,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-02 22:09:26,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:09:26,555 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:09:26,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-11-02 22:09:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:09:26,658 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-11-02 22:09:26,660 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:26,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:26,874 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 33 states and 46 transitions. Complement of second has 14 states. [2021-11-02 22:09:26,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-11-02 22:09:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. [2021-11-02 22:09:26,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 5 letters. [2021-11-02 22:09:26,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:09:26,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2021-11-02 22:09:26,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:09:26,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 10 letters. [2021-11-02 22:09:26,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:09:26,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2021-11-02 22:09:26,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:09:26,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 20 states and 29 transitions. [2021-11-02 22:09:26,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-02 22:09:26,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-02 22:09:26,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-11-02 22:09:26,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:09:26,892 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-11-02 22:09:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-11-02 22:09:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-11-02 22:09:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-11-02 22:09:26,921 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-11-02 22:09:26,922 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-11-02 22:09:26,922 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:09:26,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2021-11-02 22:09:26,923 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:09:26,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:26,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:26,924 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:09:26,924 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:09:26,924 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 220#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 218#L553-1 assume !main_#t~short9; 219#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 222#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 221#L554-2 [2021-11-02 22:09:26,924 INFO L793 eck$LassoCheckResult]: Loop: 221#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 213#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 216#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 208#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 209#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 221#L554-2 [2021-11-02 22:09:26,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:26,925 INFO L85 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2021-11-02 22:09:26,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:26,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455706670] [2021-11-02 22:09:26,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:26,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:09:26,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:09:26,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455706670] [2021-11-02 22:09:26,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455706670] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:09:26,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:09:26,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:09:26,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593460440] [2021-11-02 22:09:26,992 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:09:26,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:26,993 INFO L85 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 2 times [2021-11-02 22:09:26,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:26,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056565421] [2021-11-02 22:09:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:26,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:27,036 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:27,085 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:27,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:09:27,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:09:27,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:09:27,689 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:09:27,715 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-11-02 22:09:27,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:09:27,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-11-02 22:09:27,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:09:27,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 22 transitions. [2021-11-02 22:09:27,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-02 22:09:27,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-02 22:09:27,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-11-02 22:09:27,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:09:27,724 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-02 22:09:27,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-11-02 22:09:27,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-02 22:09:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-02 22:09:27,730 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-02 22:09:27,730 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-02 22:09:27,730 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 22:09:27,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-11-02 22:09:27,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:09:27,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:27,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:27,733 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:09:27,733 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:09:27,734 INFO L791 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 250#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 262#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 261#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 265#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 264#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 263#L554-2 [2021-11-02 22:09:27,734 INFO L793 eck$LassoCheckResult]: Loop: 263#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 256#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 259#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 251#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 252#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 263#L554-2 [2021-11-02 22:09:27,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:27,735 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2021-11-02 22:09:27,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:27,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825371225] [2021-11-02 22:09:27,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:27,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:27,791 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:27,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:27,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:27,827 INFO L85 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 3 times [2021-11-02 22:09:27,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:27,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631438336] [2021-11-02 22:09:27,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:27,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:27,849 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:27,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:27,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash -304168138, now seen corresponding path program 1 times [2021-11-02 22:09:27,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:27,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041484595] [2021-11-02 22:09:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:27,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:09:28,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:09:28,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041484595] [2021-11-02 22:09:28,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041484595] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:09:28,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859341640] [2021-11-02 22:09:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:28,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:09:28,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:28,262 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:09:28,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-02 22:09:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:28,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-02 22:09:28,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:09:28,421 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-02 22:09:28,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 27 [2021-11-02 22:09:28,451 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-02 22:09:28,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:09:28,747 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-02 22:09:28,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2021-11-02 22:09:28,765 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-02 22:09:28,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2021-11-02 22:09:28,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:09:29,565 INFO L354 Elim1Store]: treesize reduction 800, result has 23.0 percent of original size [2021-11-02 22:09:29,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 10 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 4611 treesize of output 897 [2021-11-02 22:09:30,016 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-02 22:09:30,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2021-11-02 22:09:30,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-11-02 22:09:31,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:31,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 49 [2021-11-02 22:09:31,828 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:31,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2021-11-02 22:09:31,885 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:31,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2021-11-02 22:09:31,941 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:31,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 300 treesize of output 232 [2021-11-02 22:09:31,976 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:31,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 311 [2021-11-02 22:09:32,151 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:32,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 52 [2021-11-02 22:09:32,205 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:09:32,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2021-11-02 22:09:32,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-11-02 22:09:32,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-02 22:09:32,689 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-02 22:09:32,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 50 [2021-11-02 22:09:45,283 INFO L354 Elim1Store]: treesize reduction 48, result has 26.2 percent of original size [2021-11-02 22:09:45,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 60 [2021-11-02 22:09:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:09:45,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859341640] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:09:45,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:09:45,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-11-02 22:09:45,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357860731] [2021-11-02 22:09:45,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:09:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-02 22:09:45,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=147, Unknown=1, NotChecked=0, Total=182 [2021-11-02 22:09:45,945 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:09:58,676 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-11-02 22:09:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-02 22:09:58,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-11-02 22:09:58,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-11-02 22:09:58,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2021-11-02 22:09:58,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-02 22:09:58,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-02 22:09:58,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-11-02 22:09:58,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:09:58,681 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-11-02 22:09:58,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-11-02 22:09:58,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-02 22:09:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-02 22:09:58,684 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-02 22:09:58,685 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-02 22:09:58,685 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 22:09:58,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-11-02 22:09:58,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-02 22:09:58,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:58,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:58,687 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:09:58,687 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:09:58,687 INFO L791 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 357#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 370#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 369#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 376#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 374#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 371#L554-2 [2021-11-02 22:09:58,687 INFO L793 eck$LassoCheckResult]: Loop: 371#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 363#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 377#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 375#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 372#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 371#L554-2 [2021-11-02 22:09:58,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 2 times [2021-11-02 22:09:58,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:58,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580737751] [2021-11-02 22:09:58,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:58,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:58,702 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:58,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:58,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:58,719 INFO L85 PathProgramCache]: Analyzing trace with hash 55629988, now seen corresponding path program 1 times [2021-11-02 22:09:58,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:58,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196167371] [2021-11-02 22:09:58,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:58,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:58,732 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:58,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:58,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:58,745 INFO L85 PathProgramCache]: Analyzing trace with hash -302321094, now seen corresponding path program 1 times [2021-11-02 22:09:58,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:58,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501963578] [2021-11-02 22:09:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:58,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:09:59,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:09:59,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501963578] [2021-11-02 22:09:59,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501963578] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:09:59,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071160202] [2021-11-02 22:09:59,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:59,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:09:59,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:59,151 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:09:59,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-02 22:09:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:59,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-02 22:09:59,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:09:59,343 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-11-02 22:09:59,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2021-11-02 22:09:59,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-02 22:09:59,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-02 22:09:59,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-02 22:09:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:09:59,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:10:00,168 INFO L354 Elim1Store]: treesize reduction 315, result has 26.7 percent of original size [2021-11-02 22:10:00,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 26 case distinctions, treesize of input 1172 treesize of output 313 [2021-11-02 22:10:00,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-11-02 22:10:00,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-11-02 22:10:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:00,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 68 [2021-11-02 22:10:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:00,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2021-11-02 22:10:00,397 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-02 22:10:00,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 47 [2021-11-02 22:10:00,727 INFO L354 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2021-11-02 22:10:00,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 35 [2021-11-02 22:10:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:00,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071160202] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:10:00,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:10:00,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2021-11-02 22:10:00,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062254972] [2021-11-02 22:10:01,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-02 22:10:01,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-11-02 22:10:01,280 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:10:14,161 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2021-11-02 22:10:14,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-02 22:10:14,162 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-11-02 22:10:14,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2021-11-02 22:10:14,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 39 transitions. [2021-11-02 22:10:14,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-02 22:10:14,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-11-02 22:10:14,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 39 transitions. [2021-11-02 22:10:14,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:14,168 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-11-02 22:10:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 39 transitions. [2021-11-02 22:10:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2021-11-02 22:10:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-11-02 22:10:14,173 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-11-02 22:10:14,173 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-11-02 22:10:14,173 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-02 22:10:14,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-11-02 22:10:14,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-11-02 22:10:14,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:14,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:14,175 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-02 22:10:14,176 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:14,176 INFO L791 eck$LassoCheckResult]: Stem: 483#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 484#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 496#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 495#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 509#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 508#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 498#L554-2 [2021-11-02 22:10:14,176 INFO L793 eck$LassoCheckResult]: Loop: 498#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 504#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 503#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 502#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 497#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 498#L554-2 [2021-11-02 22:10:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:14,177 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2021-11-02 22:10:14,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:14,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918135567] [2021-11-02 22:10:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:14,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:14,192 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:14,223 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:14,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:14,224 INFO L85 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 1 times [2021-11-02 22:10:14,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:14,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025522354] [2021-11-02 22:10:14,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:14,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:14,253 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:14,284 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:14,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:14,285 INFO L85 PathProgramCache]: Analyzing trace with hash -304168136, now seen corresponding path program 1 times [2021-11-02 22:10:14,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:14,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170936661] [2021-11-02 22:10:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:14,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:14,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:14,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:15,485 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:15,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:15,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:15,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:15,485 