./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/dirname-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/dirname-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c17dc684f0856c2cb34d9c0f310a5ac71ddc07f596d7c8c46ee2d12464efc754 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:21:58,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:21:58,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:21:58,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:21:58,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:21:58,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:21:58,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:21:58,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:21:58,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:21:58,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:21:58,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:21:58,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:21:58,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:21:58,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:21:58,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:21:58,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:21:58,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:21:58,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:21:58,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:21:58,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:21:58,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:21:58,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:21:58,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:21:58,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:21:58,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:21:58,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:21:58,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:21:58,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:21:58,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:21:58,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:21:58,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:21:58,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:21:58,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:21:58,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:21:58,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:21:58,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:21:58,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:21:58,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:21:58,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:21:58,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:21:58,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:21:58,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 22:21:58,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:21:58,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:21:58,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:21:58,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:21:58,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:21:58,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:21:58,548 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:21:58,548 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:21:58,548 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:21:58,549 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:21:58,549 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:21:58,549 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:21:58,549 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:21:58,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:21:58,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:21:58,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:21:58,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:21:58,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:21:58,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:21:58,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:21:58,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:21:58,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:21:58,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:21:58,552 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:21:58,552 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_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17dc684f0856c2cb34d9c0f310a5ac71ddc07f596d7c8c46ee2d12464efc754 [2021-12-06 22:21:58,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:21:58,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:21:58,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:21:58,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:21:58,751 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:21:58,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-dietlibc/dirname-2.i [2021-12-06 22:21:58,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/data/780230a83/04a8046c9f21452fbf2d993361dcdbb2/FLAG73b2234a6 [2021-12-06 22:21:59,199 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:21:59,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/sv-benchmarks/c/termination-dietlibc/dirname-2.i [2021-12-06 22:21:59,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/data/780230a83/04a8046c9f21452fbf2d993361dcdbb2/FLAG73b2234a6 [2021-12-06 22:21:59,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/data/780230a83/04a8046c9f21452fbf2d993361dcdbb2 [2021-12-06 22:21:59,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:21:59,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:21:59,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:21:59,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:21:59,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:21:59,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a719c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59, skipping insertion in model container [2021-12-06 22:21:59,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:21:59,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:21:59,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:21:59,487 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:21:59,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:21:59,541 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:21:59,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59 WrapperNode [2021-12-06 22:21:59,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:21:59,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:21:59,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:21:59,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:21:59,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,573 INFO L137 Inliner]: procedures = 114, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2021-12-06 22:21:59,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:21:59,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:21:59,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:21:59,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:21:59,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:21:59,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:21:59,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:21:59,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:21:59,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (1/1) ... [2021-12-06 22:21:59,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:21:59,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:21:59,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:21:59,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:21:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:21:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:21:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:21:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:21:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:21:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:21:59,705 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:21:59,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:21:59,823 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:21:59,828 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:21:59,828 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 22:21:59,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:21:59 BoogieIcfgContainer [2021-12-06 22:21:59,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:21:59,830 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:21:59,830 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:21:59,833 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:21:59,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:21:59,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:21:59" (1/3) ... [2021-12-06 22:21:59,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54ce4825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:21:59, skipping insertion in model container [2021-12-06 22:21:59,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:21:59,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:21:59" (2/3) ... [2021-12-06 22:21:59,835 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54ce4825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:21:59, skipping insertion in model container [2021-12-06 22:21:59,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:21:59,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:21:59" (3/3) ... [2021-12-06 22:21:59,836 INFO L388 chiAutomizerObserver]: Analyzing ICFG dirname-2.i [2021-12-06 22:21:59,869 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:21:59,869 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:21:59,869 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:21:59,869 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:21:59,869 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:21:59,870 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:21:59,870 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:21:59,870 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:21:59,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-12-06 22:21:59,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-12-06 22:21:59,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:21:59,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:21:59,900 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:21:59,900 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:21:59,901 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:21:59,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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) [2021-12-06 22:21:59,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2021-12-06 22:21:59,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:21:59,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:21:59,904 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:21:59,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:21:59,910 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 7#L534true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 12#L518true assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 25#L522-4true [2021-12-06 22:21:59,911 INFO L793 eck$LassoCheckResult]: Loop: 25#L522-4true assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 11#L510-2true assume false; 18#L510-3true strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 21#L513true dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 13#L520true assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 16#L521true assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 14#L522-3true assume !true; 25#L522-4true [2021-12-06 22:21:59,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:21:59,915 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-12-06 22:21:59,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:21:59,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976355153] [2021-12-06 22:21:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:21:59,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:00,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1194584233, now seen corresponding path program 1 times [2021-12-06 22:22:00,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911206243] [2021-12-06 22:22:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:00,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:00,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911206243] [2021-12-06 22:22:00,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911206243] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:22:00,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:22:00,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:22:00,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846210224] [2021-12-06 22:22:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:22:00,078 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:00,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:00,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:22:00,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:22:00,104 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2021-12-06 22:22:00,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:00,109 INFO L93 Difference]: Finished difference Result 23 states and 32 transitions. [2021-12-06 22:22:00,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:22:00,114 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2021-12-06 22:22:00,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-06 22:22:00,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 23 transitions. [2021-12-06 22:22:00,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-06 22:22:00,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-06 22:22:00,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-12-06 22:22:00,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:00,120 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-06 22:22:00,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-12-06 22:22:00,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-06 22:22:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-12-06 22:22:00,142 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-06 22:22:00,142 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-06 22:22:00,142 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 22:22:00,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-12-06 22:22:00,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-06 22:22:00,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:00,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:00,144 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:22:00,144 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:00,144 INFO L791 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 58#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 61#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 62#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 65#L522-4 [2021-12-06 22:22:00,144 INFO L793 eck$LassoCheckResult]: Loop: 65#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 64#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 59#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 60#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 70#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 71#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 66#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 67#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 68#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 69#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 65#L522-4 [2021-12-06 22:22:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2021-12-06 22:22:00,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318562640] [2021-12-06 22:22:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,161 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,176 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:00,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,178 INFO L85 PathProgramCache]: Analyzing trace with hash -987397766, now seen corresponding path program 1 times [2021-12-06 22:22:00,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965136363] [2021-12-06 22:22:00,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:00,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:00,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965136363] [2021-12-06 22:22:00,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965136363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:22:00,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:22:00,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:22:00,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356693700] [2021-12-06 22:22:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:22:00,300 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:00,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:22:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:22:00,301 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 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) [2021-12-06 22:22:00,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:00,383 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2021-12-06 22:22:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:22:00,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 34 transitions. [2021-12-06 22:22:00,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:22:00,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 22 states and 28 transitions. [2021-12-06 22:22:00,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-06 22:22:00,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-06 22:22:00,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-12-06 22:22:00,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:00,386 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-06 22:22:00,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-12-06 22:22:00,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-06 22:22:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-12-06 22:22:00,388 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-06 22:22:00,388 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-12-06 22:22:00,389 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 22:22:00,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-12-06 22:22:00,389 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:22:00,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:00,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:00,390 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:22:00,390 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:00,390 INFO L791 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 122#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 123#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 128#L522-4 [2021-12-06 22:22:00,390 INFO L793 eck$LassoCheckResult]: Loop: 128#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 132#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 137#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 121#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 136#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 135#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 126#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 127#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 129#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 130#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 128#L522-4 [2021-12-06 22:22:00,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2021-12-06 22:22:00,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241355853] [2021-12-06 22:22:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:00,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash -178051140, now seen corresponding path program 1 times [2021-12-06 22:22:00,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528029994] [2021-12-06 22:22:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:00,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:00,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528029994] [2021-12-06 22:22:00,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528029994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:22:00,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:22:00,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:22:00,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55380812] [2021-12-06 22:22:00,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:22:00,456 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:00,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:00,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:22:00,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:22:00,457 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 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) [2021-12-06 22:22:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:00,549 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2021-12-06 22:22:00,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:22:00,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2021-12-06 22:22:00,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 27 [2021-12-06 22:22:00,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 40 transitions. [2021-12-06 22:22:00,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-06 22:22:00,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2021-12-06 22:22:00,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 40 transitions. [2021-12-06 22:22:00,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:00,553 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2021-12-06 22:22:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 40 transitions. [2021-12-06 22:22:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24. [2021-12-06 22:22:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 23 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-12-06 22:22:00,561 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-12-06 22:22:00,561 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-12-06 22:22:00,561 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 22:22:00,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2021-12-06 22:22:00,562 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2021-12-06 22:22:00,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:00,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:00,562 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:22:00,563 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:00,563 INFO L791 eck$LassoCheckResult]: Stem: 199#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 203#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 204#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 208#L522-4 [2021-12-06 22:22:00,563 INFO L793 eck$LassoCheckResult]: Loop: 208#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 216#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 201#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 202#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 213#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 206#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 207#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 219#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 217#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 215#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 209#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 210#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 211#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 212#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 208#L522-4 [2021-12-06 22:22:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 4 times [2021-12-06 22:22:00,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095961382] [2021-12-06 22:22:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:00,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash -454431278, now seen corresponding path program 1 times [2021-12-06 22:22:00,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144392183] [2021-12-06 22:22:00,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:22:00,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:00,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144392183] [2021-12-06 22:22:00,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144392183] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:00,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872669972] [2021-12-06 22:22:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:00,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:00,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:22:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:00,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 22:22:00,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:00,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:22:00,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:00,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-12-06 22:22:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:22:00,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872669972] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:00,805 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:00,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-06 22:22:00,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203048799] [2021-12-06 22:22:00,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:00,805 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:00,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:00,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 22:22:00,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:22:00,807 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. cyclomatic complexity: 9 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:00,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:00,851 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-12-06 22:22:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:22:00,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2021-12-06 22:22:00,853 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-12-06 22:22:00,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 36 transitions. [2021-12-06 22:22:00,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-06 22:22:00,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-12-06 22:22:00,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2021-12-06 22:22:00,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:00,854 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-12-06 22:22:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2021-12-06 22:22:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2021-12-06 22:22:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 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) [2021-12-06 22:22:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-12-06 22:22:00,856 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-12-06 22:22:00,856 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-12-06 22:22:00,856 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 22:22:00,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2021-12-06 22:22:00,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 21 [2021-12-06 22:22:00,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:00,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:00,857 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:22:00,857 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:00,857 INFO L791 eck$LassoCheckResult]: Stem: 348#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 349#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 352#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 353#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 358#L522-4 [2021-12-06 22:22:00,857 INFO L793 eck$LassoCheckResult]: Loop: 358#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 355#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 350#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 351#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 361#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 362#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 371#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 369#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 370#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 366#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 368#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 367#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 365#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 364#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 356#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 357#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 359#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 360#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 358#L522-4 [2021-12-06 22:22:00,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,858 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 5 times [2021-12-06 22:22:00,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611193971] [2021-12-06 22:22:00,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,864 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:00,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:00,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1228064744, now seen corresponding path program 2 times [2021-12-06 22:22:00,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:00,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118673092] [2021-12-06 22:22:00,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:00,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:22:00,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:00,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118673092] [2021-12-06 22:22:00,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118673092] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:00,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446851985] [2021-12-06 22:22:00,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:22:00,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:00,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:00,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:00,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:22:01,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:22:01,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:01,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 38 conjunts are in the unsatisfiable core [2021-12-06 22:22:01,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:01,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:22:01,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:01,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-06 22:22:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:22:01,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446851985] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:01,272 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:01,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2021-12-06 22:22:01,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480349006] [2021-12-06 22:22:01,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:01,272 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:01,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:01,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 22:22:01,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:22:01,273 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. cyclomatic complexity: 9 Second operand has 19 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 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) [2021-12-06 22:22:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:01,460 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2021-12-06 22:22:01,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:22:01,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 47 transitions. [2021-12-06 22:22:01,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 29 [2021-12-06 22:22:01,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 47 transitions. [2021-12-06 22:22:01,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-12-06 22:22:01,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-12-06 22:22:01,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 47 transitions. [2021-12-06 22:22:01,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:01,463 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2021-12-06 22:22:01,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 47 transitions. [2021-12-06 22:22:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2021-12-06 22:22:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 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) [2021-12-06 22:22:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2021-12-06 22:22:01,465 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-12-06 22:22:01,465 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-12-06 22:22:01,465 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 22:22:01,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2021-12-06 22:22:01,465 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-12-06 22:22:01,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:01,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:01,466 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 22:22:01,466 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:01,466 INFO L791 eck$LassoCheckResult]: Stem: 550#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 551#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 554#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 555#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 560#L522-4 [2021-12-06 22:22:01,466 INFO L793 eck$LassoCheckResult]: Loop: 560#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 557#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 552#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 553#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 563#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 564#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 574#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 572#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 573#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 569#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 571#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 570#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 568#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 566#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 558#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 559#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 561#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 562#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 567#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 575#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 560#L522-4 [2021-12-06 22:22:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 6 times [2021-12-06 22:22:01,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:01,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180176312] [2021-12-06 22:22:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:01,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:01,472 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:01,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:01,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:01,479 INFO L85 PathProgramCache]: Analyzing trace with hash -945783571, now seen corresponding path program 1 times [2021-12-06 22:22:01,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:01,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246827724] [2021-12-06 22:22:01,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:01,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:01,498 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:01,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:01,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:01,521 INFO L85 PathProgramCache]: Analyzing trace with hash 409903956, now seen corresponding path program 1 times [2021-12-06 22:22:01,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:01,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5693100] [2021-12-06 22:22:01,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:01,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:01,543 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:01,560 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:02,022 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:22:02,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:22:02,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:22:02,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:22:02,022 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:22:02,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:22:02,023 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:22:02,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: dirname-2.i_Iteration6_Lasso [2021-12-06 22:22:02,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:22:02,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:22:02,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:02,385 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:22:02,389 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:22:02,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 22:22:02,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:02,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 22:22:02,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 22:22:02,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 22:22:02,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 22:22:02,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 22:22:02,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:02,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,547 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 22:22:02,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 22:22:02,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,577 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 22:22:02,578 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 [2021-12-06 22:22:02,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:02,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:02,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 