./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:27:10,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:27:10,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:27:10,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:27:10,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:27:10,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:27:10,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:27:10,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:27:10,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:27:10,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:27:10,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:27:10,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:27:10,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:27:10,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:27:10,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:27:10,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:27:10,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:27:10,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:27:10,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:27:10,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:27:10,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:27:10,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:27:10,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:27:10,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:27:10,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:27:10,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:27:10,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:27:10,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:27:10,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:27:10,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:27:10,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:27:10,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:27:10,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:27:10,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:27:10,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:27:10,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:27:10,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:27:10,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:27:10,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:27:10,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:27:10,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:27:10,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:27:10,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:27:10,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:27:10,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:27:10,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:27:10,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:27:10,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:27:10,665 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:27:10,665 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:27:10,666 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:27:10,666 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:27:10,667 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:27:10,667 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:27:10,667 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:27:10,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:27:10,668 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:27:10,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:27:10,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:27:10,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:27:10,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:27:10,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:27:10,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:27:10,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:27:10,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:27:10,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:27:10,672 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:27:10,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:27:10,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:27:10,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:27:10,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:27:10,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:27:10,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:27:10,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:27:10,676 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:27:10,676 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_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c [2021-10-21 20:27:11,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:27:11,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:27:11,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:27:11,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:27:11,087 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:27:11,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loops/trex01-1.c [2021-10-21 20:27:11,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/data/b492b3039/965fd41c8a3e4e1fa101b2e1d6b0fe10/FLAGf27b6f1f9 [2021-10-21 20:27:11,833 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:27:11,835 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/sv-benchmarks/c/loops/trex01-1.c [2021-10-21 20:27:11,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/data/b492b3039/965fd41c8a3e4e1fa101b2e1d6b0fe10/FLAGf27b6f1f9 [2021-10-21 20:27:12,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/data/b492b3039/965fd41c8a3e4e1fa101b2e1d6b0fe10 [2021-10-21 20:27:12,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:27:12,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:27:12,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:12,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:27:12,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:27:12,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a7b8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12, skipping insertion in model container [2021-10-21 20:27:12,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:27:12,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:27:12,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/sv-benchmarks/c/loops/trex01-1.c[320,333] [2021-10-21 20:27:12,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:12,521 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:27:12,538 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/sv-benchmarks/c/loops/trex01-1.c[320,333] [2021-10-21 20:27:12,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:12,576 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:27:12,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12 WrapperNode [2021-10-21 20:27:12,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:12,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:12,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:27:12,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:27:12,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:12,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:27:12,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:27:12,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:27:12,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:27:12,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:27:12,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:27:12,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:27:12,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (1/1) ... [2021-10-21 20:27:12,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:12,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:12,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:12,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:27:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:27:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:27:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:27:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:27:13,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:27:13,250 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-21 20:27:13,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:13 BoogieIcfgContainer [2021-10-21 20:27:13,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:27:13,270 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:27:13,270 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:27:13,274 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:27:13,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:27:13,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:27:12" (1/3) ... [2021-10-21 20:27:13,290 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d119057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:27:13, skipping insertion in model container [2021-10-21 20:27:13,290 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:27:13,290 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:12" (2/3) ... [2021-10-21 20:27:13,291 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d119057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:27:13, skipping insertion in model container [2021-10-21 20:27:13,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:27:13,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:13" (3/3) ... [2021-10-21 20:27:13,293 INFO L389 chiAutomizerObserver]: Analyzing ICFG trex01-1.c [2021-10-21 20:27:13,374 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:27:13,374 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:27:13,375 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:27:13,375 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:27:13,375 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:27:13,375 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:27:13,376 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:27:13,376 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:27:13,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:13,433 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-21 20:27:13,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:13,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:13,442 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:27:13,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:27:13,443 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:27:13,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:13,449 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-21 20:27:13,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:13,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:13,451 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:27:13,451 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:27:13,461 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 14#L-1true havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 17#L37true assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 3#L16true assume !!(f_~k~0 <= 1073741823); 11#L19-1true [2021-10-21 20:27:13,461 INFO L793 eck$LassoCheckResult]: Loop: 11#L19-1true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 11#L19-1true [2021-10-21 20:27:13,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:13,471 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-10-21 20:27:13,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:13,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70867940] [2021-10-21 20:27:13,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:13,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:13,648 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:13,698 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:13,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:13,702 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-10-21 20:27:13,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:13,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589997121] [2021-10-21 20:27:13,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:13,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:13,710 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:13,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:13,719 INFO L82 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2021-10-21 20:27:13,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:13,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281179413] [2021-10-21 20:27:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:13,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:13,764 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:13,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:14,752 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:14,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:14,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:14,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:14,753 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:14,754 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:14,754 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:14,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:14,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration1_Lasso [2021-10-21 20:27:14,755 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:14,755 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:14,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:14,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:15,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:15,373 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:15,379 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:15,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:15,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:15,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:15,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:15,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:15,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:15,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:15,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:15,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:15,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:15,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:15,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:27:15,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:15,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:15,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:15,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:15,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:15,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:27:15,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:15,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:15,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:15,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:15,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:15,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:15,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:15,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:15,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:15,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 20:27:15,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:15,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:15,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:15,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:27:15,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:15,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:15,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:15,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:15,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:15,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:15,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:15,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:15,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:15,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:15,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:15,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:15,643 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:15,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:27:15,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:15,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:15,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:15,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:15,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:15,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:15,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:15,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:15,722 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 20:27:15,722 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:27:15,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:15,745 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:15,770 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:15,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:27:15,789 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:15,790 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:15,790 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2021-10-21 20:27:15,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:15,884 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:15,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:15,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:27:15,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:16,053 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:16,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:16,081 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-10-21 20:27:16,083 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:16,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 100 transitions. Complement of second has 7 states. [2021-10-21 20:27:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2021-10-21 20:27:16,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 71 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-21 20:27:16,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:16,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 71 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 20:27:16,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:16,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 71 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:27:16,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:16,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 100 transitions. [2021-10-21 20:27:16,246 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2021-10-21 20:27:16,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 24 states and 32 transitions. [2021-10-21 20:27:16,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-21 20:27:16,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 20:27:16,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2021-10-21 20:27:16,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:16,254 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 32 transitions. [2021-10-21 20:27:16,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2021-10-21 20:27:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2021-10-21 20:27:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-10-21 20:27:16,291 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-21 20:27:16,291 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-21 20:27:16,291 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:27:16,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-10-21 20:27:16,293 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-21 20:27:16,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:16,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:16,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:27:16,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 20:27:16,295 INFO L791 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 180#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 186#L37 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 175#L16-1 assume !!