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:15,485 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:15,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:15,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:15,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration5_Lasso [2021-11-02 22:10:15,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:15,486 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:15,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:15,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:16,516 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:16,516 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:16,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,520 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 22:10:16,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,563 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 22:10:16,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,607 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 22:10:16,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,647 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 22:10:16,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-02 22:10:16,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,711 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 22:10:16,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:16,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:16,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,755 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 22:10:16,756 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 [2021-11-02 22:10:16,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,796 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-02 22:10:16,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,841 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-02 22:10:16,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,887 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-02 22:10:16,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-02 22:10:16,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,929 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-02 22:10:16,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:16,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:16,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:16,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:16,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:16,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:16,973 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:16,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-02 22:10:16,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:16,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:16,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:16,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:16,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:16,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:16,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:16,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:16,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-02 22:10:17,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,014 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-02 22:10:17,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-02 22:10:17,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,054 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-02 22:10:17,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-02 22:10:17,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,096 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-02 22:10:17,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-02 22:10:17,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,137 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-02 22:10:17,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-02 22:10:17,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,176 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-02 22:10:17,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-02 22:10:17,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,220 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-02 22:10:17,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:17,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:17,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:17,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,271 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-02 22:10:17,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-02 22:10:17,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,311 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-02 22:10:17,313 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 [2021-11-02 22:10:17,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:17,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-02 22:10:17,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,378 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-02 22:10:17,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:17,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,389 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:10:17,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:10:17,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:17,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:17,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,439 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-02 22:10:17,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:17,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:17,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:17,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,527 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-02 22:10:17,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:17,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:17,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:17,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,590 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-02 22:10:17,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:17,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:17,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:17,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:17,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,633 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-02 22:10:17,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:17,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:17,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:17,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:17,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:17,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:17,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:17,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:17,696 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-02 22:10:17,696 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-02 22:10:17,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:17,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:17,698 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:17,702 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-02 22:10:17,725 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:10:17,725 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:17,725 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2021-11-02 22:10:17,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:17,842 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:10:17,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:17,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:17,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:17,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:18,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:10:18,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:18,119 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:10:18,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-11-02 22:10:18,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-02 22:10:19,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-11-02 22:10:21,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-11-02 22:10:22,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-11-02 22:10:22,861 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:10:22,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 72 [2021-11-02 22:10:23,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 48 [2021-11-02 22:10:23,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:10:23,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 48 [2021-11-02 22:10:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:23,770 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-11-02 22:10:23,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:23,882 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 9. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 55 transitions. Complement of second has 10 states. [2021-11-02 22:10:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-11-02 22:10:23,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 6 letters. Loop has 5 letters. [2021-11-02 22:10:23,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:23,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2021-11-02 22:10:23,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:23,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 6 letters. Loop has 10 letters. [2021-11-02 22:10:23,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:23,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 55 transitions. [2021-11-02 22:10:23,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-11-02 22:10:23,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 50 transitions. [2021-11-02 22:10:23,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-02 22:10:23,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-11-02 22:10:23,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 50 transitions. [2021-11-02 22:10:23,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:23,893 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2021-11-02 22:10:23,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 50 transitions. [2021-11-02 22:10:23,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-11-02 22:10:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 37 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2021-11-02 22:10:23,899 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2021-11-02 22:10:23,899 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 49 transitions. [2021-11-02 22:10:23,899 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-02 22:10:23,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 49 transitions. [2021-11-02 22:10:23,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-11-02 22:10:23,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:23,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:23,901 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:10:23,901 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:23,902 INFO L791 eck$LassoCheckResult]: Stem: 718#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 719#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 734#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 736#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 743#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 741#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 742#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 744#L556-1 [2021-11-02 22:10:23,902 INFO L793 eck$LassoCheckResult]: Loop: 744#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 745#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 748#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 747#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 746#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 744#L556-1 [2021-11-02 22:10:23,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849172, now seen corresponding path program 1 times [2021-11-02 22:10:23,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:23,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646430531] [2021-11-02 22:10:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:23,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:23,925 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:23,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:23,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 4 times [2021-11-02 22:10:23,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:23,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355092619] [2021-11-02 22:10:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:23,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:23,956 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:23,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1737940577, now seen corresponding path program 1 times [2021-11-02 22:10:23,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:23,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221275429] [2021-11-02 22:10:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:23,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:24,001 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:24,058 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:26,066 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:26,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:26,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:26,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:26,066 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:26,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:26,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:26,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:26,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration6_Lasso [2021-11-02 22:10:26,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:26,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:26,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:26,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:27,287 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:27,287 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:27,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,291 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-02 22:10:27,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:27,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-02 22:10:27,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,332 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-02 22:10:27,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:27,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-02 22:10:27,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,372 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-02 22:10:27,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:27,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:27,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-02 22:10:27,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,414 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-02 22:10:27,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,424 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:10:27,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,425 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:10:27,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-02 22:10:27,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,453 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-02 22:10:27,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:27,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-02 22:10:27,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,495 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-02 22:10:27,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:27,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:27,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,534 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-02 22:10:27,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:27,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:27,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,574 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-02 22:10:27,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:27,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:27,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:27,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,619 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-02 22:10:27,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:27,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:27,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:27,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:27,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-02 22:10:27,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,659 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-02 22:10:27,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:27,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:27,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:27,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:27,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:27,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:27,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:27,707 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:27,721 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-02 22:10:27,721 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-11-02 22:10:27,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:27,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:27,722 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:27,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-02 22:10:27,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:27,733 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:10:27,733 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:27,734 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2021-11-02 22:10:27,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:27,860 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:10:27,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:27,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:27,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:27,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:28,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-02 22:10:28,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:28,251 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:10:28,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-11-02 22:10:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:28,309 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-11-02 22:10:28,309 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 15 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-11-02 22:10:28,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 49 transitions. cyclomatic complexity: 15. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) Result 76 states and 97 transitions. Complement of second has 12 states. [2021-11-02 22:10:28,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2021-11-02 22:10:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-11-02 22:10:28,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2021-11-02 22:10:28,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:28,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-11-02 22:10:28,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:28,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2021-11-02 22:10:28,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:28,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 97 transitions. [2021-11-02 22:10:28,483 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-11-02 22:10:28,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 74 states and 95 transitions. [2021-11-02 22:10:28,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2021-11-02 22:10:28,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-11-02 22:10:28,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 95 transitions. [2021-11-02 22:10:28,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:28,486 INFO L681 BuchiCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-11-02 22:10:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 95 transitions. [2021-11-02 22:10:28,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2021-11-02 22:10:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2021-11-02 22:10:28,495 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2021-11-02 22:10:28,495 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2021-11-02 22:10:28,495 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-02 22:10:28,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2021-11-02 22:10:28,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2021-11-02 22:10:28,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:28,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:28,498 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1] [2021-11-02 22:10:28,498 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:28,498 INFO L791 eck$LassoCheckResult]: Stem: 1004#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1005#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 1019#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1051#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1050#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1048#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1044#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1038#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1037#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1036#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1028#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1029#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1043#L556-1 [2021-11-02 22:10:28,499 INFO L793 eck$LassoCheckResult]: Loop: 1043#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1047#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1046#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1045#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1042#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 1043#L556-1 [2021-11-02 22:10:28,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:28,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1737940579, now seen corresponding path program 2 times [2021-11-02 22:10:28,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:28,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042397639] [2021-11-02 22:10:28,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:28,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:28,543 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:28,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:28,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:28,611 INFO L85 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 5 times [2021-11-02 22:10:28,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:28,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617471721] [2021-11-02 