22:22:02,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 22:22:02,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 22:22:02,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,653 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 22:22:02,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 22:22:02,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,682 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 22:22:02,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 22:22:02,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,712 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 22:22:02,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:02,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:02,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 22:22:02,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,755 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 22:22:02,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 22:22:02,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,785 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 22:22:02,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 22:22:02,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,814 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 22:22:02,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:02,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,845 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 22:22:02,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 22:22:02,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,874 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 22:22:02,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 22:22:02,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,906 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 22:22:02,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 22:22:02,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,936 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 22:22:02,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 22:22:02,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,967 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 22:22:02,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:02,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:02,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:02,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:02,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:02,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:02,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:02,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:02,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:02,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 22:22:02,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:02,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:02,997 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:02,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 22:22:02,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:03,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,027 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 22:22:03,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 22:22:03,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,055 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 22:22:03,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 22:22:03,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,086 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 22:22:03,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:03,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:03,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 22:22:03,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,132 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 22:22:03,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 22:22:03,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,178 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 22:22:03,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:03,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:03,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 22:22:03,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,214 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 22:22:03,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 22:22:03,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,243 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 22:22:03,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 22:22:03,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,273 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 22:22:03,274 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 [2021-12-06 22:22:03,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:03,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:03,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 22:22:03,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,304 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 22:22:03,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:03,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:03,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 22:22:03,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,337 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 22:22:03,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 22:22:03,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,366 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 22:22:03,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:03,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:03,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 22:22:03,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,405 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 22:22:03,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 22:22:03,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,434 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 22:22:03,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 22:22:03,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,463 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 22:22:03,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:03,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:03,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 22:22:03,490 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 22:22:03,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,491 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 22:22:03,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,501 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,501 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 22:22:03,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,521 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 22:22:03,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,531 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,531 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 22:22:03,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,551 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 22:22:03,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,560 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,560 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 22:22:03,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,580 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 22:22:03,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,589 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,590 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 22:22:03,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,610 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 22:22:03,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,618 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,618 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 22:22:03,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,637 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 22:22:03,639 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 [2021-12-06 22:22:03,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,647 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:03,647 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:03,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:03,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,668 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 22:22:03,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,676 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,677 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 22:22:03,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,697 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 22:22:03,698 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 [2021-12-06 22:22:03,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,705 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,706 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 22:22:03,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,725 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 22:22:03,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,735 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,735 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 22:22:03,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,755 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 22:22:03,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,764 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,765 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:03,765 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:03,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 22:22:03,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,794 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 22:22:03,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,802 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,802 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 22:22:03,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,823 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 22:22:03,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,833 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,833 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:03,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,853 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 22:22:03,855 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 [2021-12-06 22:22:03,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,862 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,862 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 22:22:03,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,882 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 22:22:03,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,891 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 22:22:03,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,910 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 22:22:03,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,919 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 22:22:03,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,939 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 22:22:03,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,947 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,947 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 22:22:03,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,967 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 22:22:03,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:03,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:03,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:03,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:03,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:03,975 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:03,975 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:03,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:03,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:03,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 22:22:03,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:03,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:03,995 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:03,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 22:22:03,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,003 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,003 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 22:22:04,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,023 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 22:22:04,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,032 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,032 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 22:22:04,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,052 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 22:22:04,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,060 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,061 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 22:22:04,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,080 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 22:22:04,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,089 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,090 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 22:22:04,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,110 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 22:22:04,111 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 [2021-12-06 22:22:04,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,118 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,125 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:04,125 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:04,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 22:22:04,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,159 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 22:22:04,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,169 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,170 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:04,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,198 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 22:22:04,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,207 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,208 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:04,208 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:04,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 22:22:04,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,230 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 22:22:04,231 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 [2021-12-06 22:22:04,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,239 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,239 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 22:22:04,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,259 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 22:22:04,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,267 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,268 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 22:22:04,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,288 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 22:22:04,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,297 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:04,297 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:04,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 22:22:04,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,319 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 22:22:04,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,328 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,329 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:04,329 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:04,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 22:22:04,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,351 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 22:22:04,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,360 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,361 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 22:22:04,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,381 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 22:22:04,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,391 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,396 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:04,397 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:04,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 22:22:04,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,429 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 22:22:04,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,440 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 22:22:04,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,460 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 22:22:04,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,469 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,470 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 22:22:04,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,490 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 22:22:04,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,500 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:04,500 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:04,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 22:22:04,519 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 22:22:04,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,519 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 22:22:04,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,528 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,529 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 22:22:04,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,548 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 22:22:04,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,557 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 22:22:04,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,577 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 22:22:04,578 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 [2021-12-06 22:22:04,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,586 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,586 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 22:22:04,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,606 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 22:22:04,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,615 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,615 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 22:22:04,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,635 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 22:22:04,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,646 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,646 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 22:22:04,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,666 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 22:22:04,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,675 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:04,675 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:04,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 22:22:04,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,697 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 22:22:04,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,706 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,706 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 22:22:04,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,726 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 22:22:04,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,734 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,735 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 22:22:04,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,754 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 22:22:04,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,763 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 22:22:04,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,784 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 22:22:04,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,793 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,794 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:04,794 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:04,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:04,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,816 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 22:22:04,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,824 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 22:22:04,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,844 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 22:22:04,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,855 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 22:22:04,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,876 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 22:22:04,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,884 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,884 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 22:22:04,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,904 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 22:22:04,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,912 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 22:22:04,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,932 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 22:22:04,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,941 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,941 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-06 22:22:04,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,962 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 22:22:04,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,970 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,971 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:04,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:04,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-06 22:22:04,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:04,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:04,990 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:04,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 22:22:04,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:04,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:04,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:04,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:04,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:04,999 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:04,999 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:04,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-06 22:22:05,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,019 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 22:22:05,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,029 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,029 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 22:22:05,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,049 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 22:22:05,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,059 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,059 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-06 22:22:05,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,079 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 22:22:05,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,088 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,088 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:05,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,109 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 22:22:05,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,118 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,118 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-06 22:22:05,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,138 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 22:22:05,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,147 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,154 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:05,154 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:05,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 22:22:05,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,193 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 22:22:05,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,202 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,203 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-06 22:22:05,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,226 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 22:22:05,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,234 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,235 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:05,235 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:05,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 22:22:05,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,257 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 22:22:05,258 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 [2021-12-06 22:22:05,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,266 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,267 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 22:22:05,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,287 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 22:22:05,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,296 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,296 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 22:22:05,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,316 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 22:22:05,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,325 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,327 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:05,327 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:05,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:05,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,354 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 22:22:05,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,363 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:05,363 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:05,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 22:22:05,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,385 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 22:22:05,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,394 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,394 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 22:22:05,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,414 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 22:22:05,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,428 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:05,429 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:05,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 22:22:05,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,463 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 22:22:05,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,472 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,472 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 22:22:05,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,493 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 22:22:05,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,502 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,502 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-06 22:22:05,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,524 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 22:22:05,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,533 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:05,533 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:05,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 22:22:05,553 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 22:22:05,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,554 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 22:22:05,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,562 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,563 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-06 22:22:05,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,582 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 22:22:05,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,596 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,596 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-06 22:22:05,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,616 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 22:22:05,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,624 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,624 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-06 22:22:05,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,644 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 22:22:05,645 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 [2021-12-06 22:22:05,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,653 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,653 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 22:22:05,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,673 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 22:22:05,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,681 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,681 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:05,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,701 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 22:22:05,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,710 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,713 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:05,713 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:05,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 22:22:05,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,736 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 22:22:05,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,746 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,746 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-06 22:22:05,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,766 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 22:22:05,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,775 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,775 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-06 22:22:05,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,795 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 22:22:05,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,804 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,804 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-06 22:22:05,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,824 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 22:22:05,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,832 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,834 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:05,834 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:05,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 22:22:05,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,857 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 22:22:05,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,866 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,866 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-06 22:22:05,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,886 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 22:22:05,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,894 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 22:22:05,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,914 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 22:22:05,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,923 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,923 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-12-06 22:22:05,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,944 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 22:22:05,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,952 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,953 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:05,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-06 22:22:05,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:05,973 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:05,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 22:22:05,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:05,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:05,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:05,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:05,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:05,983 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:05,983 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:05,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:05,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-06 22:22:06,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,004 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 22:22:06,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,013 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,013 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-06 22:22:06,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,033 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 22:22:06,034 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 [2021-12-06 22:22:06,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,042 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,043 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-06 22:22:06,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,064 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 22:22:06,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,073 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,073 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 22:22:06,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,094 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 22:22:06,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,103 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,103 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-06 22:22:06,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,123 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-06 22:22:06,124 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 [2021-12-06 22:22:06,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,131 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:06,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,151 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 22:22:06,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,161 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,162 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 22:22:06,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,182 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-06 22:22:06,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,192 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,199 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:06,200 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:06,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-12-06 22:22:06,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,244 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 22:22:06,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,254 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,256 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-12-06 22:22:06,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,279 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-12-06 22:22:06,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,288 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,289 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:06,289 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:06,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-12-06 22:22:06,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,313 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 22:22:06,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,321 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,322 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-12-06 22:22:06,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,342 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 22:22:06,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,350 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,351 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 22:22:06,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,371 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-12-06 22:22:06,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,380 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,382 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:06,382 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:06,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-12-06 22:22:06,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,407 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-12-06 22:22:06,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,415 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,417 