(f_~k~0 <= 1073741823); 176#L19-4 [2021-10-21 20:27:16,295 INFO L793 eck$LassoCheckResult]: Loop: 176#L19-4 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 176#L19-4 [2021-10-21 20:27:16,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:16,296 INFO L82 PathProgramCache]: Analyzing trace with hash 927176, now seen corresponding path program 1 times [2021-10-21 20:27:16,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:16,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273087373] [2021-10-21 20:27:16,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:16,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:16,344 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:16,439 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:16,440 INFO L82 PathProgramCache]: Analyzing trace with hash 99, now seen corresponding path program 1 times [2021-10-21 20:27:16,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:16,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616378397] [2021-10-21 20:27:16,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:16,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:16,452 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:16,464 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:16,465 INFO L82 PathProgramCache]: Analyzing trace with hash 28742524, now seen corresponding path program 1 times [2021-10-21 20:27:16,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:16,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14647797] [2021-10-21 20:27:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:16,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:16,482 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:16,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:16,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:17,056 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:17,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:17,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:17,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:17,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:17,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:17,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:17,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:17,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration2_Lasso [2021-10-21 20:27:17,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:17,058 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:17,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:17,564 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:17,564 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:17,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:17,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:17,573 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:17,578 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 [2021-10-21 20:27:17,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:17,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:17,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:17,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:17,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:17,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:17,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:27:17,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:17,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 20:27:17,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:17,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:17,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:17,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:17,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:17,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:17,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:17,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:17,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:17,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:17,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:17,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:27:17,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:17,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:17,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:17,756 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:17,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:17,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:17,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:17,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:17,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:17,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:17,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:17,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:27:17,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:17,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:17,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:17,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:17,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:17,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:17,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:17,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:17,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:17,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:17,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:17,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:27:17,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:17,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:17,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:17,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:17,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:17,946 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:17,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:17,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:17,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:17,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:17,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:17,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:17,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:17,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:17,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:27:17,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,007 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,034 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 [2021-10-21 20:27:18,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:18,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:18,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:18,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:27:18,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,116 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,124 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 [2021-10-21 20:27:18,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:27:18,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:27:18,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,315 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:27:18,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,401 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:27:18,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,497 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:27:18,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,592 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:27:18,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,690 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:27:18,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,746 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:27:18,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,841 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:27:18,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:18,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:18,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:18,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:18,930 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:18,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:18,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:18,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:18,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:18,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:18,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:18,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:18,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:27:18,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,011 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:27:19,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:19,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:19,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-21 20:27:19,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,072 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:27:19,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:19,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:19,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,139 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:27:19,142 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 [2021-10-21 20:27:19,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:19,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:19,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:19,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-21 20:27:19,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,186 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:27:19,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:19,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:19,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:19,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-21 20:27:19,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,226 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:27:19,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:19,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:19,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:19,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-21 20:27:19,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,268 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:27:19,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:19,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:19,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:19,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,334 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:27:19,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:19,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:19,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:19,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-21 20:27:19,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,376 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:27:19,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:19,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:19,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,452 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:27:19,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:19,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:19,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,537 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:27:19,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:19,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:19,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:19,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,617 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:27:19,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:19,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:19,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:19,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,701 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:19,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:19,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:19,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:19,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:19,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:19,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:19,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:27:19,749 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:19,761 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 20:27:19,762 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:27:19,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:19,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:19,764 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:19,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:19,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:27:19,785 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:19,785 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:19,785 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2021-10-21 20:27:19,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:19,865 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:19,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:27:19,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:19,960 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:19,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:19,962 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-10-21 20:27:19,962 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:20,016 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 41 transitions. Complement of second has 6 states. [2021-10-21 20:27:20,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:27:20,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-21 20:27:20,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:20,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 20:27:20,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:20,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:27:20,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:20,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2021-10-21 20:27:20,020 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-10-21 20:27:20,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 25 states and 34 transitions. [2021-10-21 20:27:20,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-21 20:27:20,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 20:27:20,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-10-21 20:27:20,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:20,022 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-21 20:27:20,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-10-21 20:27:20,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2021-10-21 20:27:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-21 20:27:20,026 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 20:27:20,026 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-21 20:27:20,026 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:27:20,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-21 20:27:20,027 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:20,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:20,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:20,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:20,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:20,029 INFO L791 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 302#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 308#L37 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 293#L16 assume !!