22:10:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:28,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:28,628 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:28,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:28,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:28,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1666915826, now seen corresponding path program 2 times [2021-11-02 22:10:28,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:28,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398903003] [2021-11-02 22:10:28,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:28,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:28,742 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:28,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:28,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:34,474 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:34,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:34,475 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:34,475 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:34,475 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:34,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:34,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:34,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:34,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration7_Lasso [2021-11-02 22:10:34,476 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:34,476 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:34,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:34,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:35,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:36,546 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:36,547 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:36,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:36,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:36,561 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:36,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:36,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:36,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:36,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:36,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:36,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:36,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:36,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:36,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-02 22:10:36,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:36,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:36,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:36,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:36,636 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:36,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:36,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:36,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:36,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:36,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:36,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-02 22:10:36,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:36,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:36,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:36,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:36,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:36,709 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:36,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-02 22:10:36,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:36,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:36,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:36,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:36,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:36,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:36,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:36,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:36,780 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-02 22:10:36,780 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-02 22:10:36,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:36,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:36,782 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:36,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-02 22:10:36,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:36,794 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:10:36,795 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:36,795 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_4 Supporting invariants [] [2021-11-02 22:10:36,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-02 22:10:36,946 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:10:36,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:37,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:37,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:37,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:37,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-02 22:10:37,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:37,465 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:10:37,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-11-02 22:10:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:37,555 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-11-02 22:10:37,556 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:37,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:37,756 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 116 transitions. Complement of second has 12 states. [2021-11-02 22:10:37,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:37,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:37,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-11-02 22:10:37,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-11-02 22:10:37,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:37,758 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:10:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:37,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:37,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:37,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:38,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-02 22:10:38,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:38,223 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:10:38,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-11-02 22:10:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:38,280 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 5 loop predicates [2021-11-02 22:10:38,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:38,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 116 transitions. Complement of second has 12 states. [2021-11-02 22:10:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-11-02 22:10:38,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-11-02 22:10:38,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:38,424 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:10:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:38,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:38,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:38,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:38,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-02 22:10:38,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:38,919 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:10:38,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-11-02 22:10:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:38,976 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-11-02 22:10:38,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:39,154 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 87 transitions. cyclomatic complexity: 26. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 105 states and 132 transitions. Complement of second has 11 states. [2021-11-02 22:10:39,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 16 transitions. [2021-11-02 22:10:39,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 12 letters. Loop has 5 letters. [2021-11-02 22:10:39,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:39,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2021-11-02 22:10:39,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:39,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 16 transitions. Stem has 12 letters. Loop has 10 letters. [2021-11-02 22:10:39,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:39,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 132 transitions. [2021-11-02 22:10:39,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-11-02 22:10:39,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 83 states and 105 transitions. [2021-11-02 22:10:39,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-11-02 22:10:39,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-11-02 22:10:39,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2021-11-02 22:10:39,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:39,171 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-11-02 22:10:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2021-11-02 22:10:39,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 38. [2021-11-02 22:10:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 37 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:39,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2021-11-02 22:10:39,176 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-11-02 22:10:39,177 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2021-11-02 22:10:39,177 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-02 22:10:39,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2021-11-02 22:10:39,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-11-02 22:10:39,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:39,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:39,181 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:10:39,181 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:39,182 INFO L791 eck$LassoCheckResult]: Stem: 1693#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1694#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 1700#L556-1 [2021-11-02 22:10:39,182 INFO L793 eck$LassoCheckResult]: Loop: 1700#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1703#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1722#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1719#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1699#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1700#L556-1 [2021-11-02 22:10:39,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:39,183 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-02 22:10:39,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:39,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387986085] [2021-11-02 22:10:39,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:39,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:39,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:39,208 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:39,209 INFO L85 PathProgramCache]: Analyzing trace with hash 35409686, now seen corresponding path program 1 times [2021-11-02 22:10:39,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:39,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871297095] [2021-11-02 22:10:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:39,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:39,226 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:39,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:39,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849172, now seen corresponding path program 3 times [2021-11-02 22:10:39,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:39,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98247164] [2021-11-02 22:10:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:39,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:39,264 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:39,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:40,254 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:40,254 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:40,255 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:40,255 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:40,255 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:40,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:40,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:40,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:40,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration8_Lasso [2021-11-02 22:10:40,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:40,255 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:40,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:40,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:41,327 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:41,327 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:41,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,329 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-02 22:10:41,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-02 22:10:41,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,380 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-02 22:10:41,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:41,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,473 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-02 22:10:41,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-02 22:10:41,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,537 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-02 22:10:41,539 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 [2021-11-02 22:10:41,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-02 22:10:41,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,576 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-02 22:10:41,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:41,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:41,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:41,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,619 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-02 22:10:41,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-02 22:10:41,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,659 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-02 22:10:41,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-02 22:10:41,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,698 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-02 22:10:41,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:41,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:41,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-02 22:10:41,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,740 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-02 22:10:41,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-02 22:10:41,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,781 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-02 22:10:41,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-02 22:10:41,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,846 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-02 22:10:41,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:41,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,917 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:41,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:41,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:41,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-02 22:10:41,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:41,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-02 22:10:41,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:41,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:41,982 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:41,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-02 22:10:41,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:41,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:41,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:41,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:41,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:41,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:41,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:41,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:42,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-02 22:10:42,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,024 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-02 22:10:42,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:42,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:42,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:42,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:42,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:42,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:42,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:42,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:42,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-02 22:10:42,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,076 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-02 22:10:42,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:42,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:42,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:42,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:42,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:42,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:42,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:42,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:42,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-02 22:10:42,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,122 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-02 22:10:42,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:42,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:42,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:42,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:42,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:42,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:42,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:42,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:42,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-02 22:10:42,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,168 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-02 22:10:42,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:42,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:42,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:42,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:42,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:42,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:42,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:42,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:42,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-02 22:10:42,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,241 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:42,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-02 22:10:42,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:42,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:42,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:42,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:42,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:42,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:42,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:42,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:42,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,308 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-02 22:10:42,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:42,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:42,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:42,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:42,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:42,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:42,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:42,331 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:42,340 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-02 22:10:42,340 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-02 22:10:42,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:42,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:42,341 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:42,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-02 22:10:42,343 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:42,355 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:10:42,355 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:42,355 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_5 Supporting invariants [] [2021-11-02 22:10:42,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:42,469 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:10:42,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:42,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:42,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:42,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:10:42,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:42,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2021-11-02 22:10:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:42,738 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-11-02 22:10:42,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:42,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 58 states and 74 transitions. Complement of second has 9 states. [2021-11-02 22:10:42,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2021-11-02 22:10:42,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2021-11-02 22:10:42,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:42,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2021-11-02 22:10:42,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:42,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2021-11-02 22:10:42,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:42,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 74 transitions. [2021-11-02 22:10:42,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-11-02 22:10:42,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 52 states and 67 transitions. [2021-11-02 22:10:42,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-02 22:10:42,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-02 22:10:42,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 67 transitions. [2021-11-02 22:10:42,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:42,839 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 67 transitions. [2021-11-02 22:10:42,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 67 transitions. [2021-11-02 22:10:42,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2021-11-02 22:10:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2021-11-02 22:10:42,844 INFO L704 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-11-02 22:10:42,844 INFO L587 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-11-02 