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:06,417 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:06,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-12-06 22:22:06,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,442 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-12-06 22:22:06,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,450 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,451 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-12-06 22:22:06,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,472 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-12-06 22:22:06,473 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 [2021-12-06 22:22:06,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,481 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,487 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:06,487 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:06,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-12-06 22:22:06,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,527 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-12-06 22:22:06,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,535 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,536 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-12-06 22:22:06,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,556 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-12-06 22:22:06,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,565 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,565 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-12-06 22:22:06,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,587 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-12-06 22:22:06,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:06,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,595 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:06,596 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:06,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-12-06 22:22:06,615 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 22:22:06,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,616 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-12-06 22:22:06,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,625 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,625 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,625 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-12-06 22:22:06,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,646 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-12-06 22:22:06,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,654 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,654 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,654 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,654 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-12-06 22:22:06,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,674 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-12-06 22:22:06,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,683 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,683 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:06,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,704 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-12-06 22:22:06,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,713 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,713 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,713 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,714 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-12-06 22:22:06,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,734 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-12-06 22:22:06,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,742 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,743 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,743 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-12-06 22:22:06,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,763 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-12-06 22:22:06,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,772 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,772 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,773 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:06,773 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:06,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-12-06 22:22:06,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,796 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-12-06 22:22:06,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,804 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,805 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,805 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:06,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,825 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-12-06 22:22:06,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,833 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,833 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,834 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:06,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,854 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-12-06 22:22:06,855 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 [2021-12-06 22:22:06,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,863 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,863 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,863 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-12-06 22:22:06,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,884 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-12-06 22:22:06,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,892 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,892 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,892 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,893 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:06,893 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:06,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-12-06 22:22:06,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,916 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-12-06 22:22:06,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,924 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,925 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,925 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-12-06 22:22:06,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,945 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-12-06 22:22:06,957 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,957 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,958 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,958 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:06,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-12-06 22:22:06,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:06,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:06,978 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:06,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-12-06 22:22:06,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:06,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:06,986 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:06,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:06,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:06,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:06,987 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:06,987 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:06,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:06,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:07,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,007 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-12-06 22:22:07,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,016 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,017 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,017 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-12-06 22:22:07,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,037 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-12-06 22:22:07,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,046 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,046 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,047 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:07,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,068 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-12-06 22:22:07,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,076 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,076 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,076 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,076 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-12-06 22:22:07,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,097 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-12-06 22:22:07,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,105 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,105 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,105 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,105 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-12-06 22:22:07,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,126 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-12-06 22:22:07,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,133 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,134 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,134 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:07,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,154 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-12-06 22:22:07,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,163 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,163 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,163 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,164 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-12-06 22:22:07,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,184 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-12-06 22:22:07,185 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 [2021-12-06 22:22:07,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,193 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,193 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,193 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-12-06 22:22:07,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,214 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-12-06 22:22:07,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,222 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,222 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-12-06 22:22:07,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,244 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-12-06 22:22:07,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,253 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,253 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,259 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:07,259 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:07,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-12-06 22:22:07,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,298 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-12-06 22:22:07,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,307 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,307 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,307 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,308 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-12-06 22:22:07,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,332 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-12-06 22:22:07,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,340 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,341 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,341 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,342 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:07,342 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:07,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-12-06 22:22:07,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,364 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-12-06 22:22:07,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,373 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,373 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,373 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,374 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-12-06 22:22:07,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,395 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-12-06 22:22:07,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,403 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,404 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,404 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2021-12-06 22:22:07,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,426 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-12-06 22:22:07,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,434 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,435 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,436 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:07,436 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:07,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-12-06 22:22:07,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,458 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-12-06 22:22:07,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,467 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,467 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,468 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:07,468 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:07,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-12-06 22:22:07,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,491 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-12-06 22:22:07,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,499 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,499 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,499 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-12-06 22:22:07,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,521 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-12-06 22:22:07,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,530 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,531 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,535 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-06 22:22:07,535 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-06 22:22:07,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-12-06 22:22:07,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,569 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-12-06 22:22:07,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,578 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,578 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,579 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-12-06 22:22:07,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,600 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-12-06 22:22:07,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,608 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,608 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,609 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,609 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-12-06 22:22:07,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,630 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-12-06 22:22:07,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:07,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 22:22:07,638 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 22:22:07,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-12-06 22:22:07,658 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 22:22:07,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,659 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-12-06 22:22:07,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,667 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,667 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,667 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,668 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-12-06 22:22:07,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,689 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-12-06 22:22:07,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,697 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,697 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,697 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,698 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:07,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,719 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-12-06 22:22:07,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,727 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,727 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,728 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:07,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,750 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-12-06 22:22:07,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,758 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,759 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,759 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-12-06 22:22:07,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,780 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-12-06 22:22:07,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,790 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,791 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,791 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-12-06 22:22:07,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,812 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-12-06 22:22:07,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,820 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,821 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,821 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,822 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:07,822 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:07,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-12-06 22:22:07,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,845 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-12-06 22:22:07,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,854 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,854 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,855 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-12-06 22:22:07,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,876 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-12-06 22:22:07,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,884 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,884 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,885 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,885 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:07,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,906 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-12-06 22:22:07,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,914 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,914 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,915 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,915 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-12-06 22:22:07,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,936 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-12-06 22:22:07,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,944 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,944 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,944 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,945 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:07,945 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:07,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:07,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-12-06 22:22:07,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:07,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:07,969 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:07,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-12-06 22:22:07,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:07,978 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:07,979 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:07,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:07,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:07,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:07,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:07,979 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:07,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:07,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-12-06 22:22:08,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,000 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-12-06 22:22:08,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,009 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,009 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,009 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,010 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-12-06 22:22:08,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,031 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-12-06 22:22:08,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,039 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,040 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,040 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-12-06 22:22:08,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,061 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-12-06 22:22:08,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,068 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,068 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,069 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,069 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2021-12-06 22:22:08,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,090 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-12-06 22:22:08,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,099 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,099 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,099 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2021-12-06 22:22:08,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,121 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-12-06 22:22:08,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,130 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,130 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:08,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,151 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-12-06 22:22:08,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,160 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,160 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,160 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,160 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-12-06 22:22:08,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,181 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-12-06 22:22:08,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,190 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,190 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,193 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,194 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:08,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,215 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-12-06 22:22:08,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,223 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,223 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,223 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,224 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:08,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,245 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-12-06 22:22:08,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,254 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,255 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-12-06 22:22:08,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,276 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-12-06 22:22:08,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,285 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-12-06 22:22:08,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,307 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-12-06 22:22:08,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,317 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,317 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,324 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:08,324 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:08,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:08,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,376 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-12-06 22:22:08,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,385 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,385 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,386 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,387 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-12-06 22:22:08,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,414 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-12-06 22:22:08,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,422 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,423 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:08,424 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:08,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-12-06 22:22:08,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,448 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-12-06 22:22:08,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,456 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,457 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-12-06 22:22:08,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,478 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-12-06 22:22:08,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,486 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,486 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,486 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,487 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-12-06 22:22:08,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,509 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-12-06 22:22:08,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,517 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,517 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,519 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:08,519 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:08,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-12-06 22:22:08,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,543 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-12-06 22:22:08,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,552 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,552 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,552 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,553 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:08,553 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:08,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-12-06 22:22:08,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,578 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-12-06 22:22:08,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,586 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,586 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,587 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-12-06 22:22:08,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,609 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-12-06 22:22:08,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,618 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,618 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,624 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:08,624 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:08,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-12-06 22:22:08,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,669 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-12-06 22:22:08,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,678 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,678 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,679 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-12-06 22:22:08,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,700 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-12-06 22:22:08,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,709 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,710 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-12-06 22:22:08,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,732 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-12-06 22:22:08,734 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 [2021-12-06 22:22:08,741 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,741 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 22:22:08,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:08,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:08,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-12-06 22:22:08,762 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 22:22:08,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,763 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-12-06 22:22:08,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,771 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,771 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,772 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:08,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2021-12-06 22:22:08,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,793 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-12-06 22:22:08,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,803 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,803 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,803 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,804 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:08,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:08,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,826 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-12-06 22:22:08,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,835 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,835 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,836 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:08,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-12-06 22:22:08,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,858 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-12-06 22:22:08,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,866 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,867 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,867 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,867 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:08,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-12-06 22:22:08,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,890 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-12-06 22:22:08,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,898 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,898 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,899 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:08,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-12-06 22:22:08,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,921 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-12-06 22:22:08,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,930 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,930 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,930 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,931 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:08,932 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:08,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-12-06 22:22:08,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,959 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-12-06 22:22:08,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:08,969 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:08,969 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:08,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:08,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:08,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:08,969 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:08,970 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:08,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:08,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:08,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2021-12-06 22:22:08,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:08,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:08,991 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:08,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-12-06 22:22:08,992 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 [2021-12-06 22:22:09,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,000 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,000 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,001 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-12-06 22:22:09,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,022 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-12-06 22:22:09,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,030 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,031 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,031 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,053 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-12-06 22:22:09,054 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 [2021-12-06 22:22:09,062 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,062 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,062 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,064 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:09,064 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:09,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,089 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-12-06 22:22:09,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,098 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,099 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,099 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2021-12-06 22:22:09,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,122 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-12-06 22:22:09,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,130 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,131 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,154 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-12-06 22:22:09,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,162 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,162 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,163 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-12-06 22:22:09,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,185 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-12-06 22:22:09,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,194 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,194 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,194 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2021-12-06 22:22:09,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,216 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-12-06 22:22:09,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,225 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,225 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,225 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,226 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-12-06 22:22:09,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,247 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-12-06 22:22:09,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,256 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,256 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,257 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-12-06 22:22:09,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,278 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-12-06 22:22:09,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,287 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,287 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,288 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2021-12-06 22:22:09,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,310 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-12-06 22:22:09,313 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 [2021-12-06 22:22:09,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,321 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,322 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,322 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-12-06 22:22:09,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,344 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-12-06 22:22:09,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,353 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,353 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,354 