(f_~k~0 <= 1073741823); 294#L19-1 assume !(f_~z~0 < f_~k~0); 295#L19-2 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 296#L6 assume !(0 == __VERIFIER_assert_~cond); 303#L24-2 [2021-10-21 20:27:20,029 INFO L793 eck$LassoCheckResult]: Loop: 303#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 304#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 303#L24-2 [2021-10-21 20:27:20,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1805001232, now seen corresponding path program 1 times [2021-10-21 20:27:20,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:20,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479331252] [2021-10-21 20:27:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:20,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:20,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:20,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479331252] [2021-10-21 20:27:20,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479331252] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:20,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:20,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:20,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884830102] [2021-10-21 20:27:20,120 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:20,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:20,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2280, now seen corresponding path program 1 times [2021-10-21 20:27:20,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:20,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256349778] [2021-10-21 20:27:20,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:20,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,160 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:20,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:20,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:20,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:27:20,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:20,259 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 11 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:20,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:20,323 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-10-21 20:27:20,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:27:20,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-10-21 20:27:20,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:20,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 19 states and 24 transitions. [2021-10-21 20:27:20,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 20:27:20,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 20:27:20,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2021-10-21 20:27:20,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:20,327 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-21 20:27:20,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2021-10-21 20:27:20,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-21 20:27:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-10-21 20:27:20,330 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-21 20:27:20,330 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-10-21 20:27:20,330 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:27:20,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-10-21 20:27:20,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:20,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:20,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:20,332 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:20,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:20,333 INFO L791 eck$LassoCheckResult]: Stem: 352#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 353#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 359#L37 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 344#L16 assume !!(f_~k~0 <= 1073741823); 345#L19-1 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 356#L19-1 assume !(f_~z~0 < f_~k~0); 346#L19-2 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 347#L6 assume !(0 == __VERIFIER_assert_~cond); 354#L24-2 [2021-10-21 20:27:20,333 INFO L793 eck$LassoCheckResult]: Loop: 354#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 355#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 354#L24-2 [2021-10-21 20:27:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash 120516973, now seen corresponding path program 1 times [2021-10-21 20:27:20,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:20,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014912384] [2021-10-21 20:27:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:20,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,386 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:20,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:20,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2280, now seen corresponding path program 2 times [2021-10-21 20:27:20,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:20,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361187552] [2021-10-21 20:27:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:20,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,408 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:20,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:20,418 INFO L82 PathProgramCache]: Analyzing trace with hash -147304620, now seen corresponding path program 1 times [2021-10-21 20:27:20,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:20,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551978155] [2021-10-21 20:27:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:20,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:20,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:21,113 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:21,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:21,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:21,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:21,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:21,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:21,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:21,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:21,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration4_Lasso [2021-10-21 20:27:21,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:21,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:21,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:21,631 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:21,631 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:21,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:21,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:21,637 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:21,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:21,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:21,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:21,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:21,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:21,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:21,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:21,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:21,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:27:21,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:21,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:21,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:21,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:21,706 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:21,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:21,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:21,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:21,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:21,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:21,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:21,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:21,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:27:21,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:21,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:21,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:21,781 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:21,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:21,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:27:21,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:21,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:21,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:21,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:21,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:21,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:21,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:21,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:21,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:21,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:21,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:21,857 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:21,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:21,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:21,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:21,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:21,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:21,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:21,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:21,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:21,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:27:21,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:21,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:21,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:21,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:21,937 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:21,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:21,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:21,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:21,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:21,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:21,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:27:21,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:21,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:21,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:22,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:22,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:22,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:22,037 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:22,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:27:22,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:22,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:22,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:22,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:22,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:22,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:22,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:22,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:22,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 20:27:22,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:22,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:22,126 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:22,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:27:22,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:22,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:22,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:22,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:22,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:22,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:22,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:22,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:22,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:22,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:22,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:22,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:22,211 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:22,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:22,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:22,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:22,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:22,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:22,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:22,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:22,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:22,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:27:22,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:22,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:22,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:22,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:22,293 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:22,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:22,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:27:22,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:22,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:22,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:22,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:22,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:22,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:22,336 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:22,349 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-21 20:27:22,349 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-21 20:27:22,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:22,351 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:22,353 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:22,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:27:22,368 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:22,368 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:22,368 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 20:27:22,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:22,421 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:22,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:22,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:22,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:22,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:22,606 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:22,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:22,651 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 32 transitions. Complement of second has 6 states. [2021-10-21 20:27:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-21 20:27:22,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 20:27:22,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:22,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-21 20:27:22,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:22,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-21 20:27:22,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:22,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-10-21 20:27:22,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:22,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 31 transitions. [2021-10-21 20:27:22,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 20:27:22,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-21 20:27:22,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2021-10-21 20:27:22,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:22,657 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-21 20:27:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2021-10-21 20:27:22,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-10-21 20:27:22,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2021-10-21 20:27:22,660 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-21 20:27:22,661 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-21 20:27:22,661 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:27:22,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2021-10-21 20:27:22,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:22,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:22,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:22,663 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:22,663 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:22,663 INFO L791 eck$LassoCheckResult]: Stem: 486#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 487#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 496#L37 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 482#L16-1 assume !!(f_~k~0 <= 1073741823); 483#L19-4 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 497#L19-4 assume !(f_~z~0 < f_~k~0); 498#L19-5 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 499#L6-3 assume !