22:10:42,844 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-02 22:10:42,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 61 transitions. [2021-11-02 22:10:42,845 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-11-02 22:10:42,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:42,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:42,846 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:10:42,846 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:42,847 INFO L791 eck$LassoCheckResult]: Stem: 1940#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1941#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 1958#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1967#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1971#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1968#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 1963#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1947#L556-1 [2021-11-02 22:10:42,847 INFO L793 eck$LassoCheckResult]: Loop: 1947#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 1984#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1983#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 1959#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 1946#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 1947#L556-1 [2021-11-02 22:10:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:42,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849234, now seen corresponding path program 2 times [2021-11-02 22:10:42,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:42,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731648398] [2021-11-02 22:10:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:42,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:42,866 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:42,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:42,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:42,881 INFO L85 PathProgramCache]: Analyzing trace with hash 35409686, now seen corresponding path program 2 times [2021-11-02 22:10:42,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:42,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976987899] [2021-11-02 22:10:42,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:42,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:42,892 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:42,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:42,903 INFO L85 PathProgramCache]: Analyzing trace with hash -782019355, now seen corresponding path program 1 times [2021-11-02 22:10:42,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:42,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49968945] [2021-11-02 22:10:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:42,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:42,930 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:42,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:44,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:45,285 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:10:45,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:10:45,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:10:45,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:10:45,286 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:10:45,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:45,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:10:45,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:10:45,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration9_Lasso [2021-11-02 22:10:45,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:10:45,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:10:45,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:45,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:10:46,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:10:46,432 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:10:46,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,446 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-02 22:10:46,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:46,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:46,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:46,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:46,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:46,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:46,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:46,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:46,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-02 22:10:46,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,500 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-02 22:10:46,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:46,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:46,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:46,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:46,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:46,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:46,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:46,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:46,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:46,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:46,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,538 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-02 22:10:46,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:46,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:46,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:10:46,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:46,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:46,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:46,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:10:46,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:10:46,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:46,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:46,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,578 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-02 22:10:46,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:46,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:46,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:46,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:46,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:46,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:46,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:46,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:46,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-02 22:10:46,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,635 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-02 22:10:46,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:46,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:46,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:46,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:46,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:46,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:46,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:46,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:10:46,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:46,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,689 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-02 22:10:46,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:10:46,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:10:46,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:10:46,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:10:46,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:10:46,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:10:46,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:10:46,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:10:46,728 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-02 22:10:46,728 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-02 22:10:46,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:10:46,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:46,729 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:10:46,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-02 22:10:46,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:10:46,740 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:10:46,740 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:10:46,740 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6 Supporting invariants [] [2021-11-02 22:10:46,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:46,866 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:10:46,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:46,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:10:46,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:46,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:47,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:10:47,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:47,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2021-11-02 22:10:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:47,194 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-11-02 22:10:47,194 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 18 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2021-11-02 22:10:47,294 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 61 transitions. cyclomatic complexity: 18. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) Result 119 states and 148 transitions. Complement of second has 10 states. [2021-11-02 22:10:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:10:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2021-11-02 22:10:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2021-11-02 22:10:47,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 7 letters. Loop has 5 letters. [2021-11-02 22:10:47,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:47,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 12 letters. Loop has 5 letters. [2021-11-02 22:10:47,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:47,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 7 letters. Loop has 10 letters. [2021-11-02 22:10:47,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:10:47,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 148 transitions. [2021-11-02 22:10:47,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-11-02 22:10:47,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 94 states and 119 transitions. [2021-11-02 22:10:47,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-11-02 22:10:47,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-11-02 22:10:47,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 119 transitions. [2021-11-02 22:10:47,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:47,301 INFO L681 BuchiCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-11-02 22:10:47,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 119 transitions. [2021-11-02 22:10:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2021-11-02 22:10:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 71 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2021-11-02 22:10:47,308 INFO L704 BuchiCegarLoop]: Abstraction has 72 states and 94 transitions. [2021-11-02 22:10:47,308 INFO L587 BuchiCegarLoop]: Abstraction has 72 states and 94 transitions. [2021-11-02 22:10:47,308 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-02 22:10:47,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 94 transitions. [2021-11-02 22:10:47,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 30 [2021-11-02 22:10:47,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:47,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:47,311 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1] [2021-11-02 22:10:47,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:10:47,311 INFO L791 eck$LassoCheckResult]: Stem: 2274#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2275#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 2288#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2286#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2278#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2279#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2282#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2283#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2287#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2276#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2277#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 2289#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2292#L556-1 [2021-11-02 22:10:47,311 INFO L793 eck$LassoCheckResult]: Loop: 2292#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2315#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2326#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2324#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2323#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2292#L556-1 [2021-11-02 22:10:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:47,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1737940641, now seen corresponding path program 2 times [2021-11-02 22:10:47,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:47,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548777475] [2021-11-02 22:10:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:47,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:47,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-02 22:10:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:47,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:10:47,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548777475] [2021-11-02 22:10:47,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548777475] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:10:47,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384310500] [2021-11-02 22:10:47,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:10:47,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:10:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:47,751 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:10:47,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2021-11-02 22:10:48,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:10:48,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:10:48,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-02 22:10:48,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:48,124 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-11-02 22:10:48,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2021-11-02 22:10:48,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-02 22:10:48,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-11-02 22:10:48,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:10:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:48,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:48,691 INFO L354 Elim1Store]: treesize reduction 90, result has 29.1 percent of original size [2021-11-02 22:10:48,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 582 treesize of output 172 [2021-11-02 22:10:48,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-02 22:10:48,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-11-02 22:10:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:48,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-11-02 22:10:48,832 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-02 22:10:48,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 52 [2021-11-02 22:10:49,239 INFO L354 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2021-11-02 22:10:49,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 45 [2021-11-02 22:10:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:10:49,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384310500] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:10:49,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:10:49,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2021-11-02 22:10:49,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904710331] [2021-11-02 22:10:49,433 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-02 22:10:49,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:49,434 INFO L85 PathProgramCache]: Analyzing trace with hash 35409686, now seen corresponding path program 3 times [2021-11-02 22:10:49,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:49,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700985672] [2021-11-02 22:10:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:49,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:49,445 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:49,455 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:49,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:49,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-02 22:10:49,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-11-02 22:10:49,956 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. cyclomatic complexity: 29 Second operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:10:50,627 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2021-11-02 22:10:50,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 22:10:50,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 136 transitions. [2021-11-02 22:10:50,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2021-11-02 22:10:50,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 105 states and 131 transitions. [2021-11-02 22:10:50,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2021-11-02 22:10:50,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2021-11-02 22:10:50,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 131 transitions. [2021-11-02 22:10:50,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:50,632 INFO L681 BuchiCegarLoop]: Abstraction has 105 states and 131 transitions. [2021-11-02 22:10:50,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 131 transitions. [2021-11-02 22:10:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 70. [2021-11-02 22:10:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 69 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2021-11-02 22:10:50,640 INFO L704 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2021-11-02 22:10:50,640 INFO L587 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2021-11-02 22:10:50,640 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-02 22:10:50,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 89 transitions. [2021-11-02 22:10:50,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2021-11-02 22:10:50,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:50,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:50,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 1, 1, 1, 1] [2021-11-02 22:10:50,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1] [2021-11-02 22:10:50,643 INFO L791 eck$LassoCheckResult]: Stem: 2520#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2521#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 2534#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2560#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2524#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2525#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2528#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2529#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2566#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2567#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2543#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2541#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 2542#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2576#L553-1 [2021-11-02 22:10:50,643 INFO L793 eck$LassoCheckResult]: Loop: 2576#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2574#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2571#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2572#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2579#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2566#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2567#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2543#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2541#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 2542#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2576#L553-1 [2021-11-02 22:10:50,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:50,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1958416954, now seen corresponding path program 3 times [2021-11-02 22:10:50,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:50,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335396789] [2021-11-02 22:10:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:50,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:50,676 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:50,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:50,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:50,703 INFO L85 PathProgramCache]: Analyzing trace with hash 480749795, now seen corresponding path program 1 times [2021-11-02 22:10:50,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:50,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652935268] [2021-11-02 22:10:50,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:50,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:50,727 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:50,746 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:50,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1335499672, now seen corresponding path program 4 times [2021-11-02 22:10:50,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:50,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710163264] [2021-11-02 22:10:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:50,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:10:51,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:10:51,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710163264] [2021-11-02 22:10:51,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710163264] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:10:51,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817833618] [2021-11-02 22:10:51,124 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-02 22:10:51,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:10:51,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:10:51,125 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:10:51,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2021-11-02 22:10:51,507 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-02 22:10:51,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:10:51,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-02 22:10:51,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:10:51,556 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-02 22:10:51,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:10:51,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:10:51,744 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-02 22:10:51,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8 [2021-11-02 22:10:51,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-11-02 22:10:52,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:10:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:52,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:10:52,191 