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,388 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-12-06 22:22:09,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,397 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,397 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,397 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,398 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2021-12-06 22:22:09,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,420 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-12-06 22:22:09,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,428 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,428 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,429 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2021-12-06 22:22:09,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,450 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-12-06 22:22:09,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,460 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,460 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,469 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:09,469 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:09,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2021-12-06 22:22:09,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,530 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-12-06 22:22:09,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,538 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,538 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,538 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,540 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2021-12-06 22:22:09,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,570 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-12-06 22:22:09,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,578 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,579 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,580 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:09,580 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:09,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,607 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-12-06 22:22:09,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,615 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,615 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,615 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,616 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,638 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-12-06 22:22:09,639 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 [2021-12-06 22:22:09,646 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,646 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,646 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,647 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Ended with exit code 0 [2021-12-06 22:22:09,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,669 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-12-06 22:22:09,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,677 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,678 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,679 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:09,679 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:09,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:09,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,705 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-12-06 22:22:09,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,715 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,715 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,716 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:09,717 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:09,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2021-12-06 22:22:09,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,744 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-12-06 22:22:09,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,753 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,753 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,754 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,754 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-12-06 22:22:09,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,778 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-12-06 22:22:09,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,788 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,788 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,788 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,796 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-06 22:22:09,796 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-06 22:22:09,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2021-12-06 22:22:09,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,855 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-12-06 22:22:09,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,863 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,863 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,864 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-12-06 22:22:09,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,886 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-12-06 22:22:09,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,895 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,895 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,896 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2021-12-06 22:22:09,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,920 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-12-06 22:22:09,921 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 [2021-12-06 22:22:09,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,929 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:09,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,929 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 22:22:09,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 22:22:09,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2021-12-06 22:22:09,951 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 22:22:09,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,952 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-12-06 22:22:09,953 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 [2021-12-06 22:22:09,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,960 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:09,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:09,961 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:09,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:09,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Ended with exit code 0 [2021-12-06 22:22:09,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:09,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:09,981 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:09,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-12-06 22:22:09,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:09,989 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:09,989 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:09,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:09,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:09,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:09,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:09,989 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:09,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:09,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2021-12-06 22:22:10,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,009 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-12-06 22:22:10,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,018 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,018 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,018 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,018 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2021-12-06 22:22:10,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,039 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-12-06 22:22:10,040 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 [2021-12-06 22:22:10,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,047 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,047 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,047 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-12-06 22:22:10,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,068 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2021-12-06 22:22:10,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,076 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,076 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,077 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,077 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2021-12-06 22:22:10,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,097 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-12-06 22:22:10,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,106 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,106 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,106 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,107 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,107 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2021-12-06 22:22:10,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,130 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-12-06 22:22:10,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,138 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,138 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,138 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,139 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2021-12-06 22:22:10,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,159 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-12-06 22:22:10,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,167 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,167 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,168 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2021-12-06 22:22:10,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,187 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-12-06 22:22:10,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,196 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,196 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,197 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2021-12-06 22:22:10,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,217 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-12-06 22:22:10,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,226 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,226 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,227 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,228 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,228 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2021-12-06 22:22:10,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,250 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-12-06 22:22:10,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,258 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,258 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,258 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2021-12-06 22:22:10,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,283 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-12-06 22:22:10,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,292 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,292 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,292 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,292 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2021-12-06 22:22:10,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,313 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-12-06 22:22:10,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,322 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,322 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2021-12-06 22:22:10,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,343 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-12-06 22:22:10,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,352 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,352 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2021-12-06 22:22:10,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,373 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-12-06 22:22:10,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,383 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2021-12-06 22:22:10,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,404 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-12-06 22:22:10,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,413 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,413 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,414 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2021-12-06 22:22:10,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,434 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-12-06 22:22:10,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,442 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,442 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,442 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,442 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2021-12-06 22:22:10,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,462 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-12-06 22:22:10,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,471 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,471 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,471 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2021-12-06 22:22:10,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,491 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-12-06 22:22:10,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,500 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,500 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,500 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2021-12-06 22:22:10,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,520 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-12-06 22:22:10,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,529 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,529 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,529 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,529 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:10,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,549 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-12-06 22:22:10,550 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 [2021-12-06 22:22:10,557 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,557 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,558 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:10,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,578 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-12-06 22:22:10,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,587 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,587 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,594 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,594 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:10,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,635 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-12-06 22:22:10,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,644 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,644 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,644 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Ended with exit code 0 [2021-12-06 22:22:10,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,669 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-12-06 22:22:10,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,677 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,677 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,678 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,678 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2021-12-06 22:22:10,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,701 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-12-06 22:22:10,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,709 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,709 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Ended with exit code 0 [2021-12-06 22:22:10,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,730 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2021-12-06 22:22:10,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,738 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,738 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,738 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,738 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Ended with exit code 0 [2021-12-06 22:22:10,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,759 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-12-06 22:22:10,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,767 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,767 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,768 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,768 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2021-12-06 22:22:10,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,791 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-12-06 22:22:10,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,799 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,800 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,801 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,801 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2021-12-06 22:22:10,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,824 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-12-06 22:22:10,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,833 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,833 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,833 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2021-12-06 22:22:10,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,854 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-12-06 22:22:10,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,863 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,868 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-06 22:22:10,868 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:10,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2021-12-06 22:22:10,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,904 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-12-06 22:22:10,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,913 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,913 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,913 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2021-12-06 22:22:10,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,934 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-12-06 22:22:10,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:10,943 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,943 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,943 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2021-12-06 22:22:10,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,964 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-12-06 22:22:10,966 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 [2021-12-06 22:22:10,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:10,973 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 22:22:10,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:10,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:10,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:10,973 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 22:22:10,973 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:22:10,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:10,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:10,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2021-12-06 22:22:10,992 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 22:22:10,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:10,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:10,993 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:10,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-12-06 22:22:10,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,001 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,002 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,002 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2021-12-06 22:22:11,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,022 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-12-06 22:22:11,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,030 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,030 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Ended with exit code 0 [2021-12-06 22:22:11,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,052 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-12-06 22:22:11,054 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 [2021-12-06 22:22:11,061 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,061 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,061 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Ended with exit code 0 [2021-12-06 22:22:11,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,084 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2021-12-06 22:22:11,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,092 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,092 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,092 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Ended with exit code 0 [2021-12-06 22:22:11,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,115 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2021-12-06 22:22:11,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,125 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,126 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2021-12-06 22:22:11,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,155 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2021-12-06 22:22:11,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,163 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,163 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,163 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,165 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,165 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:11,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:11,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,189 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2021-12-06 22:22:11,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,197 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,197 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,198 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2021-12-06 22:22:11,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,218 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2021-12-06 22:22:11,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,226 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,226 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,226 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2021-12-06 22:22:11,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,248 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2021-12-06 22:22:11,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,256 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,256 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2021-12-06 22:22:11,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,278 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2021-12-06 22:22:11,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,287 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,287 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,288 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,288 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:11,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Ended with exit code 0 [2021-12-06 22:22:11,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,313 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2021-12-06 22:22:11,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,321 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,321 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Ended with exit code 0 [2021-12-06 22:22:11,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,343 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2021-12-06 22:22:11,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,351 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,352 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2021-12-06 22:22:11,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,373 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2021-12-06 22:22:11,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,382 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,382 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Ended with exit code 0 [2021-12-06 22:22:11,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,403 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2021-12-06 22:22:11,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,411 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,411 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Ended with exit code 0 [2021-12-06 22:22:11,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,433 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2021-12-06 22:22:11,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,441 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,441 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Ended with exit code 0 [2021-12-06 22:22:11,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,462 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2021-12-06 22:22:11,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,471 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,471 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Ended with exit code 0 [2021-12-06 22:22:11,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,492 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2021-12-06 22:22:11,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,500 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,500 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Ended with exit code 0 [2021-12-06 22:22:11,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,522 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2021-12-06 22:22:11,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,530 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,530 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,530 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:11,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,551 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2021-12-06 22:22:11,552 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 [2021-12-06 22:22:11,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,559 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,560 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Ended with exit code 0 [2021-12-06 22:22:11,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,580 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2021-12-06 22:22:11,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,589 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,589 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,589 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Ended with exit code 0 [2021-12-06 22:22:11,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,615 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2021-12-06 22:22:11,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,623 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,623 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:11,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,645 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2021-12-06 22:22:11,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,654 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,654 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,654 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,664 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,664 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:11,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Ended with exit code 0 [2021-12-06 22:22:11,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,719 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2021-12-06 22:22:11,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,727 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,727 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Ended with exit code 0 [2021-12-06 22:22:11,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,757 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2021-12-06 22:22:11,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,767 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,767 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,769 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,769 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:11,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Ended with exit code 0 [2021-12-06 22:22:11,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,793 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2021-12-06 22:22:11,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,802 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,802 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Ended with exit code 0 [2021-12-06 22:22:11,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,824 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2021-12-06 22:22:11,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,833 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,833 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2021-12-06 22:22:11,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,855 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2021-12-06 22:22:11,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,865 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,865 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,865 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,866 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,866 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:11,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Ended with exit code 0 [2021-12-06 22:22:11,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,890 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2021-12-06 22:22:11,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,899 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,899 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,900 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,900 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:11,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2021-12-06 22:22:11,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,926 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2021-12-06 22:22:11,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,934 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,934 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:11,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,934 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:11,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:11,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:11,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Ended with exit code 0 [2021-12-06 22:22:11,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:11,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:11,956 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:11,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2021-12-06 22:22:11,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:11,967 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:11,967 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:11,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:11,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:11,968 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:11,974 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-06 22:22:11,975 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-06 22:22:12,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:12,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2021-12-06 22:22:12,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:12,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:12,021 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:12,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2021-12-06 22:22:12,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:12,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:12,030 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:12,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:12,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:12,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:12,031 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:12,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:12,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:12,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:12,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2021-12-06 22:22:12,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:12,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:12,054 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:12,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2021-12-06 22:22:12,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:12,062 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:12,062 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:12,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:12,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:12,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:12,063 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:12,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:12,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:12,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:12,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2021-12-06 22:22:12,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:12,086 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:12,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2021-12-06 22:22:12,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:12,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 22:22:12,095 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 22:22:12,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:12,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:12,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:12,095 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 22:22:12,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:12,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:12,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:12,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2021-12-06 22:22:12,115 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-06 22:22:12,115 INFO L791 eck$LassoCheckResult]: Stem: 550#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 551#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 554#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 555#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 560#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 557#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 552#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 553#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 563#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 564#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 574#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 572#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 573#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 569#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 571#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 570#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 568#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 566#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 558#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 559#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 561#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 562#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 567#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 575#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 560#L522-4 [2021-12-06 22:22:12,115 INFO L793 eck$LassoCheckResult]: Loop: 560#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 557#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 552#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 553#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 563#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 564#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 574#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 572#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 573#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 569#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 571#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 570#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 568#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 566#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 558#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 559#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 561#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 562#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 567#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 