(0 == __VERIFIER_assert_~cond); 484#L24-5 [2021-10-21 20:27:22,663 INFO L793 eck$LassoCheckResult]: Loop: 484#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 485#L24-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 484#L24-5 [2021-10-21 20:27:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:22,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1570106317, now seen corresponding path program 1 times [2021-10-21 20:27:22,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:22,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159645168] [2021-10-21 20:27:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:22,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:22,677 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:22,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash 3848, now seen corresponding path program 1 times [2021-10-21 20:27:22,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:22,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918182632] [2021-10-21 20:27:22,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:22,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:22,697 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:22,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1338652628, now seen corresponding path program 1 times [2021-10-21 20:27:22,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:22,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639593287] [2021-10-21 20:27:22,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:22,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:22,715 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:22,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:23,270 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:23,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:23,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:23,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:23,271 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:23,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:23,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:23,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:23,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration5_Lasso [2021-10-21 20:27:23,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:23,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:23,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:23,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:23,779 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:23,779 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:23,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:23,781 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:23,783 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 [2021-10-21 20:27:23,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:23,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:23,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:23,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:23,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:23,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:23,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:27:23,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:23,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:23,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:23,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:23,857 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:23,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:23,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:23,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:23,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:23,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:23,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:23,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:23,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:27:23,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:23,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:23,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:23,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:23,919 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:23,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:27:23,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:23,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:23,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:23,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:23,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:23,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:23,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:23,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:23,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 20:27:23,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:23,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:23,965 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:23,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:27:23,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:23,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:23,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:23,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:23,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:23,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:23,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,055 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:27:24,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,133 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:27:24,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,210 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:27:24,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-21 20:27:24,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,256 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:27:24,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 20:27:24,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,310 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:27:24,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-21 20:27:24,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,355 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:27:24,357 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 [2021-10-21 20:27:24,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,401 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:27:24,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-21 20:27:24,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,476 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:27:24,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 20:27:24,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,545 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:27:24,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,637 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:27:24,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,721 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:27:24,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,788 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:27:24,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:24,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:24,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:24,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:24,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,873 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:24,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:24,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:27:24,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-21 20:27:24,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,951 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 20:27:24,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:24,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:24,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:24,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:24,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:24,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:24,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:24,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:24,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:24,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-21 20:27:24,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:24,991 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:24,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 20:27:24,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:25,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:25,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:25,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:25,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:25,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:25,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:25,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:25,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:25,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-21 20:27:25,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,031 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:27:25,033 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 [2021-10-21 20:27:25,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:25,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:25,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:25,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:25,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:25,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:25,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:25,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:25,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-21 20:27:25,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,097 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:25,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:25,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:25,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:25,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:25,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:25,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:25,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:25,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:27:25,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:25,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:25,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,178 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:25,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:25,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:25,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:25,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:25,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:25,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:25,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 20:27:25,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:25,235 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 20:27:25,235 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-21 20:27:25,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,236 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,239 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:25,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:27:25,274 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:25,274 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:25,274 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 20:27:25,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 20:27:25,337 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:25,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:25,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:25,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:25,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:25,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:25,504 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:25,504 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 30 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:25,542 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 30 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 38 transitions. Complement of second has 6 states. [2021-10-21 20:27:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-10-21 20:27:25,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 20:27:25,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:25,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-21 20:27:25,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:25,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-21 20:27:25,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:25,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2021-10-21 20:27:25,546 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:25,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 37 transitions. [2021-10-21 20:27:25,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-21 20:27:25,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-21 20:27:25,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2021-10-21 20:27:25,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:25,548 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2021-10-21 20:27:25,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2021-10-21 20:27:25,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-10-21 20:27:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-10-21 20:27:25,552 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-21 20:27:25,552 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-21 20:27:25,552 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:27:25,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2021-10-21 20:27:25,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:27:25,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:25,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:25,554 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:25,554 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:27:25,555 INFO L791 eck$LassoCheckResult]: Stem: 626#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 627#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 641#L37 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 620#L16 assume !!(f_~k~0 <= 1073741823); 621#L19-1 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 638#L19-1 assume !(f_~z~0 < f_~k~0); 622#L19-2 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 623#L6 assume !(0 == __VERIFIER_assert_~cond); 646#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 637#L24 assume 0 != f_~c~0 % 256; 639#L25 [2021-10-21 20:27:25,555 INFO L793 eck$LassoCheckResult]: Loop: 639#L25 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet11 % 256;havoc f_#t~nondet11;f_~z~0 := f_~z~0 - 1; 633#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 634#L24 assume 0 != f_~c~0 % 256; 639#L25 [2021-10-21 20:27:25,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:25,556 INFO L82 PathProgramCache]: Analyzing trace with hash -147304624, now seen corresponding path program 1 times [2021-10-21 20:27:25,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:25,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599522977] [2021-10-21 20:27:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:25,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:25,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:25,583 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:25,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:25,584 INFO L82 PathProgramCache]: Analyzing trace with hash 75312, now seen corresponding path program 1 times [2021-10-21 20:27:25,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:25,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257502621] [2021-10-21 20:27:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:25,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:25,590 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:25,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:25,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:25,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1104568449, now seen corresponding path program 1 times [2021-10-21 20:27:25,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:25,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552618779] [2021-10-21 20:27:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:25,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:25,610 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:25,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:25,690 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:25,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:25,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:25,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:25,691 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:25,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:25,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:25,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Loop [2021-10-21 20:27:25,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:25,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:25,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:25,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:25,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:25,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:25,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:25,866 