INFO L354 Elim1Store]: treesize reduction 163, result has 32.1 percent of original size [2021-11-02 22:10:52,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 544 treesize of output 168 [2021-11-02 22:10:52,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-02 22:10:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:10:52,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-11-02 22:10:52,327 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-02 22:10:52,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 71 [2021-11-02 22:10:52,349 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-02 22:10:52,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 57 [2021-11-02 22:10:52,896 INFO L354 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2021-11-02 22:10:52,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 34 [2021-11-02 22:10:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:10:52,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817833618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:10:52,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:10:52,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2021-11-02 22:10:52,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966928392] [2021-11-02 22:10:55,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:55,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-02 22:10:55,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-11-02 22:10:55,229 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. cyclomatic complexity: 26 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:55,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:10:55,348 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2021-11-02 22:10:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:10:55,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 83 transitions. [2021-11-02 22:10:55,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-11-02 22:10:55,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 63 states and 74 transitions. [2021-11-02 22:10:55,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-11-02 22:10:55,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-11-02 22:10:55,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 74 transitions. [2021-11-02 22:10:55,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:10:55,351 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-11-02 22:10:55,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 74 transitions. [2021-11-02 22:10:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 56. [2021-11-02 22:10:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 67 transitions. [2021-11-02 22:10:55,358 INFO L704 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-11-02 22:10:55,358 INFO L587 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-11-02 22:10:55,358 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-02 22:10:55,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 67 transitions. [2021-11-02 22:10:55,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-11-02 22:10:55,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:10:55,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:10:55,360 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-02 22:10:55,360 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2021-11-02 22:10:55,360 INFO L791 eck$LassoCheckResult]: Stem: 2752#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2753#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 2768#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2780#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2779#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2775#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 2772#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2771#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2764#L553-1 [2021-11-02 22:10:55,361 INFO L793 eck$LassoCheckResult]: Loop: 2764#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2806#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2802#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 2803#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 2762#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2763#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 2754#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 2755#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 2769#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 2759#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 2764#L553-1 [2021-11-02 22:10:55,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash 177751413, now seen corresponding path program 3 times [2021-11-02 22:10:55,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:55,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114194709] [2021-11-02 22:10:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:55,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:55,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:55,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:55,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:55,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1294255583, now seen corresponding path program 1 times [2021-11-02 22:10:55,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:55,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394361313] [2021-11-02 22:10:55,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:55,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:55,422 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:55,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:10:55,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:55,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2067938965, now seen corresponding path program 1 times [2021-11-02 22:10:55,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:55,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976995580] [2021-11-02 22:10:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:55,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:55,490 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:10:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:10:55,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:00,360 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:11:00,360 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:11:00,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:11:00,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:11:00,360 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:11:00,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:00,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:11:00,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:11:00,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration12_Lasso [2021-11-02 22:11:00,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:11:00,361 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:11:00,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:00,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:00,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:00,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:00,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:00,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:01,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:02,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:11:02,717 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:11:02,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,719 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-02 22:11:02,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:02,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:02,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:02,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-02 22:11:02,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,770 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-02 22:11:02,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:02,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:02,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:02,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-02 22:11:02,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,812 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-02 22:11:02,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:02,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:02,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:02,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-02 22:11:02,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,855 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-02 22:11:02,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:02,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:02,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:02,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:02,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:02,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,895 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-02 22:11:02,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:02,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:02,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:02,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:02,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,937 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-02 22:11:02,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:02,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:02,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:02,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-02 22:11:02,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:02,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:02,982 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:02,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-02 22:11:02,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:02,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:02,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:02,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:02,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:02,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:02,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:03,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:03,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:03,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:03,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:03,033 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:03,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-02 22:11:03,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:03,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:03,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:03,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:03,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:03,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:03,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:03,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:03,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-02 22:11:03,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:03,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:03,078 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:03,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-02 22:11:03,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:03,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:03,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:03,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:03,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:03,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:03,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:03,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:03,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:03,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:03,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:03,123 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:03,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-02 22:11:03,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:03,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:03,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:03,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:03,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:03,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:03,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:03,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:03,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-02 22:11:03,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:03,183 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:03,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-02 22:11:03,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:03,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:03,194 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-02 22:11:03,194 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:11:03,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:03,212 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-02 22:11:03,212 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:11:03,262 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:11:03,318 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-02 22:11:03,318 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-11-02 22:11:03,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:03,320 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:03,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-02 22:11:03,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:11:03,332 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-11-02 22:11:03,332 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:11:03,332 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_7) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_7 Supporting invariants [] [2021-11-02 22:11:03,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:03,507 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:11:03,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:03,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:03,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:03,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:03,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-02 22:11:03,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:03,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-02 22:11:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:03,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:03,857 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:03,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 116 [2021-11-02 22:11:03,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:11:04,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-02 22:11:04,127 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:04,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 44 [2021-11-02 22:11:04,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:04,417 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:04,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 36 [2021-11-02 22:11:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:04,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:04,546 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:04,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 291 treesize of output 121 [2021-11-02 22:11:04,630 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:04,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 43 [2021-11-02 22:11:06,257 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:11:06,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 54 [2021-11-02 22:11:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:06,803 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-11-02 22:11:06,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:07,086 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) Result 144 states and 171 transitions. Complement of second has 16 states. [2021-11-02 22:11:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 18 transitions. [2021-11-02 22:11:07,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 18 transitions. Stem has 8 letters. Loop has 10 letters. [2021-11-02 22:11:07,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:07,090 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:11:07,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:07,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:07,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:07,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:07,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-02 22:11:07,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:07,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-02 22:11:07,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:07,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:07,518 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:07,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 116 [2021-11-02 22:11:07,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2021-11-02 22:11:07,649 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:07,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 44 [2021-11-02 22:11:07,907 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:07,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 36 [2021-11-02 22:11:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:08,035 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:08,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 291 treesize of output 121 [2021-11-02 22:11:08,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-02 22:11:08,788 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:08,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2021-11-02 22:11:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:09,737 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 7 loop predicates [2021-11-02 22:11:09,737 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:09,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) Result 87 states and 101 transitions. Complement of second has 16 states. [2021-11-02 22:11:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:09,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-11-02 22:11:09,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 12 transitions. Stem has 8 letters. Loop has 10 letters. [2021-11-02 22:11:09,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:09,972 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:11:09,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:10,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:10,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:10,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:10,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-02 22:11:10,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:10,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-02 22:11:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:10,316 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:10,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 282 treesize of output 116 [2021-11-02 22:11:10,378 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:10,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 43 [2021-11-02 22:11:10,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-02 22:11:10,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 42 [2021-11-02 22:11:10,789 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:10,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 36 [2021-11-02 22:11:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:10,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:10,898 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:10,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 291 treesize of output 121 [2021-11-02 22:11:12,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:11:13,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 53 [2021-11-02 22:11:13,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:11:13,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 53 [2021-11-02 22:11:14,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:11:14,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:11:14,571 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:14,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 67 [2021-11-02 22:11:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:14,852 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-11-02 22:11:14,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:15,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 67 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) Result 153 states and 180 transitions. Complement of second has 23 states. [2021-11-02 22:11:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 25 transitions. [2021-11-02 22:11:15,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 25 transitions. Stem has 8 letters. Loop has 10 letters. [2021-11-02 22:11:15,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:15,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 25 transitions. Stem has 18 letters. Loop has 10 letters. [2021-11-02 22:11:15,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:15,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 25 transitions. Stem has 8 letters. Loop has 20 letters. [2021-11-02 22:11:15,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:15,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 180 transitions. [2021-11-02 22:11:15,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-02 22:11:15,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 100 states and 124 transitions. [2021-11-02 22:11:15,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-02 22:11:15,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-02 22:11:15,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 124 transitions. [2021-11-02 22:11:15,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:11:15,135 INFO L681 BuchiCegarLoop]: Abstraction has 100 states and 124 transitions. [2021-11-02 22:11:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 124 transitions. [2021-11-02 22:11:15,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 64. [2021-11-02 22:11:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.296875) internal successors, (83), 63 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2021-11-02 22:11:15,156 INFO L704 BuchiCegarLoop]: Abstraction has 64 states and 83 transitions. [2021-11-02 22:11:15,156 INFO L587 BuchiCegarLoop]: Abstraction has 64 states and 83 transitions. [2021-11-02 22:11:15,156 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-02 22:11:15,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 83 transitions. [2021-11-02 22:11:15,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-02 22:11:15,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:11:15,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:11:15,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2021-11-02 22:11:15,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:11:15,159 INFO L791 eck$LassoCheckResult]: Stem: 