575#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 560#L522-4 [2021-12-06 22:22:12,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:12,116 INFO L85 PathProgramCache]: Analyzing trace with hash 409903956, now seen corresponding path program 2 times [2021-12-06 22:22:12,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:12,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302950857] [2021-12-06 22:22:12,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:12,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:12,130 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:12,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:12,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:12,145 INFO L85 PathProgramCache]: Analyzing trace with hash -945783571, now seen corresponding path program 2 times [2021-12-06 22:22:12,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:12,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449120921] [2021-12-06 22:22:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:12,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:12,154 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:12,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:12,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:12,166 INFO L85 PathProgramCache]: Analyzing trace with hash -688441152, now seen corresponding path program 3 times [2021-12-06 22:22:12,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:12,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266905433] [2021-12-06 22:22:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:12,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:12,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:12,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266905433] [2021-12-06 22:22:12,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266905433] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:12,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281375133] [2021-12-06 22:22:12,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:22:12,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:12,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:12,434 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:12,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (301)] Waiting until timeout for monitored process [2021-12-06 22:22:12,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-06 22:22:12,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:12,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 86 conjunts are in the unsatisfiable core [2021-12-06 22:22:12,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:12,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:22:12,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:22:12,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:22:12,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2021-12-06 22:22:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:12,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:13,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-12-06 22:22:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:22:13,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281375133] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:13,165 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:13,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 14] total 39 [2021-12-06 22:22:13,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964689858] [2021-12-06 22:22:13,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:13,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:13,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-12-06 22:22:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1353, Unknown=0, NotChecked=0, Total=1482 [2021-12-06 22:22:13,461 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 9 Second operand has 39 states, 39 states have (on average 2.6666666666666665) internal successors, (104), 39 states have internal predecessors, (104), 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) [2021-12-06 22:22:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:14,271 INFO L93 Difference]: Finished difference Result 138 states and 172 transitions. [2021-12-06 22:22:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-06 22:22:14,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 138 states and 172 transitions. [2021-12-06 22:22:14,274 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 82 [2021-12-06 22:22:14,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 138 states to 134 states and 168 transitions. [2021-12-06 22:22:14,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-12-06 22:22:14,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2021-12-06 22:22:14,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 168 transitions. [2021-12-06 22:22:14,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:22:14,276 INFO L681 BuchiCegarLoop]: Abstraction has 134 states and 168 transitions. [2021-12-06 22:22:14,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 168 transitions. [2021-12-06 22:22:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 88. [2021-12-06 22:22:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 87 states have internal predecessors, (111), 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) [2021-12-06 22:22:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 111 transitions. [2021-12-06 22:22:14,282 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 111 transitions. [2021-12-06 22:22:14,282 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 111 transitions. [2021-12-06 22:22:14,282 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 22:22:14,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 111 transitions. [2021-12-06 22:22:14,282 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 57 [2021-12-06 22:22:14,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:14,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:14,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:14,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:22:14,283 INFO L791 eck$LassoCheckResult]: Stem: 1070#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1071#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1074#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 1075#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 1081#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 1149#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1148#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1147#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1146#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1145#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1144#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1073#L511-2 [2021-12-06 22:22:14,283 INFO L793 eck$LassoCheckResult]: Loop: 1073#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1084#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1077#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1078#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1073#L511-2 [2021-12-06 22:22:14,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:14,283 INFO L85 PathProgramCache]: Analyzing trace with hash 809195737, now seen corresponding path program 1 times [2021-12-06 22:22:14,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:14,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976629387] [2021-12-06 22:22:14,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:14,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:14,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:14,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:14,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2005547, now seen corresponding path program 1 times [2021-12-06 22:22:14,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:14,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999323150] [2021-12-06 22:22:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:14,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:14,300 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:14,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:14,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2127677187, now seen corresponding path program 2 times [2021-12-06 22:22:14,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:14,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432655099] [2021-12-06 22:22:14,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:14,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:14,310 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:14,317 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:14,681 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:22:14,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:22:14,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:22:14,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:22:14,682 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:22:14,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:14,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:22:14,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:22:14,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: dirname-2.i_Iteration7_Lasso [2021-12-06 22:22:14,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:22:14,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:22:14,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:14,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:15,066 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:22:15,066 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:22:15,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,067 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2021-12-06 22:22:15,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:15,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:15,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:15,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:15,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:15,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:15,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:15,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2021-12-06 22:22:15,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,098 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2021-12-06 22:22:15,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:15,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:15,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:15,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:15,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:15,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:15,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2021-12-06 22:22:15,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,129 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2021-12-06 22:22:15,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:15,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:15,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:15,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:15,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:15,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:15,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Ended with exit code 0 [2021-12-06 22:22:15,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,166 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2021-12-06 22:22:15,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:15,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,174 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 22:22:15,174 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-06 22:22:15,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,185 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-12-06 22:22:15,185 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-06 22:22:15,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:15,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Ended with exit code 0 [2021-12-06 22:22:15,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,256 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2021-12-06 22:22:15,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:15,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:15,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:15,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:15,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:15,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:15,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Ended with exit code 0 [2021-12-06 22:22:15,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,285 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2021-12-06 22:22:15,286 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 [2021-12-06 22:22:15,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:15,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:15,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:15,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:15,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:15,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2021-12-06 22:22:15,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,315 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2021-12-06 22:22:15,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:15,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:15,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:15,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:15,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:15,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:15,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:15,338 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:22:15,366 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-06 22:22:15,366 INFO L444 ModelExtractionUtils]: 22 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-06 22:22:15,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:15,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:15,369 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:15,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2021-12-06 22:22:15,373 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:22:15,381 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:22:15,381 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:22:15,381 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strrchr_~t#1.base)_2, ULTIMATE.start_strrchr_~t#1.offset) = 1*v_rep(select #length ULTIMATE.start_strrchr_~t#1.base)_2 - 1*ULTIMATE.start_strrchr_~t#1.offset Supporting invariants [] [2021-12-06 22:22:15,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2021-12-06 22:22:15,418 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-12-06 22:22:15,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:15,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:22:15,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:15,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:22:15,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:15,494 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 22:22:15,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 88 states and 111 transitions. cyclomatic complexity: 26 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) [2021-12-06 22:22:15,539 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 88 states and 111 transitions. cyclomatic complexity: 26. 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 163 states and 205 transitions. Complement of second has 5 states. [2021-12-06 22:22:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:22:15,540 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) [2021-12-06 22:22:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2021-12-06 22:22:15,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-06 22:22:15,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:15,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-06 22:22:15,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:15,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 29 transitions. Stem has 11 letters. Loop has 8 letters. [2021-12-06 22:22:15,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:15,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 205 transitions. [2021-12-06 22:22:15,546 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 62 [2021-12-06 22:22:15,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 133 states and 167 transitions. [2021-12-06 22:22:15,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 110 [2021-12-06 22:22:15,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2021-12-06 22:22:15,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 133 states and 167 transitions. [2021-12-06 22:22:15,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:15,548 INFO L681 BuchiCegarLoop]: Abstraction has 133 states and 167 transitions. [2021-12-06 22:22:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states and 167 transitions. [2021-12-06 22:22:15,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 115. [2021-12-06 22:22:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 114 states have internal predecessors, (146), 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) [2021-12-06 22:22:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 146 transitions. [2021-12-06 22:22:15,556 INFO L704 BuchiCegarLoop]: Abstraction has 115 states and 146 transitions. [2021-12-06 22:22:15,556 INFO L587 BuchiCegarLoop]: Abstraction has 115 states and 146 transitions. [2021-12-06 22:22:15,556 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 22:22:15,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 146 transitions. [2021-12-06 22:22:15,557 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 57 [2021-12-06 22:22:15,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:15,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:15,558 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1] [2021-12-06 22:22:15,558 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:22:15,558 INFO L791 eck$LassoCheckResult]: Stem: 1420#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1426#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 1427#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 1434#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 1511#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1509#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1508#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1507#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1506#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1504#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1503#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1502#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1500#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1494#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1496#L511-2 [2021-12-06 22:22:15,558 INFO L793 eck$LassoCheckResult]: Loop: 1496#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1521#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1520#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1519#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1496#L511-2 [2021-12-06 22:22:15,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:15,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2125830143, now seen corresponding path program 1 times [2021-12-06 22:22:15,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:15,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866004324] [2021-12-06 22:22:15,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:15,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:15,568 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:15,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:15,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:15,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2005545, now seen corresponding path program 1 times [2021-12-06 22:22:15,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:15,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662998193] [2021-12-06 22:22:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:15,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:15,580 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:15,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:15,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:15,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2049704743, now seen corresponding path program 2 times [2021-12-06 22:22:15,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:15,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630491311] [2021-12-06 22:22:15,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:15,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:15,590 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:15,599 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:16,068 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:22:16,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:22:16,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:22:16,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:22:16,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:22:16,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:22:16,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:22:16,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: dirname-2.i_Iteration8_Lasso [2021-12-06 22:22:16,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:22:16,069 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:22:16,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2021-12-06 22:22:16,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:16,500 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:22:16,500 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:22:16,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,501 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2021-12-06 22:22:16,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:16,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:16,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:16,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,532 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2021-12-06 22:22:16,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2021-12-06 22:22:16,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,562 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2021-12-06 22:22:16,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2021-12-06 22:22:16,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,590 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2021-12-06 22:22:16,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Ended with exit code 0 [2021-12-06 22:22:16,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,617 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2021-12-06 22:22:16,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Ended with exit code 0 [2021-12-06 22:22:16,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,645 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2021-12-06 22:22:16,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Ended with exit code 0 [2021-12-06 22:22:16,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,674 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2021-12-06 22:22:16,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2021-12-06 22:22:16,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,701 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2021-12-06 22:22:16,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2021-12-06 22:22:16,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,730 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2021-12-06 22:22:16,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:16,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,758 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2021-12-06 22:22:16,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2021-12-06 22:22:16,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,785 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2021-12-06 22:22:16,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2021-12-06 22:22:16,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,814 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2021-12-06 22:22:16,815 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 [2021-12-06 22:22:16,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:16,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:16,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:16,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,844 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2021-12-06 22:22:16,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2021-12-06 22:22:16,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,877 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2021-12-06 22:22:16,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2021-12-06 22:22:16,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,906 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2021-12-06 22:22:16,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:16,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,933 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2021-12-06 22:22:16,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Ended with exit code 0 [2021-12-06 22:22:16,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,962 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2021-12-06 22:22:16,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:16,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2021-12-06 22:22:16,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:16,990 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:16,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2021-12-06 22:22:16,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:16,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:16,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:16,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:16,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:16,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:16,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:16,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:16,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2021-12-06 22:22:17,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,018 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2021-12-06 22:22:17,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:17,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,046 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2021-12-06 22:22:17,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2021-12-06 22:22:17,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,073 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2021-12-06 22:22:17,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2021-12-06 22:22:17,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,101 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2021-12-06 22:22:17,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2021-12-06 22:22:17,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,130 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2021-12-06 22:22:17,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2021-12-06 22:22:17,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,158 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2021-12-06 22:22:17,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2021-12-06 22:22:17,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,185 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2021-12-06 22:22:17,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:17,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:17,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:17,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,215 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2021-12-06 22:22:17,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:17,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:17,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:17,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Ended with exit code 0 [2021-12-06 22:22:17,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,245 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2021-12-06 22:22:17,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:17,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:17,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Ended with exit code 0 [2021-12-06 22:22:17,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,275 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2021-12-06 22:22:17,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:17,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:17,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:17,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,313 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2021-12-06 22:22:17,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,322 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 22:22:17,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,327 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-06 22:22:17,327 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:22:17,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Ended with exit code 0 [2021-12-06 22:22:17,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,367 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2021-12-06 22:22:17,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:17,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:17,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Ended with exit code 0 [2021-12-06 22:22:17,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,398 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2021-12-06 22:22:17,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:17,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:17,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:17,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Ended with exit code 0 [2021-12-06 22:22:17,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,429 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2021-12-06 22:22:17,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:17,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:17,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:17,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:17,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:17,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:17,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:17,453 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:22:17,476 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-06 22:22:17,477 INFO L444 ModelExtractionUtils]: 17 out of 37 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-12-06 22:22:17,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:17,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,477 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2021-12-06 22:22:17,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:22:17,486 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:22:17,486 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:22:17,486 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strrchr_~t#1.offset, v_rep(select #length ULTIMATE.start_strrchr_#in~t#1.base)_1) = -1*ULTIMATE.start_strrchr_~t#1.offset + 1*v_rep(select #length ULTIMATE.start_strrchr_#in~t#1.base)_1 Supporting invariants [] [2021-12-06 22:22:17,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2021-12-06 22:22:17,526 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-12-06 22:22:17,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:17,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:22:17,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:17,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:22:17,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:17,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:17,603 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 [2021-12-06 22:22:17,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 115 states and 146 transitions. cyclomatic complexity: 37 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2021-12-06 22:22:17,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 115 states and 146 transitions. cyclomatic complexity: 37. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 189 states and 250 transitions. Complement of second has 8 states. [2021-12-06 22:22:17,642 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 [2021-12-06 22:22:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2021-12-06 22:22:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2021-12-06 22:22:17,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-06 22:22:17,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:17,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 19 letters. Loop has 4 letters. [2021-12-06 22:22:17,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:17,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 15 letters. Loop has 8 letters. [2021-12-06 22:22:17,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:17,644 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 250 transitions. [2021-12-06 22:22:17,647 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 58 [2021-12-06 22:22:17,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 145 states and 184 transitions. [2021-12-06 22:22:17,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2021-12-06 22:22:17,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2021-12-06 22:22:17,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 184 transitions. [2021-12-06 22:22:17,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:17,650 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 184 transitions. [2021-12-06 22:22:17,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 184 transitions. [2021-12-06 22:22:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2021-12-06 22:22:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 111 states have internal predecessors, (143), 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) [2021-12-06 22:22:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2021-12-06 22:22:17,657 INFO L704 BuchiCegarLoop]: Abstraction has 112 states and 143 transitions. [2021-12-06 22:22:17,657 INFO L587 BuchiCegarLoop]: Abstraction has 112 states and 143 transitions. [2021-12-06 22:22:17,657 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 22:22:17,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 143 transitions. [2021-12-06 22:22:17,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-12-06 22:22:17,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:17,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:17,659 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:17,659 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:17,659 INFO L791 eck$LassoCheckResult]: Stem: 1857#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1858#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1864#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 1865#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 1873#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 1945#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1944#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1879#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1880#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1966#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1965#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1881#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1877#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1869#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1870#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1863#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1964#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1956#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1953#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1952#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1946#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 1883#L513 [2021-12-06 22:22:17,659 INFO L793 eck$LassoCheckResult]: Loop: 1883#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 1871#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 1872#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 1874#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 1875#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 1884#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 1888#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 1925#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 1924#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1923#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1904#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1922#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1921#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1920#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1899#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1963#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1962#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1961#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 1895#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1960#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 1958#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1959#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 1948#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 1949#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 1883#L513 [2021-12-06 22:22:17,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:17,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2092440400, now seen corresponding path program 1 times [2021-12-06 22:22:17,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:17,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534818880] [2021-12-06 22:22:17,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:17,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:17,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:17,681 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1769846463, now seen corresponding path program 3 times [2021-12-06 22:22:17,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:17,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581774664] [2021-12-06 22:22:17,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:17,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:17,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:17,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash 557618446, now seen corresponding path program 4 times [2021-12-06 22:22:17,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:17,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847556247] [2021-12-06 22:22:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:17,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 29 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:17,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:17,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847556247] [2021-12-06 22:22:17,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847556247] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:17,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367173449] [2021-12-06 22:22:17,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:22:17,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:17,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:17,884 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:17,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (343)] Waiting until timeout for monitored process [2021-12-06 22:22:17,934 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:22:17,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:17,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 65 conjunts are in the unsatisfiable core [2021-12-06 22:22:17,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:18,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:22:18,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:18,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2021-12-06 22:22:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 29 proven. 