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:25,866 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:25,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,869 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:27:25,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:25,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:25,895 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:25,895 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet10=128, ULTIMATE.start_f_~c~0=128} Honda state: {ULTIMATE.start_f_#t~nondet10=128, ULTIMATE.start_f_~c~0=128} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:25,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 20:27:25,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,922 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:25,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:25,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:27:25,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-21 20:27:25,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:25,986 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:25,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:27:25,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:25,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:26,015 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:26,015 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=-2}, {ULTIMATE.start_f_~z~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-10-21 20:27:26,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:26,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:26,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:26,042 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:26,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:27:26,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:26,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:26,068 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:26,068 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0=192, ULTIMATE.start_f_#t~nondet11=192} Honda state: {ULTIMATE.start_f_~y~0=192, ULTIMATE.start_f_#t~nondet11=192} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:26,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 20:27:26,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:26,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:26,096 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:26,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:27:26,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:26,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:26,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:26,114 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:26,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-21 20:27:26,690 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:26,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:26,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:26,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:26,691 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:26,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:26,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:26,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:26,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Lasso [2021-10-21 20:27:26,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:26,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:26,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:26,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:27,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:27,187 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:27,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,199 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 20:27:27,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 20:27:27,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,242 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 20:27:27,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-21 20:27:27,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,284 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:27:27,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 20:27:27,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,337 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:27:27,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,393 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:27,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:27,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:27,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:27:27,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,473 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:27,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:27,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:27,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:27:27,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 20:27:27,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,550 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:27:27,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:27,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:27,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:27,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 20:27:27,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,590 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:27:27,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,652 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:27:27,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,694 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:27:27,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,738 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:27:27,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-21 20:27:27,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,783 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:27:27,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,827 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:27:27,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 20:27:27,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,870 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 20:27:27,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:27,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:27,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:27,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:27,960 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:27,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:27,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:27,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:27,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:27,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:27,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:27,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:27,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 20:27:27,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:28,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,038 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:28,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 20:27:28,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-21 20:27:28,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,108 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 20:27:28,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:28,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-21 20:27:28,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,155 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 20:27:28,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:28,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:28,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,198 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 20:27:28,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:28,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:28,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,242 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 20:27:28,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:28,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-21 20:27:28,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,318 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,334 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 [2021-10-21 20:27:28,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 20:27:28,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:28,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:28,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,404 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:28,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 20:27:28,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:28,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:28,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:28,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:28,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:28,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:28,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:28,445 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 20:27:28,445 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-21 20:27:28,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:28,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:28,449 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:28,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:28,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 20:27:28,478 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:28,478 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:28,479 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 20:27:28,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:28,532 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:28,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:28,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:28,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:28,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:28,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:28,771 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-21 20:27:28,772 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:28,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 37 states and 49 transitions. Complement of second has 7 states. [2021-10-21 20:27:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2021-10-21 20:27:28,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-21 20:27:28,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:28,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 13 letters. Loop has 3 letters. [2021-10-21 20:27:28,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:28,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-21 20:27:28,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:28,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 49 transitions. [2021-10-21 20:27:28,828 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:27:28,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 44 transitions. [2021-10-21 20:27:28,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-21 20:27:28,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-21 20:27:28,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2021-10-21 20:27:28,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:28,830 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-21 20:27:28,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2021-10-21 20:27:28,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-10-21 20:27:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2021-10-21 20:27:28,846 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 20:27:28,846 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2021-10-21 20:27:28,847 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:27:28,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2021-10-21 20:27:28,848 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 20:27:28,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:28,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:28,850 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:28,850 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:27:28,850 INFO L791 eck$LassoCheckResult]: Stem: 797#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 798#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 807#L37 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 790#L16-1 assume !!(f_~k~0 <= 1073741823); 791#L19-4 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 808#L19-4 assume !(f_~z~0 < f_~k~0); 809#L19-5 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 810#L6-3 assume !(0 == __VERIFIER_assert_~cond); 811#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 796#L24-3 assume 0 != f_~c~0 % 256; 806#L25-1 [2021-10-21 20:27:28,850 INFO L793 eck$LassoCheckResult]: Loop: 806#L25-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet11 % 256;havoc f_#t~nondet11;f_~z~0 := f_~z~0 - 1; 792#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 793#L24-3 assume 0 != f_~c~0 % 256; 806#L25-1 [2021-10-21 20:27:28,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:28,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1338652624, now seen corresponding path program 1 times [2021-10-21 20:27:28,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:28,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374554115] [2021-10-21 20:27:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:28,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:28,870 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:28,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash 123969, now seen corresponding path program 1 times [2021-10-21 20:27:28,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:28,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986073480] [2021-10-21 20:27:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:28,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:28,917 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:28,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:28,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:28,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1029072402, now seen corresponding path program 1 times [2021-10-21 20:27:28,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:28,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567456334] [2021-10-21 20:27:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:28,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:28,953 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:28,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:29,028 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:29,028 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:29,028 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:29,028 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:29,028 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:29,029 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,029 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:29,029 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:29,029 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Loop [2021-10-21 20:27:29,029 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:29,029 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:29,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:29,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:29,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:29,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:29,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:29,148 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:29,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:29,152 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:29,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 20:27:29,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:29,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:29,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:29,180 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet10=-64, ULTIMATE.start_f_~c~0=-64} Honda state: {ULTIMATE.start_f_#t~nondet10=-64, ULTIMATE.start_f_~c~0=-64} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:29,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:29,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:29,208 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:29,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 20:27:29,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:29,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:29,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 20:27:29,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:29,247 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:29,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 20:27:29,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:29,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:29,284 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:29,284 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=-2}, {ULTIMATE.start_f_~z~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-10-21 20:27:29,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:29,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:29,328 