3565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3566#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 3580#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3590#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3586#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3587#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3599#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 3575#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3576#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3600#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3585#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 3584#L554-2 [2021-11-02 22:11:15,159 INFO L793 eck$LassoCheckResult]: Loop: 3584#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 3593#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3588#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3589#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3583#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3584#L554-2 [2021-11-02 22:11:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash -302321096, now seen corresponding path program 3 times [2021-11-02 22:11:15,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:15,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407249853] [2021-11-02 22:11:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:15,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:15,196 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:15,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:15,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 2 times [2021-11-02 22:11:15,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:15,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560135530] [2021-11-02 22:11:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:15,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:15,225 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:15,233 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:15,234 INFO L85 PathProgramCache]: Analyzing trace with hash 337347019, now seen corresponding path program 2 times [2021-11-02 22:11:15,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:15,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992587023] [2021-11-02 22:11:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:15,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:15,263 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:15,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:17,627 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:11:17,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:11:17,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:11:17,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:11:17,627 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:11:17,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:17,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:11:17,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:11:17,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration13_Lasso [2021-11-02 22:11:17,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:11:17,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:11:17,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:17,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:18,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:11:18,658 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:11:18,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,663 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-02 22:11:18,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:18,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:18,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:18,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-02 22:11:18,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,703 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,705 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 [2021-11-02 22:11:18,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-02 22:11:18,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:18,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:18,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:18,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-11-02 22:11:18,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,743 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-11-02 22:11:18,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:18,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:18,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:18,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-11-02 22:11:18,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,784 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-11-02 22:11:18,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:18,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:18,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:18,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,827 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-11-02 22:11:18,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:18,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:18,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-11-02 22:11:18,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,869 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-02 22:11:18,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:18,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:18,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:18,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-11-02 22:11:18,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,908 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-02 22:11:18,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:18,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:18,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-11-02 22:11:18,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,950 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-02 22:11:18,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:18,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:18,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:18,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:18,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:18,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:18,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:18,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:18,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:18,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:18,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:18,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:18,994 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:18,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-02 22:11:18,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:19,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-02 22:11:19,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,031 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-11-02 22:11:19,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,042 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:11:19,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,043 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 22:11:19,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-11-02 22:11:19,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,070 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-11-02 22:11:19,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:19,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-11-02 22:11:19,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,107 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-11-02 22:11:19,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:19,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:19,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,145 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-11-02 22:11:19,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:19,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-11-02 22:11:19,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,182 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-11-02 22:11:19,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:19,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-11-02 22:11:19,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,222 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-11-02 22:11:19,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:19,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:19,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:19,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:19,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:19,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,267 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-11-02 22:11:19,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:19,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:19,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:19,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:19,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:19,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:19,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:19,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:11:19,302 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-02 22:11:19,302 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-02 22:11:19,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:19,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:19,304 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:19,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-11-02 22:11:19,306 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:11:19,315 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:11:19,316 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:11:19,316 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_8 Supporting invariants [] [2021-11-02 22:11:19,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-11-02 22:11:19,437 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:11:19,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:19,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:19,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:19,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:19,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:11:19,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:19,781 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:19,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-11-02 22:11:20,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:21,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-11-02 22:11:21,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-02 22:11:21,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:23,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-11-02 22:11:23,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-02 22:11:23,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:24,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 48 [2021-11-02 22:11:24,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-11-02 22:11:24,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-02 22:11:24,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:25,035 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:25,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 72 [2021-11-02 22:11:25,225 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:11:25,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 48 [2021-11-02 22:11:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:25,588 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-11-02 22:11:25,588 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 64 states and 83 transitions. cyclomatic complexity: 26 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:25,710 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 64 states and 83 transitions. cyclomatic complexity: 26. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 122 transitions. Complement of second has 10 states. [2021-11-02 22:11:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-11-02 22:11:25,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2021-11-02 22:11:25,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:25,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 16 letters. Loop has 5 letters. [2021-11-02 22:11:25,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:25,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 10 letters. [2021-11-02 22:11:25,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:25,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2021-11-02 22:11:25,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-02 22:11:25,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 79 states and 98 transitions. [2021-11-02 22:11:25,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-11-02 22:11:25,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-11-02 22:11:25,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 98 transitions. [2021-11-02 22:11:25,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:11:25,716 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 98 transitions. [2021-11-02 22:11:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 98 transitions. [2021-11-02 22:11:25,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 63. [2021-11-02 22:11:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 62 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2021-11-02 22:11:25,720 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 81 transitions. [2021-11-02 22:11:25,720 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 81 transitions. [2021-11-02 22:11:25,721 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-11-02 22:11:25,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 81 transitions. [2021-11-02 22:11:25,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2021-11-02 22:11:25,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:11:25,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:11:25,723 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2021-11-02 22:11:25,723 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:11:25,723 INFO L791 eck$LassoCheckResult]: Stem: 3908#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3909#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 3925#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3922#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3923#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3968#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 3916#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 3917#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3921#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3967#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3964#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3954#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 3955#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3932#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3933#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3928#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 3914#L554-2 [2021-11-02 22:11:25,724 INFO L793 eck$LassoCheckResult]: Loop: 3914#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 3915#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 3950#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 3949#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 3926#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 3914#L554-2 [2021-11-02 22:11:25,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:25,724 INFO L85 PathProgramCache]: Analyzing trace with hash 88414793, now seen corresponding path program 3 times [2021-11-02 22:11:25,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:25,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364196041] [2021-11-02 22:11:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:25,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:25,772 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:25,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 3 times [2021-11-02 22:11:25,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:25,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985725019] [2021-11-02 22:11:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:25,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:25,812 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:25,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1508686938, now seen corresponding path program 4 times [2021-11-02 22:11:25,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:25,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946965425] [2021-11-02 22:11:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:25,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:25,857 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:25,948 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:32,764 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:11:32,764 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:11:32,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:11:32,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:11:32,764 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:11:32,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:32,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:11:32,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:11:32,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration14_Lasso [2021-11-02 22:11:32,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:11:32,765 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:11:32,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:32,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:35,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:11:36,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:11:36,454 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:11:36,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,456 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-11-02 22:11:36,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,501 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-11-02 22:11:36,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-11-02 22:11:36,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,541 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-11-02 22:11:36,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,595 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-11-02 22:11:36,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,635 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-11-02 22:11:36,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,674 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-11-02 22:11:36,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-11-02 22:11:36,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,715 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-11-02 22:11:36,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,753 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-11-02 22:11:36,755 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 [2021-11-02 22:11:36,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,792 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-11-02 22:11:36,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:36,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:36,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,835 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-11-02 22:11:36,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:36,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:36,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-11-02 22:11:36,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,876 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-11-02 22:11:36,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-11-02 22:11:36,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,915 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-11-02 22:11:36,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:11:36,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:11:36,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:11:36,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:36,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:36,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:36,960 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:36,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-11-02 22:11:36,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:36,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:36,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:36,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:36,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:36,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:36,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:36,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:37,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-11-02 22:11:37,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,007 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-11-02 22:11:37,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:37,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:37,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:37,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:37,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:37,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:37,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:37,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:37,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:37,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,053 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-11-02 22:11:37,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:37,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:37,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:37,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:37,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:37,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:37,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:37,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:37,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:37,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,100 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-11-02 22:11:37,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:37,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:37,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:37,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:37,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:37,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:37,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:37,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:37,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:37,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,141 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-11-02 