84 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:18,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:18,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:22:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 29 proven. 84 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:18,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367173449] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:18,184 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:18,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 24 [2021-12-06 22:22:18,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118785478] [2021-12-06 22:22:18,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:18,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 22:22:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:22:18,617 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. cyclomatic complexity: 37 Second operand has 24 states, 24 states have (on average 3.125) internal successors, (75), 24 states have internal predecessors, (75), 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) [2021-12-06 22:22:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:19,192 INFO L93 Difference]: Finished difference Result 275 states and 342 transitions. [2021-12-06 22:22:19,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 22:22:19,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 342 transitions. [2021-12-06 22:22:19,194 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 123 [2021-12-06 22:22:19,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 259 states and 322 transitions. [2021-12-06 22:22:19,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2021-12-06 22:22:19,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2021-12-06 22:22:19,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 259 states and 322 transitions. [2021-12-06 22:22:19,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:19,197 INFO L681 BuchiCegarLoop]: Abstraction has 259 states and 322 transitions. [2021-12-06 22:22:19,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states and 322 transitions. [2021-12-06 22:22:19,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 185. [2021-12-06 22:22:19,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 184 states have internal predecessors, (234), 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) [2021-12-06 22:22:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 234 transitions. [2021-12-06 22:22:19,203 INFO L704 BuchiCegarLoop]: Abstraction has 185 states and 234 transitions. [2021-12-06 22:22:19,203 INFO L587 BuchiCegarLoop]: Abstraction has 185 states and 234 transitions. [2021-12-06 22:22:19,203 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 22:22:19,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 234 transitions. [2021-12-06 22:22:19,203 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2021-12-06 22:22:19,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:19,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:19,204 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:19,204 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 22:22:19,204 INFO L791 eck$LassoCheckResult]: Stem: 2569#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2570#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 2576#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 2577#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 2584#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 2606#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 2604#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 2602#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 2603#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 2751#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 2573#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 2575#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 2747#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 2745#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 2717#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 2710#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 2599#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 2593#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 2582#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 2583#L521 assume !(0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem6#1; 2567#L525 assume dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset; 2568#L526-5 [2021-12-06 22:22:19,204 INFO L793 eck$LassoCheckResult]: Loop: 2568#L526-5 call dirname_#t~mem9#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1);dirname_#t~short10#1 := 47 == dirname_#t~mem9#1; 2592#L526-1 assume dirname_#t~short10#1;assume dirname_~c~0#1.base == dirname_~path#1.base;dirname_#t~short10#1 := dirname_~c~0#1.offset >= dirname_~path#1.offset; 2578#L526-3 assume !!dirname_#t~short10#1;havoc dirname_#t~mem9#1;havoc dirname_#t~short10#1;dirname_#t~post11#1.base, dirname_#t~post11#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post11#1.base, dirname_#t~post11#1.offset - 1;call write~int(0, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, 1);havoc dirname_#t~post11#1.base, dirname_#t~post11#1.offset; 2568#L526-5 [2021-12-06 22:22:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1129845746, now seen corresponding path program 1 times [2021-12-06 22:22:19,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:19,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025945904] [2021-12-06 22:22:19,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:19,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:19,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:19,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025945904] [2021-12-06 22:22:19,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025945904] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:19,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413083319] [2021-12-06 22:22:19,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:19,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:19,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:19,279 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:19,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (344)] Waiting until timeout for monitored process [2021-12-06 22:22:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:19,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 43 conjunts are in the unsatisfiable core [2021-12-06 22:22:19,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:19,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:22:19,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 22:22:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:19,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:19,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413083319] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:19,471 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:19,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 15 [2021-12-06 22:22:19,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679964742] [2021-12-06 22:22:19,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:19,472 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:22:19,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:19,472 INFO L85 PathProgramCache]: Analyzing trace with hash 107349, now seen corresponding path program 1 times [2021-12-06 22:22:19,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:19,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571630219] [2021-12-06 22:22:19,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:19,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:19,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:19,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:19,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 22:22:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-12-06 22:22:19,542 INFO L87 Difference]: Start difference. First operand 185 states and 234 transitions. cyclomatic complexity: 57 Second operand has 16 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 16 states have internal predecessors, (35), 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) [2021-12-06 22:22:19,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:19,888 INFO L93 Difference]: Finished difference Result 383 states and 477 transitions. [2021-12-06 22:22:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:22:19,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 477 transitions. [2021-12-06 22:22:19,890 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 205 [2021-12-06 22:22:19,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 368 states and 455 transitions. [2021-12-06 22:22:19,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2021-12-06 22:22:19,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2021-12-06 22:22:19,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 368 states and 455 transitions. [2021-12-06 22:22:19,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:19,893 INFO L681 BuchiCegarLoop]: Abstraction has 368 states and 455 transitions. [2021-12-06 22:22:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states and 455 transitions. [2021-12-06 22:22:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 214. [2021-12-06 22:22:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 214 states have (on average 1.2523364485981308) internal successors, (268), 213 states have internal predecessors, (268), 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) [2021-12-06 22:22:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 268 transitions. [2021-12-06 22:22:19,899 INFO L704 BuchiCegarLoop]: Abstraction has 214 states and 268 transitions. [2021-12-06 22:22:19,899 INFO L587 BuchiCegarLoop]: Abstraction has 214 states and 268 transitions. [2021-12-06 22:22:19,899 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 22:22:19,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 268 transitions. [2021-12-06 22:22:19,900 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2021-12-06 22:22:19,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:19,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:19,900 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:19,900 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:22:19,901 INFO L791 eck$LassoCheckResult]: Stem: 3310#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3311#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3317#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 3318#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 3326#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 3468#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 3467#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 3465#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 3463#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 3461#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 3458#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 3456#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 3453#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 3448#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 3443#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 3441#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 3439#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 3437#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 3435#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 3433#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 3432#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 3425#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 3423#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 3421#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 3384#L522-3 [2021-12-06 22:22:19,901 INFO L793 eck$LassoCheckResult]: Loop: 3384#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 3420#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 3384#L522-3 [2021-12-06 22:22:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:19,901 INFO L85 PathProgramCache]: Analyzing trace with hash 409903958, now seen corresponding path program 1 times [2021-12-06 22:22:19,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:19,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174396361] [2021-12-06 22:22:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:19,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:19,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:19,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174396361] [2021-12-06 22:22:19,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174396361] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:19,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074796812] [2021-12-06 22:22:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:19,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:19,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:19,984 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:19,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (345)] Waiting until timeout for monitored process [2021-12-06 22:22:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 42 conjunts are in the unsatisfiable core [2021-12-06 22:22:20,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:20,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:20,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074796812] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:20,179 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:20,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2021-12-06 22:22:20,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699567773] [2021-12-06 22:22:20,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:20,180 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:22:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2886, now seen corresponding path program 1 times [2021-12-06 22:22:20,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:20,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824013718] [2021-12-06 22:22:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:20,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:20,182 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:20,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:20,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:20,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 22:22:20,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:22:20,235 INFO L87 Difference]: Start difference. First operand 214 states and 268 transitions. cyclomatic complexity: 62 Second operand has 17 states, 16 states have (on average 2.8125) internal successors, (45), 17 states have internal predecessors, (45), 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) [2021-12-06 22:22:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:20,634 INFO L93 Difference]: Finished difference Result 317 states and 392 transitions. [2021-12-06 22:22:20,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 22:22:20,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 317 states and 392 transitions. [2021-12-06 22:22:20,636 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 176 [2021-12-06 22:22:20,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 317 states to 317 states and 392 transitions. [2021-12-06 22:22:20,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2021-12-06 22:22:20,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2021-12-06 22:22:20,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 392 transitions. [2021-12-06 22:22:20,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:20,638 INFO L681 BuchiCegarLoop]: Abstraction has 317 states and 392 transitions. [2021-12-06 22:22:20,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 392 transitions. [2021-12-06 22:22:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 214. [2021-12-06 22:22:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 214 states have (on average 1.2383177570093458) internal successors, (265), 213 states have internal predecessors, (265), 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) [2021-12-06 22:22:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 265 transitions. [2021-12-06 22:22:20,642 INFO L704 BuchiCegarLoop]: Abstraction has 214 states and 265 transitions. [2021-12-06 22:22:20,642 INFO L587 BuchiCegarLoop]: Abstraction has 214 states and 265 transitions. [2021-12-06 22:22:20,642 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 22:22:20,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 214 states and 265 transitions. [2021-12-06 22:22:20,643 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 107 [2021-12-06 22:22:20,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:20,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:20,644 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:20,644 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:20,644 INFO L791 eck$LassoCheckResult]: Stem: 4031#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4032#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4038#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 4039#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 4045#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 4156#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4154#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4152#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4153#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4148#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4149#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4146#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4211#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4209#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4035#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4036#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4051#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4043#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4044#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 4205#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4208#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4206#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4207#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4192#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4178#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 4174#L513 [2021-12-06 22:22:20,644 INFO L793 eck$LassoCheckResult]: Loop: 4174#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 4173#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 4080#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 4078#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 4077#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 4075#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 4076#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 4169#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 4168#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4167#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4106#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4158#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4138#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4136#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4034#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4242#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4241#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4220#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 4097#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4218#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4214#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4215#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 4093#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4219#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 4217#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4193#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 4181#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 4182#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 4174#L513 [2021-12-06 22:22:20,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1581233158, now seen corresponding path program 2 times [2021-12-06 22:22:20,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:20,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882147559] [2021-12-06 22:22:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:20,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:20,651 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:20,659 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash 143864423, now seen corresponding path program 4 times [2021-12-06 22:22:20,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:20,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243939076] [2021-12-06 22:22:20,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:20,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:20,666 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:20,674 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:20,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:20,675 INFO L85 PathProgramCache]: Analyzing trace with hash 553271008, now seen corresponding path program 5 times [2021-12-06 22:22:20,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:20,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260503302] [2021-12-06 22:22:20,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:20,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 130 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:20,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:20,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260503302] [2021-12-06 22:22:20,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260503302] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:20,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520093778] [2021-12-06 22:22:20,862 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 22:22:20,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:20,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:20,863 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:20,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (346)] Waiting until timeout for monitored process [2021-12-06 22:22:20,922 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-12-06 22:22:20,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:20,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 65 conjunts are in the unsatisfiable core [2021-12-06 22:22:20,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:21,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:22:21,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 37 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:21,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:21,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:22:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 37 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:21,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520093778] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:21,210 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:21,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 32 [2021-12-06 22:22:21,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158377572] [2021-12-06 22:22:21,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:21,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:21,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-06 22:22:21,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2021-12-06 22:22:21,696 INFO L87 Difference]: Start difference. First operand 214 states and 265 transitions. cyclomatic complexity: 60 Second operand has 32 states, 32 states have (on average 2.9375) internal successors, (94), 32 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:22,936 INFO L93 Difference]: Finished difference Result 470 states and 565 transitions. [2021-12-06 22:22:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-06 22:22:22,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 470 states and 565 transitions. [2021-12-06 22:22:22,939 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 214 [2021-12-06 22:22:22,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 470 states to 454 states and 546 transitions. [2021-12-06 22:22:22,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 380 [2021-12-06 22:22:22,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 380 [2021-12-06 22:22:22,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 454 states and 546 transitions. [2021-12-06 22:22:22,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:22,944 INFO L681 BuchiCegarLoop]: Abstraction has 454 states and 546 transitions. [2021-12-06 22:22:22,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states and 546 transitions. [2021-12-06 22:22:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 319. [2021-12-06 22:22:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 319 states have (on average 1.2413793103448276) internal successors, (396), 318 states have internal predecessors, (396), 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) [2021-12-06 22:22:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 396 transitions. [2021-12-06 22:22:22,952 INFO L704 BuchiCegarLoop]: Abstraction has 319 states and 396 transitions. [2021-12-06 22:22:22,952 INFO L587 BuchiCegarLoop]: Abstraction has 319 states and 396 transitions. [2021-12-06 22:22:22,952 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 22:22:22,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 319 states and 396 transitions. [2021-12-06 22:22:22,953 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 154 [2021-12-06 22:22:22,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:22,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:22,954 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:22,954 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 22:22:22,954 INFO L791 eck$LassoCheckResult]: Stem: 5128#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5135#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 5136#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 5144#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 5181#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5179#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 5180#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5351#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 5350#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5349#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 5187#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5188#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 5182#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5132#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 5133#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5355#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 5356#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5385#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 5384#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 5383#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 5382#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 5381#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 5376#L521 assume !(0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem6#1; 5126#L525 assume dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset; 5127#L526-5 [2021-12-06 22:22:22,954 INFO L793 eck$LassoCheckResult]: Loop: 5127#L526-5 call dirname_#t~mem9#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1);dirname_#t~short10#1 := 47 == dirname_#t~mem9#1; 5155#L526-1 assume dirname_#t~short10#1;assume dirname_~c~0#1.base == dirname_~path#1.base;dirname_#t~short10#1 := dirname_~c~0#1.offset >= dirname_~path#1.offset; 5137#L526-3 assume !!dirname_#t~short10#1;havoc dirname_#t~mem9#1;havoc dirname_#t~short10#1;dirname_#t~post11#1.base, dirname_#t~post11#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post11#1.base, dirname_#t~post11#1.offset - 1;call write~int(0, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, 1);havoc dirname_#t~post11#1.base, dirname_#t~post11#1.offset; 5127#L526-5 [2021-12-06 22:22:22,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:22,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1472376248, now seen corresponding path program 2 times [2021-12-06 22:22:22,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:22,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303611645] [2021-12-06 22:22:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:22,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:22,965 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:22,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:22,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:22,977 INFO L85 PathProgramCache]: Analyzing trace with hash 107349, now seen corresponding path program 2 times [2021-12-06 22:22:22,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:22,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237290003] [2021-12-06 22:22:22,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:22,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:22,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:22,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:22,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:22,986 INFO L85 PathProgramCache]: Analyzing trace with hash -940112322, now seen corresponding path program 1 times [2021-12-06 22:22:22,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:22,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383761337] [2021-12-06 22:22:22,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:22,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:22,995 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:23,004 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:23,573 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:22:23,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:22:23,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:22:23,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:22:23,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:22:23,574 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:23,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:22:23,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:22:23,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: dirname-2.i_Iteration13_Lasso [2021-12-06 22:22:23,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:22:23,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:22:23,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:23,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:24,569 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:22:24,569 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:22:24,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,570 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2021-12-06 22:22:24,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:24,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:24,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:24,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Ended with exit code 0 [2021-12-06 22:22:24,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,602 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2021-12-06 22:22:24,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,610 INFO L203 nArgumentSynthesizer]: 9 stem disjuncts [2021-12-06 22:22:24,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,620 INFO L401 nArgumentSynthesizer]: We have 22 Motzkin's Theorem applications. [2021-12-06 22:22:24,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:24,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Ended with exit code 0 [2021-12-06 22:22:24,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,666 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2021-12-06 22:22:24,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:24,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:24,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:24,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Ended with exit code 0 [2021-12-06 22:22:24,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,695 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2021-12-06 22:22:24,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:24,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:24,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:24,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Ended with exit code 0 [2021-12-06 22:22:24,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,726 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2021-12-06 22:22:24,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:24,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:24,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:24,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2021-12-06 22:22:24,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,765 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2021-12-06 22:22:24,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:24,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:24,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:24,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:24,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,796 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2021-12-06 22:22:24,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:24,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:24,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:24,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:24,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:24,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:24,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:24,822 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:22:24,844 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-06 22:22:24,844 INFO L444 ModelExtractionUtils]: 25 out of 43 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-06 22:22:24,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:24,845 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:24,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2021-12-06 22:22:24,845 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:22:24,854 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:22:24,854 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:22:24,854 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_dirname_~c~0#1.offset) = 2*ULTIMATE.start_dirname_~c~0#1.offset + 1 Supporting invariants [] [2021-12-06 22:22:24,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:24,923 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-12-06 22:22:24,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:24,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:22:24,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:24,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:22:24,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:24,975 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-06 22:22:24,975 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 319 states and 396 transitions. cyclomatic complexity: 89 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:24,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 319 states and 396 transitions. cyclomatic complexity: 89. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 322 states and 401 transitions. Complement of second has 4 states. [2021-12-06 22:22:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:22:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-12-06 22:22:24,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 25 letters. Loop has 3 letters. [2021-12-06 22:22:24,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:24,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 3 letters. [2021-12-06 22:22:24,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:24,986 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 25 letters. Loop has 6 letters. [2021-12-06 22:22:24,987 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:24,987 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 401 transitions. [2021-12-06 22:22:24,989 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 151 [2021-12-06 22:22:24,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 306 states and 374 transitions. [2021-12-06 22:22:24,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 238 [2021-12-06 22:22:24,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 238 [2021-12-06 22:22:24,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 374 transitions. [2021-12-06 22:22:24,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:24,992 INFO L681 BuchiCegarLoop]: Abstraction has 306 states and 374 transitions. [2021-12-06 22:22:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 374 transitions. [2021-12-06 22:22:24,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 244. [2021-12-06 22:22:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 244 states have (on average 1.2377049180327868) internal successors, (302), 243 states have internal predecessors, (302), 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) [2021-12-06 22:22:24,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 302 transitions. [2021-12-06 22:22:24,998 INFO L704 BuchiCegarLoop]: Abstraction has 244 states and 302 transitions. [2021-12-06 22:22:24,998 INFO L587 BuchiCegarLoop]: Abstraction has 244 states and 302 transitions. [2021-12-06 22:22:24,998 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 22:22:24,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 244 states and 302 transitions. [2021-12-06 22:22:24,999 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 120 [2021-12-06 22:22:24,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:24,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:25,000 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:25,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:22:25,000 INFO L791 eck$LassoCheckResult]: Stem: 5950#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5951#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5957#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 5958#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 5965#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 6008#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6006#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 6007#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6020#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 6019#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6018#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 6002#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6150#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 6149#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6147#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 6141#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6145#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 6146#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6184#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 6121#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6105#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 6104#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 6102#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 6080#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 6078#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 6076#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 6073#L522-3 [2021-12-06 22:22:25,000 INFO L793 eck$LassoCheckResult]: Loop: 6073#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 6072#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 6073#L522-3 [2021-12-06 22:22:25,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:25,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1414742183, now seen corresponding path program 2 times [2021-12-06 22:22:25,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:25,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375379719] [2021-12-06 22:22:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:25,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:25,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:25,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2886, now seen corresponding path program 2 times [2021-12-06 22:22:25,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:25,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196207589] [2021-12-06 22:22:25,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:25,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:25,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2021-12-06 22:22:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,035 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:25,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:25,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1937393044, now seen corresponding path program 3 times [2021-12-06 22:22:25,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:25,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731163167] [2021-12-06 22:22:25,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:25,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:25,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:25,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731163167] [2021-12-06 22:22:25,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731163167] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:25,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432062285] [2021-12-06 22:22:25,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:22:25,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:25,221 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:25,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (355)] Waiting until timeout for monitored process [2021-12-06 22:22:25,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-06 22:22:25,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:25,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 72 conjunts are in the unsatisfiable core [2021-12-06 22:22:25,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:25,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:22:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:22:25,397 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:22:25,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 24 [2021-12-06 22:22:25,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-06 22:22:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:22:25,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:22:25,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432062285] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:25,645 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:25,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 11] total 26 [2021-12-06 22:22:25,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220488287] [2021-12-06 22:22:25,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:25,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:25,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-06 22:22:25,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-12-06 22:22:25,691 INFO L87 Difference]: Start difference. First operand 244 states and 302 transitions. cyclomatic complexity: 69 Second operand has 27 states, 26 states have (on average 2.230769230769231) internal successors, (58), 27 states have internal predecessors, (58), 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) [2021-12-06 22:22:25,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:25,946 INFO L93 Difference]: Finished difference Result 466 states and 572 transitions. [2021-12-06 22:22:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-06 22:22:25,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 466 states and 572 transitions. [2021-12-06 22:22:25,948 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 190 [2021-12-06 22:22:25,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 466 states to 466 states and 572 transitions. [2021-12-06 22:22:25,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 352 [2021-12-06 22:22:25,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2021-12-06 22:22:25,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 466 states and 572 transitions. [2021-12-06 22:22:25,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:25,951 INFO L681 BuchiCegarLoop]: Abstraction has 466 states and 572 transitions. [2021-12-06 22:22:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states and 572 transitions. [2021-12-06 22:22:25,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 345. [2021-12-06 22:22:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 345 states have (on average 1.2492753623188406) internal successors, (431), 344 states have internal predecessors, (431), 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) [2021-12-06 22:22:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 431 transitions. [2021-12-06 22:22:25,957 INFO L704 BuchiCegarLoop]: Abstraction has 345 states and 431 transitions. [2021-12-06 22:22:25,957 INFO L587 BuchiCegarLoop]: Abstraction has 345 states and 431 transitions. [2021-12-06 22:22:25,957 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 22:22:25,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 345 states and 431 transitions. [2021-12-06 22:22:25,958 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2021-12-06 22:22:25,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:25,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:25,959 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:25,959 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:22:25,959 INFO L791 eck$LassoCheckResult]: Stem: 6882#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 6889#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 6890#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 6895#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 6955#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6953#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 6954#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7079#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 7078#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7077#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 7076#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7075#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 7073#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6968#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 6963#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6964#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 6972#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6933#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 6934#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 6929#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 6930#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 6925#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 6926#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 6921#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 6922#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 6918#L522-3 [2021-12-06 22:22:25,959 INFO L793 eck$LassoCheckResult]: Loop: 6918#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 6919#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 6918#L522-3 [2021-12-06 22:22:25,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:25,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1859156759, now seen corresponding path program 4 times [2021-12-06 22:22:25,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:25,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640576372] [2021-12-06 22:22:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:25,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,966 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,974 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:25,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:25,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2886, now seen corresponding path program 3 times [2021-12-06 22:22:25,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:25,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438046742] [2021-12-06 22:22:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:25,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,977 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:25,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:25,979 INFO L85 PathProgramCache]: Analyzing trace with hash 56751662, now seen corresponding path program 5 times [2021-12-06 22:22:25,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:25,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437885029] [2021-12-06 22:22:25,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:25,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,987 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:25,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:26,874 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:22:26,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:22:26,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:22:26,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:22:26,874 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:22:26,874 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:26,874 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:22:26,874 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:22:26,875 INFO L133 ssoRankerPreferences]: Filename of dumped script: dirname-2.i_Iteration15_Lasso [2021-12-06 22:22:26,875 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:22:26,875 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:22:26,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:26,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:22:27,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:22:27,707 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:22:27,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,708 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2021-12-06 22:22:27,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:27,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,737 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2021-12-06 22:22:27,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:27,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:27,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Ended with exit code 0 [2021-12-06 22:22:27,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,766 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2021-12-06 22:22:27,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Ended with exit code 0 [2021-12-06 22:22:27,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,793 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2021-12-06 22:22:27,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2021-12-06 22:22:27,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,822 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2021-12-06 22:22:27,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:27,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,849 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2021-12-06 22:22:27,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Ended with exit code 0 [2021-12-06 22:22:27,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,878 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2021-12-06 22:22:27,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Ended with exit code 0 [2021-12-06 22:22:27,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,906 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Waiting until timeout for monitored process [2021-12-06 22:22:27,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:27,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,934 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Waiting until timeout for monitored process [2021-12-06 22:22:27,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Ended with exit code 0 [2021-12-06 22:22:27,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,962 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Waiting until timeout for monitored process [2021-12-06 22:22:27,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:27,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Ended with exit code 0 [2021-12-06 22:22:27,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:27,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:27,990 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Waiting until timeout for monitored process [2021-12-06 22:22:27,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:27,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:27,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:27,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:27,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:27,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:27,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:27,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:27,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Ended with exit code 0 [2021-12-06 22:22:28,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,017 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Waiting until timeout for monitored process [2021-12-06 22:22:28,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:28,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:28,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Ended with exit code 0 [2021-12-06 22:22:28,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,049 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Waiting until timeout for monitored process [2021-12-06 22:22:28,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:28,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:28,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:28,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:28,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,077 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Waiting until timeout for monitored process [2021-12-06 22:22:28,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:28,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:28,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Ended with exit code 0 [2021-12-06 22:22:28,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,110 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Waiting until timeout for monitored process [2021-12-06 22:22:28,111 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 [2021-12-06 22:22:28,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:28,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:28,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Forceful destruction successful, exit code 0 [2021-12-06 22:22:28,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,142 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Waiting until timeout for monitored process [2021-12-06 22:22:28,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:22:28,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:22:28,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:22:28,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Ended with exit code 0 [2021-12-06 22:22:28,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,170 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Waiting until timeout for monitored process [2021-12-06 22:22:28,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:28,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:28,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Ended with exit code 0 [2021-12-06 22:22:28,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,201 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Waiting until timeout for monitored process [2021-12-06 22:22:28,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:28,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:28,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Ended with exit code 0 [2021-12-06 22:22:28,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,232 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Waiting until timeout for monitored process [2021-12-06 22:22:28,233 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 [2021-12-06 22:22:28,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:22:28,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:22:28,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:22:28,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:22:28,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Ended with exit code 0 [2021-12-06 22:22:28,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:28,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:28,262 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:28,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Waiting until timeout for monitored process [2021-12-06 22:22:28,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:22:28,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:22:28,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:22:28,271 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-06 22:22:28,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:22:28,314 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-12-06 22:22:28,314 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-06 22:22:28,693 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:22:29,860 INFO L443 ModelExtractionUtils]: Simplification made 88 calls to the SMT solver. [2021-12-06 22:22:29,860 INFO L444 ModelExtractionUtils]: 120 out of 208 variables were initially zero. Simplification set additionally 85 variables to zero. [2021-12-06 22:22:29,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:22:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:29,861 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:22:29,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Waiting until timeout for monitored process [2021-12-06 22:22:29,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:22:29,873 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2021-12-06 22:22:29,873 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:22:29,873 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_3, ULTIMATE.start_dirname_~c~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~in~0#1.base)_3 + 2*ULTIMATE.start_dirname_~c~0#1.offset Supporting invariants [] [2021-12-06 22:22:29,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Ended with exit code 0 [2021-12-06 22:22:29,936 INFO L297 tatePredicateManager]: 17 out of 20 supporting invariants were superfluous and have been removed [2021-12-06 22:22:29,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:29,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-06 22:22:29,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:30,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 22:22:30,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:30,066 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-12-06 22:22:30,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 345 states and 431 transitions. cyclomatic complexity: 99 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:30,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 345 states and 431 transitions. cyclomatic complexity: 99. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 422 states and 520 transitions. Complement of second has 10 states. [2021-12-06 22:22:30,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 6 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:22:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:22:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2021-12-06 22:22:30,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 26 letters. Loop has 2 letters. [2021-12-06 22:22:30,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:30,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 28 letters. Loop has 2 letters. [2021-12-06 22:22:30,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:30,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 26 letters. Loop has 4 letters. [2021-12-06 22:22:30,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:22:30,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 422 states and 520 transitions. [2021-12-06 22:22:30,145 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2021-12-06 22:22:30,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 422 states to 414 states and 509 transitions. [2021-12-06 22:22:30,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 295 [2021-12-06 22:22:30,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-12-06 22:22:30,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 414 states and 509 transitions. [2021-12-06 22:22:30,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:30,147 INFO L681 BuchiCegarLoop]: Abstraction has 414 states and 509 transitions. [2021-12-06 22:22:30,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states and 509 transitions. [2021-12-06 22:22:30,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 372. [2021-12-06 22:22:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 372 states have (on average 1.2473118279569892) internal successors, (464), 371 states have internal predecessors, (464), 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) [2021-12-06 22:22:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 464 transitions. [2021-12-06 22:22:30,153 INFO L704 BuchiCegarLoop]: Abstraction has 372 states and 464 transitions. [2021-12-06 22:22:30,153 INFO L587 BuchiCegarLoop]: Abstraction has 372 states and 464 transitions. [2021-12-06 22:22:30,153 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 22:22:30,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 372 states and 464 transitions. [2021-12-06 22:22:30,154 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2021-12-06 22:22:30,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:30,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:30,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:30,155 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [6, 6, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:30,155 INFO L791 eck$LassoCheckResult]: Stem: 7857#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7858#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 7864#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 7865#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 7869#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 7925#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7923#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 7924#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7944#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8060#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8059#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 7919#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8101#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8100#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8098#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 8099#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8188#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8161#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8156#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 7862#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7877#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 7868#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7861#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 7863#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8153#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 7938#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7939#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 8201#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 7945#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 7881#L513 [2021-12-06 22:22:30,155 INFO L793 eck$LassoCheckResult]: Loop: 7881#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 7870#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 7871#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 7878#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 7882#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 7872#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 7873#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 7943#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 8109#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8108#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 8107#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8106#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8103#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8037#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 8019#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8018#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8017#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8016#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 8013#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8011#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8009#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8006#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 8007#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8196#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8200#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8142#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 7965#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8031#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 8032#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8026#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 8027#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 8194#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 7881#L513 [2021-12-06 22:22:30,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:30,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1332996188, now seen corresponding path program 3 times [2021-12-06 22:22:30,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:30,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361703181] [2021-12-06 22:22:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:30,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:30,163 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:30,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:30,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:30,170 INFO L85 PathProgramCache]: Analyzing trace with hash 226230161, now seen corresponding path program 5 times [2021-12-06 22:22:30,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:30,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846185351] [2021-12-06 22:22:30,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:30,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:30,177 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:30,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:30,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:30,187 INFO L85 PathProgramCache]: Analyzing trace with hash 273206068, now seen corresponding path program 6 times [2021-12-06 22:22:30,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:30,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983818473] [2021-12-06 22:22:30,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:30,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:30,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Ended with exit code 0 [2021-12-06 22:22:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 63 proven. 202 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:30,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:30,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983818473] [2021-12-06 22:22:30,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983818473] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:30,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588496081] [2021-12-06 22:22:30,423 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 22:22:30,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:30,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:30,423 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:30,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (377)] Waiting until timeout for monitored process [2021-12-06 22:22:30,512 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-12-06 22:22:30,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:30,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 77 conjunts are in the unsatisfiable core [2021-12-06 22:22:30,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:30,641 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-12-06 22:22:30,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 31 [2021-12-06 22:22:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 121 proven. 110 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-06 22:22:30,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:36,100 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:22:36,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 21 [2021-12-06 22:22:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 31 proven. 208 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 22:22:36,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588496081] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:36,140 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:36,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 15] total 43 [2021-12-06 22:22:36,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437410929] [2021-12-06 22:22:36,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:36,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:36,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-12-06 22:22:36,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1682, Unknown=0, NotChecked=0, Total=1806 [2021-12-06 22:22:36,694 INFO L87 Difference]: Start difference. First operand 372 states and 464 transitions. cyclomatic complexity: 108 Second operand has 43 states, 43 states have (on average 2.86046511627907) internal successors, (123), 43 states have internal predecessors, (123), 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) [2021-12-06 22:22:38,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:38,950 INFO L93 Difference]: Finished difference Result 1213 states and 1450 transitions. [2021-12-06 22:22:38,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-12-06 22:22:38,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1213 states and 1450 transitions. [2021-12-06 22:22:38,955 INFO L131 ngComponentsAnalysis]: Automaton has 20 accepting balls. 517 [2021-12-06 22:22:38,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1213 states to 1185 states and 1420 transitions. [2021-12-06 22:22:38,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 993 [2021-12-06 22:22:38,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 993 [2021-12-06 22:22:38,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1185 states and 1420 transitions. [2021-12-06 22:22:38,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:38,961 INFO L681 BuchiCegarLoop]: Abstraction has 1185 states and 1420 transitions. [2021-12-06 22:22:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states and 1420 transitions. [2021-12-06 22:22:38,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 844. [2021-12-06 22:22:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 844 states have (on average 1.2393364928909953) internal successors, (1046), 843 states have internal predecessors, (1046), 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) [2021-12-06 22:22:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1046 transitions. [2021-12-06 22:22:38,975 INFO L704 BuchiCegarLoop]: Abstraction has 844 states and 1046 transitions. [2021-12-06 22:22:38,975 INFO L587 BuchiCegarLoop]: Abstraction has 844 states and 1046 transitions. [2021-12-06 22:22:38,975 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 22:22:38,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 844 states and 1046 transitions. [2021-12-06 22:22:38,977 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 436 [2021-12-06 22:22:38,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:38,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:38,978 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:38,978 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [10, 10, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2] [2021-12-06 22:22:38,978 INFO L791 eck$LassoCheckResult]: Stem: 9983#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9984#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 9990#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 9991#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 9996#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 10046#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10044#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10045#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10072#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10238#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10237#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10040#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10235#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10233#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10229#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10230#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10609#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10607#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10604#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10605#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10635#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10634#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10632#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 10071#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10069#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10070#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10618#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10619#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10586#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 10585#L513 [2021-12-06 22:22:38,978 INFO L793 eck$LassoCheckResult]: Loop: 10585#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 10582#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 10578#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 10577#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 10576#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 10560#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 10556#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 10552#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 10549#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10545#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10543#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10541#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10539#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10536#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 10535#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10534#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10533#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10532#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10305#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10528#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10526#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10522#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10520#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10518#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 10502#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 10681#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 10680#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 10679#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 10678#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 10671#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 10669#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 10644#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 10642#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10639#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10640#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10733#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10732#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10731#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10617#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10729#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10687#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10608#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10606#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10603#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10602#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10599#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10600#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10631#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10630#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10629#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 10498#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10627#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 10459#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10460#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 10614#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 10615#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 10585#L513 [2021-12-06 22:22:38,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:38,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1332996188, now seen corresponding path program 4 times [2021-12-06 22:22:38,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:38,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229042893] [2021-12-06 22:22:38,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:38,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:38,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:38,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:38,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2081086511, now seen corresponding path program 6 times [2021-12-06 22:22:38,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:38,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248429257] [2021-12-06 22:22:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:38,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 76 proven. 