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:29,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:29,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:29,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 20:27:29,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:29,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0=143, ULTIMATE.start_f_#t~nondet11=143} Honda state: {ULTIMATE.start_f_~y~0=143, ULTIMATE.start_f_#t~nondet11=143} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:29,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:29,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:29,396 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:29,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 20:27:29,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:29,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:29,415 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:29,415 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:29,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:29,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:29,995 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:29,995 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:29,996 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:29,996 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:29,996 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:29,996 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:29,996 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:29,996 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:29,996 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Lasso [2021-10-21 20:27:29,996 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:29,996 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:29,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:30,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:30,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:30,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,469 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:30,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:30,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:30,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:30,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:30,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:30,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:30,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 20:27:30,498 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:30,504 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 20:27:30,504 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:27:30,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:30,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:30,505 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:30,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 20:27:30,506 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:30,518 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2021-10-21 20:27:30,518 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:30,518 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0) = 1*ULTIMATE.start_f_~x~0 Supporting invariants [1*ULTIMATE.start_f_~x~0 - 1 >= 0, 1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 20:27:30,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,565 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-10-21 20:27:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:30,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:30,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:30,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:30,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:30,797 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-21 20:27:30,797 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 43 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:30,879 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 43 transitions. cyclomatic complexity: 18. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 56 transitions. Complement of second has 7 states. [2021-10-21 20:27:30,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2021-10-21 20:27:30,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-21 20:27:30,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:30,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 13 letters. Loop has 3 letters. [2021-10-21 20:27:30,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:30,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-21 20:27:30,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:30,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 56 transitions. [2021-10-21 20:27:30,885 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:27:30,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 38 states and 51 transitions. [2021-10-21 20:27:30,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-21 20:27:30,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-10-21 20:27:30,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 51 transitions. [2021-10-21 20:27:30,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:30,887 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2021-10-21 20:27:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 51 transitions. [2021-10-21 20:27:30,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2021-10-21 20:27:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2021-10-21 20:27:30,890 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2021-10-21 20:27:30,890 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2021-10-21 20:27:30,890 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:27:30,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 50 transitions. [2021-10-21 20:27:30,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:27:30,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:30,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:30,891 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:30,892 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:30,892 INFO L791 eck$LassoCheckResult]: Stem: 976#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 977#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 988#L37 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 966#L16 assume !!(f_~k~0 <= 1073741823); 967#L19-1 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 982#L19-1 assume !(f_~z~0 < f_~k~0); 968#L19-2 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 969#L6 assume !(0 == __VERIFIER_assert_~cond); 993#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 996#L24 assume 0 != f_~c~0 % 256; 983#L25 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet11 % 256;havoc f_#t~nondet11;f_~z~0 := f_~z~0 - 1; 984#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1002#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 978#L24-2 [2021-10-21 20:27:30,892 INFO L793 eck$LassoCheckResult]: Loop: 978#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 979#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 978#L24-2 [2021-10-21 20:27:30,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1104568453, now seen corresponding path program 1 times [2021-10-21 20:27:30,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:30,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425267317] [2021-10-21 20:27:30,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:30,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:30,906 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:30,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:30,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:30,921 INFO L82 PathProgramCache]: Analyzing trace with hash 2280, now seen corresponding path program 3 times [2021-10-21 20:27:30,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:30,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767989145] [2021-10-21 20:27:30,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:30,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:30,937 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:30,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:30,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:30,942 INFO L82 PathProgramCache]: Analyzing trace with hash 633362540, now seen corresponding path program 2 times [2021-10-21 20:27:30,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:30,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680179675] [2021-10-21 20:27:30,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:30,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:30,955 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:30,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:30,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:31,741 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:31,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:31,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:31,741 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:31,741 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:31,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:31,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:31,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:31,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration8_Lasso [2021-10-21 20:27:31,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:31,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:31,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:31,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:32,284 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:32,284 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:32,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,286 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 20:27:32,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,353 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 20:27:32,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,427 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 20:27:32,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-21 20:27:32,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,473 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 20:27:32,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,548 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 20:27:32,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-21 20:27:32,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,593 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 20:27:32,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,638 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 20:27:32,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,680 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 20:27:32,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,732 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 20:27:32,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,775 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 20:27:32,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-10-21 20:27:32,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,817 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 20:27:32,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-21 20:27:32,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,880 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 20:27:32,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:32,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:32,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:32,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:32,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,922 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 20:27:32,923 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 [2021-10-21 20:27:32,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:32,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:32,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:32,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:32,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:32,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:32,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:33,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:33,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:33,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:33,009 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:33,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 20:27:33,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:33,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:33,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:33,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:33,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:33,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:33,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:33,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:33,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:33,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:33,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:33,052 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:33,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 20:27:33,054 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 [2021-10-21 20:27:33,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:33,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:33,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:33,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:33,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:33,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:33,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:33,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-10-21 20:27:33,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:33,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:33,105 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:33,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-21 20:27:33,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:33,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:33,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:33,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:33,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:33,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:33,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:33,128 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:33,134 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 20:27:33,134 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-21 20:27:33,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:33,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:33,136 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:33,137 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:33,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-21 20:27:33,150 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:33,150 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:33,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 20:27:33,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:33,202 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:33,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:33,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:33,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:33,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:33,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:33,433 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:33,433 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 50 transitions. cyclomatic complexity: 21 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:33,486 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 50 transitions. cyclomatic complexity: 21. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 55 states and 72 transitions. Complement of second has 6 states. [2021-10-21 20:27:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:27:33,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-21 20:27:33,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:33,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:33,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:33,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 13 letters. Loop has 4 letters. [2021-10-21 20:27:33,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:33,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 72 transitions. [2021-10-21 20:27:33,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:27:33,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 62 transitions. [2021-10-21 20:27:33,494 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 20:27:33,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 20:27:33,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 62 transitions. [2021-10-21 20:27:33,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:33,495 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-10-21 20:27:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 62 transitions. [2021-10-21 20:27:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2021-10-21 20:27:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 44 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2021-10-21 20:27:33,498 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 60 transitions. [2021-10-21 20:27:33,498 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 60 transitions. [2021-10-21 20:27:33,499 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:27:33,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 60 transitions. [2021-10-21 20:27:33,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:27:33,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:33,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:33,502 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:33,502 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:33,503 INFO L791 eck$LassoCheckResult]: Stem: 1169#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1170#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 1187#L37 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 1167#L16-1 assume !!