22:11:37,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:37,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:37,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:37,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:37,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:37,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:37,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:37,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:37,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-11-02 22:11:37,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,201 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-11-02 22:11:37,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:37,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:37,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:37,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:37,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:37,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:37,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:37,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:11:37,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:37,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,293 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:11:37,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:11:37,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:11:37,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:11:37,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:11:37,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-11-02 22:11:37,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:11:37,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:11:37,341 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:11:37,355 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-02 22:11:37,355 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-02 22:11:37,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:11:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:11:37,357 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:11:37,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:11:37,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-11-02 22:11:37,387 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:11:37,387 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:11:37,387 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_9) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_9 Supporting invariants [] [2021-11-02 22:11:37,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:37,580 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:11:37,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:37,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:37,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:37,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:11:37,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:37,983 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:37,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-11-02 22:11:39,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-11-02 22:11:39,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-11-02 22:11:39,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:41,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-11-02 22:11:42,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:42,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:11:42,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 48 [2021-11-02 22:11:44,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2021-11-02 22:11:44,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:44,550 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:44,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 72 [2021-11-02 22:11:44,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 48 [2021-11-02 22:11:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:45,336 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-11-02 22:11:45,337 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:45,450 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 87 states and 108 transitions. Complement of second has 10 states. [2021-11-02 22:11:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-11-02 22:11:45,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 16 letters. Loop has 5 letters. [2021-11-02 22:11:45,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:45,451 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:11:45,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:45,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:45,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:45,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:45,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:11:45,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:45,798 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:45,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-11-02 22:11:46,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 44 [2021-11-02 22:11:46,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-02 22:11:46,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:46,947 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:46,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 53 [2021-11-02 22:11:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:47,240 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2021-11-02 22:11:47,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:47,339 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 87 states and 108 transitions. Complement of second has 10 states. [2021-11-02 22:11:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-11-02 22:11:47,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 16 letters. Loop has 5 letters. [2021-11-02 22:11:47,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:47,354 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:11:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:47,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-02 22:11:47,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:47,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:11:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:11:47,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-02 22:11:47,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:11:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:47,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:11:47,763 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:11:47,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-11-02 22:11:48,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 44 [2021-11-02 22:11:49,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-02 22:11:49,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-11-02 22:11:49,232 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:11:49,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 53 [2021-11-02 22:11:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:11:49,534 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-11-02 22:11:49,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:49,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states and 81 transitions. cyclomatic complexity: 25. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 76 states and 97 transitions. Complement of second has 9 states. [2021-11-02 22:11:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:11:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2021-11-02 22:11:49,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 16 letters. Loop has 5 letters. [2021-11-02 22:11:49,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:49,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 21 letters. Loop has 5 letters. [2021-11-02 22:11:49,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:49,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 16 letters. Loop has 10 letters. [2021-11-02 22:11:49,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:11:49,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 97 transitions. [2021-11-02 22:11:49,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:11:49,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 50 states and 62 transitions. [2021-11-02 22:11:49,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-02 22:11:49,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-02 22:11:49,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 62 transitions. [2021-11-02 22:11:49,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-02 22:11:49,690 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 62 transitions. [2021-11-02 22:11:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 62 transitions. [2021-11-02 22:11:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2021-11-02 22:11:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2021-11-02 22:11:49,693 INFO L704 BuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-11-02 22:11:49,693 INFO L587 BuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-11-02 22:11:49,693 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-11-02 22:11:49,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2021-11-02 22:11:49,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-02 22:11:49,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:11:49,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:11:49,703 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 1, 1, 1, 1] [2021-11-02 22:11:49,703 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-02 22:11:49,703 INFO L791 eck$LassoCheckResult]: Stem: 4577#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 4578#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 4591#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4595#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4596#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4594#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 4583#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 4585#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4589#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4618#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4616#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 4614#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 4607#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4611#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4610#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4609#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 4606#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 4600#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4598#L553-1 [2021-11-02 22:11:49,704 INFO L793 eck$LassoCheckResult]: Loop: 4598#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 4579#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 4580#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 4597#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 4599#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 4598#L553-1 [2021-11-02 22:11:49,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:49,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2067938965, now seen corresponding path program 5 times [2021-11-02 22:11:49,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:49,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356896047] [2021-11-02 22:11:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:49,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:49,774 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:49,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash 38421686, now seen corresponding path program 4 times [2021-11-02 22:11:49,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:49,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430524696] [2021-11-02 22:11:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:49,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:49,851 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:49,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:11:49,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:11:49,862 INFO L85 PathProgramCache]: Analyzing trace with hash 155976354, now seen corresponding path program 6 times [2021-11-02 22:11:49,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:11:49,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611309491] [2021-11-02 22:11:49,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:11:49,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:11:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:49,933 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:11:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:11:49,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:12:01,290 WARN L207 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 273 DAG size of output: 211 [2021-11-02 22:12:06,127 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:12:06,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:12:06,128 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:12:06,128 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:12:06,128 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:12:06,128 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:06,128 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:12:06,128 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:12:06,128 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration15_Lasso [2021-11-02 22:12:06,128 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:12:06,128 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:12:06,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:06,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:50,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:12:51,441 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:12:51,442 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:12:51,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,443 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-11-02 22:12:51,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:51,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:51,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:51,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,506 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-11-02 22:12:51,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-11-02 22:12:51,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,546 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-11-02 22:12:51,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-11-02 22:12:51,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,588 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-11-02 22:12:51,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-11-02 22:12:51,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,626 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-11-02 22:12:51,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:51,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:51,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:51,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,670 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-11-02 22:12:51,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-11-02 22:12:51,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,710 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-11-02 22:12:51,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:51,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,754 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-11-02 22:12:51,755 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 [2021-11-02 22:12:51,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:51,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,796 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-11-02 22:12:51,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:51,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:51,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-11-02 22:12:51,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,841 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-11-02 22:12:51,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-11-02 22:12:51,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,883 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-11-02 22:12:51,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:51,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,923 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-11-02 22:12:51,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:51,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:51,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:51,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-11-02 22:12:51,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:51,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:51,968 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:51,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-11-02 22:12:51,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:51,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:51,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:51,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:51,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:51,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:51,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:51,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:51,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-11-02 22:12:52,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,017 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-11-02 22:12:52,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:52,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:52,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:52,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-11-02 22:12:52,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,064 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-11-02 22:12:52,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:52,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:52,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:52,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-11-02 22:12:52,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,126 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-11-02 22:12:52,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:52,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:52,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:52,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,180 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-11-02 22:12:52,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-11-02 22:12:52,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,222 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-11-02 22:12:52,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-11-02 22:12:52,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,269 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-11-02 22:12:52,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,280 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-02 22:12:52,280 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:12:52,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,302 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-02 22:12:52,303 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 22:12:52,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,411 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-11-02 22:12:52,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,510 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-11-02 22:12:52,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,582 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-11-02 22:12:52,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,663 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-11-02 22:12:52,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,748 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-11-02 22:12:52,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:52,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:52,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,852 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:52,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:52,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:52,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-11-02 22:12:52,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:52,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:52,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:52,927 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:52,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:52,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:52,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:52,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:52,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:52,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:52,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:52,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:52,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-11-02 22:12:52,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:52,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-11-02 22:12:52,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,000 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-11-02 22:12:53,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:53,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:12:53,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:12:53,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-11-02 22:12:53,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,042 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-11-02 22:12:53,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:53,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:53,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-11-02 22:12:53,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,083 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-11-02 22:12:53,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:53,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:53,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-11-02 22:12:53,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,123 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-11-02 22:12:53,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:53,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:53,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-11-02 22:12:53,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,163 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-11-02 22:12:53,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:53,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:53,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-11-02 22:12:53,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,205 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-11-02 22:12:53,206 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 [2021-11-02 22:12:53,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:12:53,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:12:53,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-11-02 22:12:53,246 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-02 22:12:53,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,247 