(f_~k~0 <= 1073741823); 1168#L19-4 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 1188#L19-4 assume !(f_~z~0 < f_~k~0); 1189#L19-5 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1190#L6-3 assume !(0 == __VERIFIER_assert_~cond); 1171#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1172#L24-3 assume 0 != f_~c~0 % 256; 1185#L25-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet11 % 256;havoc f_#t~nondet11;f_~z~0 := f_~z~0 - 1; 1174#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1175#L24-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1192#L24-5 [2021-10-21 20:27:33,503 INFO L793 eck$LassoCheckResult]: Loop: 1192#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1191#L24-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1192#L24-5 [2021-10-21 20:27:33,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:33,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1029072406, now seen corresponding path program 1 times [2021-10-21 20:27:33,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:33,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400103424] [2021-10-21 20:27:33,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:33,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:33,514 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:33,527 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:33,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:33,528 INFO L82 PathProgramCache]: Analyzing trace with hash 3848, now seen corresponding path program 2 times [2021-10-21 20:27:33,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:33,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201063696] [2021-10-21 20:27:33,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:33,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:33,533 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:33,536 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:33,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:33,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1096106973, now seen corresponding path program 2 times [2021-10-21 20:27:33,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:33,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783773138] [2021-10-21 20:27:33,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:33,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:33,549 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:33,562 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:33,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:34,318 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:34,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:34,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:34,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:34,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:34,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:34,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:34,318 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:34,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration9_Lasso [2021-10-21 20:27:34,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:34,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:34,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:34,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:34,776 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:34,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:34,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:34,777 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:34,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-21 20:27:34,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:34,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:34,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:34,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:34,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:34,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:34,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:34,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:34,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-10-21 20:27:34,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:34,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:34,823 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:34,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-21 20:27:34,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:34,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:34,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:34,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:34,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:34,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:34,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:34,861 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:34,881 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 20:27:34,882 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-10-21 20:27:34,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:34,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:34,889 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:34,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:34,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-21 20:27:34,926 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:34,926 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:34,926 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 20:27:34,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:34,994 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:35,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:35,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:35,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:35,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:35,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:35,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:35,294 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:35,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 60 transitions. cyclomatic complexity: 25 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:35,339 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 60 transitions. cyclomatic complexity: 25. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 63 states and 82 transitions. Complement of second has 6 states. [2021-10-21 20:27:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:27:35,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 13 letters. Loop has 2 letters. [2021-10-21 20:27:35,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:35,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:35,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:35,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 13 letters. Loop has 4 letters. [2021-10-21 20:27:35,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:35,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 82 transitions. [2021-10-21 20:27:35,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:27:35,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 55 states and 72 transitions. [2021-10-21 20:27:35,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-10-21 20:27:35,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-21 20:27:35,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 72 transitions. [2021-10-21 20:27:35,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:35,353 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2021-10-21 20:27:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 72 transitions. [2021-10-21 20:27:35,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2021-10-21 20:27:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.320754716981132) internal successors, (70), 52 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2021-10-21 20:27:35,370 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 70 transitions. [2021-10-21 20:27:35,370 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 70 transitions. [2021-10-21 20:27:35,371 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:27:35,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 70 transitions. [2021-10-21 20:27:35,372 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 20:27:35,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:35,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:35,374 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:35,374 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:35,374 INFO L791 eck$LassoCheckResult]: Stem: 1382#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1383#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 1401#L37 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 1376#L16 assume !!(f_~k~0 <= 1073741823); 1377#L19-1 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 1394#L19-1 assume !(f_~z~0 < f_~k~0); 1378#L19-2 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1379#L6 assume !(0 == __VERIFIER_assert_~cond); 1389#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1391#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1425#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1424#L24 assume 0 != f_~c~0 % 256; 1422#L25 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet11 % 256;havoc f_#t~nondet11;f_~z~0 := f_~z~0 - 1; 1421#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1419#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1418#L24-2 [2021-10-21 20:27:35,375 INFO L793 eck$LassoCheckResult]: Loop: 1418#L24-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1417#L24 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1418#L24-2 [2021-10-21 20:27:35,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:35,375 INFO L82 PathProgramCache]: Analyzing trace with hash 743348990, now seen corresponding path program 3 times [2021-10-21 20:27:35,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:35,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905896866] [2021-10-21 20:27:35,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:35,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:35,401 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:35,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2280, now seen corresponding path program 4 times [2021-10-21 20:27:35,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:35,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418383943] [2021-10-21 20:27:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:35,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:35,439 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:35,444 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:35,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1393809573, now seen corresponding path program 4 times [2021-10-21 20:27:35,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:35,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329029006] [2021-10-21 20:27:35,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:35,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:35,463 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:35,481 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:36,245 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:36,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:36,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:36,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:36,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:36,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:36,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:36,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:36,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration10_Lasso [2021-10-21 20:27:36,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:36,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:36,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:36,685 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:36,686 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:36,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:36,688 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:36,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-21 20:27:36,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:36,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:36,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:36,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:36,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:36,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:36,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:36,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:36,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:36,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:36,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:36,728 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:36,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-21 20:27:36,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:36,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:36,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:36,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:36,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:36,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:36,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:36,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:36,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:36,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:36,771 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:36,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-21 20:27:36,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:36,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:36,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:36,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:36,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:36,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:36,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:36,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:36,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:36,813 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:36,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-21 20:27:36,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:36,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:36,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:36,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:36,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:36,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:36,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:36,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:36,846 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 20:27:36,847 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-21 20:27:36,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:36,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:36,848 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:36,850 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:36,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-21 20:27:36,862 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:36,862 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:36,862 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 20:27:36,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:36,906 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:36,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:36,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:36,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:37,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:37,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:37,137 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:37,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:37,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 61 states and 78 transitions. Complement of second has 6 states. [2021-10-21 20:27:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:37,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:27:37,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:37,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:37,181 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:27:37,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:37,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:37,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:37,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:37,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:37,432 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:37,432 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:37,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 61 states and 78 transitions. Complement of second has 6 states. [2021-10-21 20:27:37,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-10-21 20:27:37,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:37,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:37,494 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:27:37,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:37,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:37,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:37,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:37,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:37,821 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 2 loop predicates [2021-10-21 20:27:37,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:37,860 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 29. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 64 states and 83 transitions. Complement of second has 5 states. [2021-10-21 20:27:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:37,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:37,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-21 20:27:37,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:37,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:37,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 20:27:37,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:37,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-21 20:27:37,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:37,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 83 transitions. [2021-10-21 20:27:37,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:27:37,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 28 states and 36 transitions. [2021-10-21 20:27:37,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-21 20:27:37,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-21 20:27:37,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 36 transitions. [2021-10-21 20:27:37,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:37,865 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-21 20:27:37,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 36 transitions. [2021-10-21 20:27:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-10-21 20:27:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-10-21 20:27:37,867 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-21 20:27:37,868 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-21 20:27:37,868 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:27:37,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2021-10-21 20:27:37,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:27:37,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:37,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:37,870 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:37,870 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:27:37,870 INFO L791 eck$LassoCheckResult]: Stem: 1855#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1856#L-1 havoc main_#res;havoc main_#t~nondet12, main_~c~1;main_~c~1 := main_#t~nondet12;havoc main_#t~nondet12; 1865#L37 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet7, f_#t~nondet8, f_#t~nondet9, f_#t~nondet10, f_#t~nondet11, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet7;havoc f_#t~nondet7;f_~y~0 := f_#t~nondet8;havoc f_#t~nondet8;f_~k~0 := f_#t~nondet9;havoc f_#t~nondet9;f_~z~0 := 1; 1849#L16-1 assume !!(f_~k~0 <= 1073741823); 1850#L19-4 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 1866#L19-4 assume !(f_~z~0 < f_~k~0); 1857#L19-5 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1847#L6-3 assume !(0 == __VERIFIER_assert_~cond); 1848#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1852#L24-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1874#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1867#L24-3 assume 0 != f_~c~0 % 256; 1868#L25-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet11 % 256;havoc f_#t~nondet11;f_~z~0 := f_~z~0 - 1; 1872#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1870#L24-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1862#L24-5 [2021-10-21 20:27:37,870 INFO L793 eck$LassoCheckResult]: Loop: 1862#L24-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet10;havoc f_#t~nondet10; 1861#L24-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1862#L24-5 [2021-10-21 20:27:37,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:37,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1206093423, now seen corresponding path program 3 times [2021-10-21 20:27:37,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:37,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247341043] [2021-10-21 20:27:37,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:37,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:37,882 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:37,894 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:37,895 INFO L82 PathProgramCache]: Analyzing trace with hash 3848, now seen corresponding path program 3 times [2021-10-21 20:27:37,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:37,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038456337] [2021-10-21 20:27:37,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:37,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:37,900 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:37,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:37,903 INFO L82 PathProgramCache]: Analyzing trace with hash -585387530, now seen corresponding path program 4 times [2021-10-21 20:27:37,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:37,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441905020] [2021-10-21 20:27:37,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:37,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:37,914 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:37,927 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:38,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:38,788 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:38,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:38,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:38,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:38,789 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:38,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:38,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:38,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:38,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration11_Lasso [2021-10-21 20:27:38,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:38,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:38,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:38,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:39,222 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:39,222 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:39,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:39,229 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:39,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-21 20:27:39,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:39,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:39,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:39,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:39,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:39,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:39,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:39,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:39,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:39,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:39,273 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:39,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-21 20:27:39,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:39,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:39,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:39,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:39,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:39,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:39,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:39,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:39,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:39,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-10-21 20:27:39,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:39,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:39,312 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:39,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-21 20:27:39,313 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 [2021-10-21 20:27:39,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:39,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:39,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:39,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:39,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:39,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:39,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:39,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-21 20:27:39,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:39,355 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:39,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-21 20:27:39,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:39,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:39,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:39,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:39,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:39,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:27:39,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:27:39,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:39,381 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 20:27:39,381 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-21 20:27:39,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:39,382 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:39,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-21 20:27:39,384 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:39,394 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:27:39,394 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:39,394 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 20:27:39,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:39,438 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 20:27:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:39,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:39,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:39,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:39,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:39,696 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:39,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:39,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 36 states and 44 transitions. Complement of second has 6 states. [2021-10-21 20:27:39,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-21 20:27:39,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:39,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:39,738 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:27:39,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:39,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:39,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:39,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:40,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:40,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:40,033 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 20:27:40,034 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:40,065 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 36 states and 44 transitions. Complement of second has 6 states. [2021-10-21 20:27:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-21 20:27:40,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:40,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:40,066 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:27:40,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:40,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:40,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:40,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:27:40,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:40,292 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 2 loop predicates [2021-10-21 20:27:40,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:40,319 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 39 states and 49 transitions. Complement of second has 5 states. [2021-10-21 20:27:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2021-10-21 20:27:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-10-21 20:27:40,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 20:27:40,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:40,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 20:27:40,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:40,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-21 20:27:40,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:40,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2021-10-21 20:27:40,323 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:40,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2021-10-21 20:27:40,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:27:40,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:27:40,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:27:40,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:40,324 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:40,324 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:40,324 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:40,324 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:27:40,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:27:40,324 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:40,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:27:40,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:27:40 BoogieIcfgContainer [2021-10-21 20:27:40,331 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:27:40,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:27:40,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:27:40,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:27:40,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:13" (3/4) ... [2021-10-21 20:27:40,336 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:27:40,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:27:40,338 INFO L168 Benchmark]: Toolchain (without parser) took 28158.97 ms. Allocated memory was 83.9 MB in the beginning and 159.4 MB in the end (delta: 75.5 MB). Free memory was 49.6 MB in the beginning and 89.9 MB in the end (delta: -40.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:40,338 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:40,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.43 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 49.4 MB in the beginning and 85.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:40,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.82 ms. Allocated memory is still 109.1 MB. Free memory was 85.1 MB in the beginning and 83.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:40,340 INFO L168 Benchmark]: Boogie Preprocessor took 62.41 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.8 MB in the end (delta: 907.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:40,341 INFO L168 Benchmark]: RCFGBuilder took 544.59 ms. Allocated memory is still 109.1 MB. Free memory was 82.8 MB in the beginning and 72.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:40,341 INFO L168 Benchmark]: BuchiAutomizer took 27061.42 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 72.3 MB in the beginning and 89.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:40,341 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 159.4 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:40,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.43 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 49.4 MB in the beginning and 85.1 MB in the end (delta: -35.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.82 ms. Allocated memory is still 109.1 MB. Free memory was 85.1 MB in the beginning and 83.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.41 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.8 MB in the end (delta: 907.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 544.59 ms. Allocated memory is still 109.1 MB. Free memory was 82.8 MB in the beginning and 72.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 27061.42 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 72.3 MB in the beginning and 89.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 159.4 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (1 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.9s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 22.6s. Construction of modules took 0.2s. Büchi inclusion checks took 3.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 7. Automata minimization 73.7ms AutomataMinimizationTime, 10 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 53 states and ocurred in iteration 9. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 262 SDtfs, 413 SDslu, 108 SDs, 0 SdLazy, 165 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 271.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital138 mio100 ax100 hnf100 lsp54 ukn56 mio100 lsp58 div349 bol100 ite100 ukn100 eq148 hnf45 smp86 dnf100 smp100 tf102 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 148ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:27:40,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa356c8-9dd5-47f4-968a-324d556c3936/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...