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-11-02 22:12:53,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,262 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 22:12:53,262 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 22:12:53,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-11-02 22:12:53,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,298 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-11-02 22:12:53,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,310 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,311 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-11-02 22:12:53,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,342 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-11-02 22:12:53,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,353 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,354 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,384 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-11-02 22:12:53,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,396 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,396 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,427 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-11-02 22:12:53,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,440 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 22:12:53,441 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 22:12:53,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,522 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,542 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,543 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-11-02 22:12:53,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,607 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,623 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,624 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-11-02 22:12:53,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,689 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-11-02 22:12:53,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,707 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,776 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,795 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,797 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 22:12:53,797 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 22:12:53,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-11-02 22:12:53,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,874 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,891 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-11-02 22:12:53,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:53,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:53,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:53,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:53,957 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:53,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:53,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:53,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:53,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:53,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:53,973 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:53,973 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:53,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:53,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-11-02 22:12:53,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-11-02 22:12:54,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,035 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-11-02 22:12:54,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,050 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,052 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 22:12:54,052 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 22:12:54,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-11-02 22:12:54,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,085 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-11-02 22:12:54,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:54,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,100 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,101 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:54,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:54,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-11-02 22:12:54,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,130 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-11-02 22:12:54,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:54,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,141 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,141 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:54,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:54,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:54,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,169 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-11-02 22:12:54,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:54,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,180 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,180 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:54,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:54,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-11-02 22:12:54,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,209 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-11-02 22:12:54,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:12:54,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,221 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,222 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 22:12:54,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:12:54,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-11-02 22:12:54,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,250 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-11-02 22:12:54,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,263 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 22:12:54,263 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 22:12:54,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:54,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,307 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-11-02 22:12:54,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:12:54,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:12:54,318 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,321 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 22:12:54,321 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 22:12:54,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:12:54,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-11-02 22:12:54,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,356 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-11-02 22:12:54,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 22:12:54,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:12:54,368 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-02 22:12:54,368 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-02 22:12:54,368 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 22:12:54,401 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-11-02 22:12:54,401 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-02 22:12:54,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:12:54,605 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-02 22:12:54,605 INFO L444 ModelExtractionUtils]: 20 out of 49 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-11-02 22:12:54,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:12:54,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:12:54,607 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:12:54,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-11-02 22:12:54,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:12:54,622 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2021-11-02 22:12:54,622 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:12:54,622 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_10 + 1 f1 = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_10 Supporting invariants [] [2021-11-02 22:12:54,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Forceful destruction successful, exit code 0 [2021-11-02 22:12:54,801 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-11-02 22:12:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:12:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:12:54,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-02 22:12:54,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:12:54,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:12:55,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-02 22:12:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:12:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:12:55,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:12:55,293 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-11-02 22:12:55,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 274 treesize of output 96 [2021-11-02 22:12:55,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-11-02 22:12:55,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 38 [2021-11-02 22:12:55,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2021-11-02 22:12:55,904 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-11-02 22:12:55,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 23 [2021-11-02 22:12:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:12:56,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 22:12:56,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:12:56,339 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:12:56,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2021-11-02 22:12:56,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:12:56,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:12:56,566 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:12:56,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 346 treesize of output 160 [2021-11-02 22:12:57,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 112 [2021-11-02 22:12:57,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 98 [2021-11-02 22:12:58,150 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:12:58,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 88 [2021-11-02 22:12:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:12:58,520 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 5 loop predicates [2021-11-02 22:12:58,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16 Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:12:58,840 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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 72 states and 85 transitions. Complement of second has 12 states. [2021-11-02 22:12:58,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:12:58,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:12:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-11-02 22:12:58,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 10 transitions. Stem has 18 letters. Loop has 5 letters. [2021-11-02 22:12:58,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:12:58,842 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:12:58,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:12:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:12:58,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-02 22:12:58,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:12:58,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:12:59,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-02 22:12:59,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:12:59,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:12:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:12:59,352 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-11-02 22:12:59,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 274 treesize of output 96 [2021-11-02 22:12:59,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:12:59,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 44 [2021-11-02 22:12:59,949 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-11-02 22:12:59,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 23 [2021-11-02 22:13:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:13:00,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 22:13:00,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:13:00,539 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:13:00,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2021-11-02 22:13:00,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:13:00,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:13:00,761 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:13:00,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 346 treesize of output 160 [2021-11-02 22:13:01,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 120 [2021-11-02 22:13:02,530 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:13:02,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 88 [2021-11-02 22:13:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:13:03,273 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 5 loop predicates [2021-11-02 22:13:03,273 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16 Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:13:03,614 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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 61 states and 72 transitions. Complement of second has 10 states. [2021-11-02 22:13:03,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-02 22:13:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:13:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-11-02 22:13:03,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 18 letters. Loop has 5 letters. [2021-11-02 22:13:03,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:03,617 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-02 22:13:03,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:13:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:13:03,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-02 22:13:03,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:13:03,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-11-02 22:13:04,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-02 22:13:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:13:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:13:04,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 22:13:04,215 INFO L354 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2021-11-02 22:13:04,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 274 treesize of output 96 [2021-11-02 22:13:04,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2021-11-02 22:13:04,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 43 [2021-11-02 22:13:04,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-02 22:13:04,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 44 [2021-11-02 22:13:04,968 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-11-02 22:13:04,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 23 [2021-11-02 22:13:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:13:05,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-02 22:13:05,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:13:05,582 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:13:05,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2021-11-02 22:13:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:13:05,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 22:13:05,859 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-11-02 22:13:05,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 346 treesize of output 160 [2021-11-02 22:13:06,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 120 [2021-11-02 22:13:07,972 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-02 22:13:07,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 88 [2021-11-02 22:13:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:13:08,522 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 5 loop predicates [2021-11-02 22:13:08,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16 Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:13:09,473 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 59 transitions. cyclomatic complexity: 16. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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 109 states and 127 transitions. Complement of second has 19 states. [2021-11-02 22:13:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 8 stem states 4 non-accepting loop states 1 accepting loop states [2021-11-02 22:13:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:13:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. [2021-11-02 22:13:09,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 18 letters. Loop has 5 letters. [2021-11-02 22:13:09,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:09,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 23 letters. Loop has 5 letters. [2021-11-02 22:13:09,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:09,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 24 transitions. Stem has 18 letters. Loop has 10 letters. [2021-11-02 22:13:09,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:13:09,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 127 transitions. [2021-11-02 22:13:09,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:13:09,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 0 states and 0 transitions. [2021-11-02 22:13:09,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:13:09,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:13:09,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:13:09,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:13:09,479 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:13:09,480 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:13:09,480 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:13:09,480 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-11-02 22:13:09,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:13:09,480 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:13:09,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:13:09,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:13:09 BoogieIcfgContainer [2021-11-02 22:13:09,488 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:13:09,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:13:09,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:13:09,490 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:13:09,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:09:20" (3/4) ... [2021-11-02 22:13:09,493 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:13:09,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:13:09,494 INFO L168 Benchmark]: Toolchain (without parser) took 230145.26 ms. Allocated memory was 90.2 MB in the beginning and 3.8 GB in the end (delta: 3.7 GB). Free memory was 53.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,494 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:13:09,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.15 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 53.2 MB in the beginning and 95.0 MB in the end (delta: -41.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.47 ms. Allocated memory is still 123.7 MB. Free memory was 95.0 MB in the beginning and 93.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,495 INFO L168 Benchmark]: Boogie Preprocessor took 61.66 ms. Allocated memory is still 123.7 MB. Free memory was 93.1 MB in the beginning and 91.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,495 INFO L168 Benchmark]: RCFGBuilder took 517.56 ms. Allocated memory is still 123.7 MB. Free memory was 91.8 MB in the beginning and 79.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,496 INFO L168 Benchmark]: BuchiAutomizer took 228840.33 ms. Allocated memory was 123.7 MB in the beginning and 3.8 GB in the end (delta: 3.7 GB). Free memory was 79.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,496 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 3.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:13:09,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.15 ms. Allocated memory was 90.2 MB in the beginning and 123.7 MB in the end (delta: 33.6 MB). Free memory was 53.2 MB in the beginning and 95.0 MB in the end (delta: -41.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.47 ms. Allocated memory is still 123.7 MB. Free memory was 95.0 MB in the beginning and 93.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.66 ms. Allocated memory is still 123.7 MB. Free memory was 93.1 MB in the beginning and 91.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 517.56 ms. Allocated memory is still 123.7 MB. Free memory was 91.8 MB in the beginning and 79.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 228840.33 ms. Allocated memory was 123.7 MB in the beginning and 3.8 GB in the end (delta: 3.7 GB). Free memory was 79.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 3.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (5 trivial, 6 deterministic, 4 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 7 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 9 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One nondeterministic module has 2-nested ranking function (if 2 * unknown-#memory_int-unknown[y][y] + 1 > 0 then 1 else 0), (if 2 * unknown-#memory_int-unknown[y][y] + 1 > 0 then 2 * unknown-#memory_int-unknown[y][y] + 1 else 2 * unknown-#memory_int-unknown[x][x]) and consists of 13 locations. 5 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 228.7s and 16 iterations. TraceHistogramMax:4. Analysis of lassos took 146.7s. Construction of modules took 16.4s. Büchi inclusion checks took 65.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 14. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 184 StatesRemovedByMinimization, 13 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 72 states and ocurred in iteration 9. Nontrivial modules had stage [6, 0, 4, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/5 HoareTripleCheckerStatistics: 55 SDtfs, 200 SDslu, 60 SDs, 0 SdLazy, 1204 SolverSat, 269 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 16.4s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital2360291 mio100 ax100 hnf100 lsp99 ukn5 mio100 lsp36 div100 bol102 ite100 ukn100 eq178 hnf89 smp94 dnf150 smp89 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 266ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-02 22:13:09,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-11-02 22:13:09,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:09,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Ended with exit code 0 [2021-11-02 22:13:10,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:10,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-02 22:13:10,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5765c5-3a3d-41ce-a969-260cfe57c33f/bin/uautomizer-tBqnrhUYjU/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 Writing output log to file Ultimate.log Result: TRUE