114 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:22:39,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:39,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248429257] [2021-12-06 22:22:39,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248429257] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:39,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734460479] [2021-12-06 22:22:39,185 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 22:22:39,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:39,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:39,186 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:39,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (378)] Waiting until timeout for monitored process [2021-12-06 22:22:39,238 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-06 22:22:39,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:39,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 51 conjunts are in the unsatisfiable core [2021-12-06 22:22:39,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:39,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 22:22:39,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-06 22:22:39,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:39,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:22:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-06 22:22:39,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734460479] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:39,582 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:39,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 22 [2021-12-06 22:22:39,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132188440] [2021-12-06 22:22:39,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:39,583 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:39,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 22:22:39,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2021-12-06 22:22:39,584 INFO L87 Difference]: Start difference. First operand 844 states and 1046 transitions. cyclomatic complexity: 230 Second operand has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 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) [2021-12-06 22:22:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:40,402 INFO L93 Difference]: Finished difference Result 1002 states and 1194 transitions. [2021-12-06 22:22:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 22:22:40,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1002 states and 1194 transitions. [2021-12-06 22:22:40,407 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 328 [2021-12-06 22:22:40,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1002 states to 654 states and 813 transitions. [2021-12-06 22:22:40,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 482 [2021-12-06 22:22:40,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 482 [2021-12-06 22:22:40,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 654 states and 813 transitions. [2021-12-06 22:22:40,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:40,413 INFO L681 BuchiCegarLoop]: Abstraction has 654 states and 813 transitions. [2021-12-06 22:22:40,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states and 813 transitions. [2021-12-06 22:22:40,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 568. [2021-12-06 22:22:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 568 states have (on average 1.2517605633802817) internal successors, (711), 567 states have internal predecessors, (711), 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) [2021-12-06 22:22:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 711 transitions. [2021-12-06 22:22:40,426 INFO L704 BuchiCegarLoop]: Abstraction has 568 states and 711 transitions. [2021-12-06 22:22:40,426 INFO L587 BuchiCegarLoop]: Abstraction has 568 states and 711 transitions. [2021-12-06 22:22:40,426 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-06 22:22:40,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 568 states and 711 transitions. [2021-12-06 22:22:40,428 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 276 [2021-12-06 22:22:40,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:40,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:40,429 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 5, 4, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:40,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 13, 11, 10, 4, 3, 2, 2, 2, 2, 2, 2, 2] [2021-12-06 22:22:40,429 INFO L791 eck$LassoCheckResult]: Stem: 12228#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12229#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12234#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 12235#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 12242#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 12300#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12298#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12299#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12325#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12324#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12232#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 12233#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12500#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12498#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12496#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12290#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12695#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12694#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12692#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12693#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12787#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12785#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12321#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 12320#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12318#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12319#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12763#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12764#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12750#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 12749#L513 [2021-12-06 22:22:40,429 INFO L793 eck$LassoCheckResult]: Loop: 12749#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 12748#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 12747#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 12746#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 12745#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 12323#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 12247#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 12304#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 12733#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12732#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12731#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12730#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12729#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12728#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12726#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12724#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12722#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12721#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12519#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12719#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12707#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12708#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 12698#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12699#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12686#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12681#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12679#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12680#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12236#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12237#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 12660#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12761#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12762#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12715#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12716#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12778#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 12252#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 12240#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 12241#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 12250#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 12337#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 12338#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 12734#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 12257#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 12258#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12792#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12791#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12790#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12789#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12788#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12786#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12783#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12727#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12725#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12723#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12720#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12718#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12700#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12701#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12784#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12782#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12773#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 12772#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12765#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 12757#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12758#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 12759#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 12760#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 12749#L513 [2021-12-06 22:22:40,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:40,430 INFO L85 PathProgramCache]: Analyzing trace with hash 355947554, now seen corresponding path program 5 times [2021-12-06 22:22:40,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:40,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45373605] [2021-12-06 22:22:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:40,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:40,439 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:40,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:40,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:40,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1153596723, now seen corresponding path program 7 times [2021-12-06 22:22:40,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:40,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014532431] [2021-12-06 22:22:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:40,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 80 proven. 244 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:22:40,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:40,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014532431] [2021-12-06 22:22:40,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014532431] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:40,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976274935] [2021-12-06 22:22:40,760 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 22:22:40,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:40,760 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:40,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (379)] Waiting until timeout for monitored process [2021-12-06 22:22:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:40,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 102 conjunts are in the unsatisfiable core [2021-12-06 22:22:40,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:41,321 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-12-06 22:22:41,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 33 [2021-12-06 22:22:41,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-12-06 22:22:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 80 proven. 242 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:22:41,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:42,040 INFO L354 Elim1Store]: treesize reduction 12, result has 69.2 percent of original size [2021-12-06 22:22:42,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 73 [2021-12-06 22:22:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 80 proven. 242 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:22:42,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976274935] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:42,346 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:42,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 59 [2021-12-06 22:22:42,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246310232] [2021-12-06 22:22:42,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:42,347 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:22:42,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:42,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-12-06 22:22:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=3219, Unknown=0, NotChecked=0, Total=3422 [2021-12-06 22:22:42,348 INFO L87 Difference]: Start difference. First operand 568 states and 711 transitions. cyclomatic complexity: 164 Second operand has 59 states, 59 states have (on average 2.6271186440677967) internal successors, (155), 59 states have internal predecessors, (155), 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) [2021-12-06 22:22:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:48,588 INFO L93 Difference]: Finished difference Result 1441 states and 1764 transitions. [2021-12-06 22:22:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-12-06 22:22:48,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1441 states and 1764 transitions. [2021-12-06 22:22:48,593 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 896 [2021-12-06 22:22:48,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1441 states to 1441 states and 1764 transitions. [2021-12-06 22:22:48,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1226 [2021-12-06 22:22:48,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1226 [2021-12-06 22:22:48,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1441 states and 1764 transitions. [2021-12-06 22:22:48,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:48,601 INFO L681 BuchiCegarLoop]: Abstraction has 1441 states and 1764 transitions. [2021-12-06 22:22:48,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states and 1764 transitions. [2021-12-06 22:22:48,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 823. [2021-12-06 22:22:48,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 823 states have (on average 1.2588092345078978) internal successors, (1036), 822 states have internal predecessors, (1036), 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) [2021-12-06 22:22:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1036 transitions. [2021-12-06 22:22:48,616 INFO L704 BuchiCegarLoop]: Abstraction has 823 states and 1036 transitions. [2021-12-06 22:22:48,616 INFO L587 BuchiCegarLoop]: Abstraction has 823 states and 1036 transitions. [2021-12-06 22:22:48,616 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-06 22:22:48,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 823 states and 1036 transitions. [2021-12-06 22:22:48,617 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 492 [2021-12-06 22:22:48,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:48,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:48,618 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 5, 4, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:48,618 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 6, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:48,618 INFO L791 eck$LassoCheckResult]: Stem: 14896#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 14897#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 14902#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 14903#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 14909#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 14970#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 14968#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 14969#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 14990#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 14989#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 14900#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 14901#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15071#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15070#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15069#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 14960#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15645#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15644#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15642#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15643#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15675#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15673#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15672#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 15670#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15669#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15637#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 14987#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15520#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15006#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 15005#L513 [2021-12-06 22:22:48,618 INFO L793 eck$LassoCheckResult]: Loop: 15005#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 15004#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 15003#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 15002#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 14997#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 14991#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 14914#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 14927#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 14928#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15715#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15714#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15713#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15712#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15711#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15574#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15710#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15709#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15708#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15077#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15707#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15706#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15698#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 15697#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15696#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15695#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15559#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15555#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15556#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15703#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15515#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 15485#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15514#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 15513#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15510#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 15511#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 15701#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 15005#L513 [2021-12-06 22:22:48,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:48,618 INFO L85 PathProgramCache]: Analyzing trace with hash 355947554, now seen corresponding path program 6 times [2021-12-06 22:22:48,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:48,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286797475] [2021-12-06 22:22:48,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:48,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:48,625 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:48,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:48,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:48,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1859905861, now seen corresponding path program 8 times [2021-12-06 22:22:48,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:48,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407978054] [2021-12-06 22:22:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:48,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:48,639 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:48,648 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:48,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:48,648 INFO L85 PathProgramCache]: Analyzing trace with hash 820227676, now seen corresponding path program 7 times [2021-12-06 22:22:48,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:48,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71714564] [2021-12-06 22:22:48,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:48,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 89 proven. 222 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:22:48,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:48,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71714564] [2021-12-06 22:22:48,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71714564] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:48,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333363628] [2021-12-06 22:22:48,838 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 22:22:48,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:48,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:48,838 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:48,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (380)] Waiting until timeout for monitored process [2021-12-06 22:22:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:48,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 81 conjunts are in the unsatisfiable core [2021-12-06 22:22:48,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:49,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:22:49,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 89 proven. 220 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:22:49,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:49,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:22:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 89 proven. 220 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:22:49,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333363628] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:49,207 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:49,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 30 [2021-12-06 22:22:49,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066719927] [2021-12-06 22:22:49,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:49,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:49,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-06 22:22:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-12-06 22:22:49,855 INFO L87 Difference]: Start difference. First operand 823 states and 1036 transitions. cyclomatic complexity: 238 Second operand has 30 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 30 states have internal predecessors, (101), 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) [2021-12-06 22:22:50,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:50,614 INFO L93 Difference]: Finished difference Result 1167 states and 1428 transitions. [2021-12-06 22:22:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-06 22:22:50,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1167 states and 1428 transitions. [2021-12-06 22:22:50,618 INFO L131 ngComponentsAnalysis]: Automaton has 17 accepting balls. 555 [2021-12-06 22:22:50,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1167 states to 1137 states and 1393 transitions. [2021-12-06 22:22:50,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 953 [2021-12-06 22:22:50,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 953 [2021-12-06 22:22:50,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1137 states and 1393 transitions. [2021-12-06 22:22:50,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:50,625 INFO L681 BuchiCegarLoop]: Abstraction has 1137 states and 1393 transitions. [2021-12-06 22:22:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states and 1393 transitions. [2021-12-06 22:22:50,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 949. [2021-12-06 22:22:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 949 states have (on average 1.2486828240252899) internal successors, (1185), 948 states have internal predecessors, (1185), 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) [2021-12-06 22:22:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1185 transitions. [2021-12-06 22:22:50,637 INFO L704 BuchiCegarLoop]: Abstraction has 949 states and 1185 transitions. [2021-12-06 22:22:50,637 INFO L587 BuchiCegarLoop]: Abstraction has 949 states and 1185 transitions. [2021-12-06 22:22:50,637 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-12-06 22:22:50,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 949 states and 1185 transitions. [2021-12-06 22:22:50,639 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 523 [2021-12-06 22:22:50,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:50,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:50,640 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 6, 5, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:50,640 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:50,640 INFO L791 eck$LassoCheckResult]: Stem: 17339#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 17340#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 17345#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 17346#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 17353#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 17409#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17407#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 17408#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17433#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 17432#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17343#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 17344#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17761#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 17760#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17759#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 17399#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18088#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18087#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18085#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18086#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18286#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18285#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18283#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 17365#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17366#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 17349#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17350#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 17417#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17431#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 17427#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17428#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18128#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17434#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 17435#L513 [2021-12-06 22:22:50,640 INFO L793 eck$LassoCheckResult]: Loop: 17435#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 18226#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 18225#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 18224#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 18223#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 18116#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 17375#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 17372#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 17373#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18114#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18113#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18112#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18111#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18109#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18110#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18105#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18106#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18101#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18102#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18098#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18099#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18093#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18094#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18133#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18134#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17341#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 17342#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17364#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 18136#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18277#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 18123#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17361#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 17347#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 17348#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 18251#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 18280#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 17435#L513 [2021-12-06 22:22:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:50,640 INFO L85 PathProgramCache]: Analyzing trace with hash 57854924, now seen corresponding path program 7 times [2021-12-06 22:22:50,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:50,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454751287] [2021-12-06 22:22:50,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:50,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:50,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:50,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:50,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:50,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1155197757, now seen corresponding path program 9 times [2021-12-06 22:22:50,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:50,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888453856] [2021-12-06 22:22:50,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:50,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:50,671 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:50,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:50,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:50,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1575424632, now seen corresponding path program 8 times [2021-12-06 22:22:50,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:50,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676638231] [2021-12-06 22:22:50,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:50,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 53 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:22:50,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:50,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676638231] [2021-12-06 22:22:50,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676638231] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:50,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268924273] [2021-12-06 22:22:50,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:22:50,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:50,940 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:50,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (381)] Waiting until timeout for monitored process [2021-12-06 22:22:51,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:22:51,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:51,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 91 conjunts are in the unsatisfiable core [2021-12-06 22:22:51,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:51,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:22:51,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 53 proven. 312 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:51,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:51,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:22:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 53 proven. 312 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:51,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268924273] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:51,401 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:51,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 33 [2021-12-06 22:22:51,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869861230] [2021-12-06 22:22:51,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:52,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:52,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-12-06 22:22:52,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=966, Unknown=0, NotChecked=0, Total=1056 [2021-12-06 22:22:52,104 INFO L87 Difference]: Start difference. First operand 949 states and 1185 transitions. cyclomatic complexity: 264 Second operand has 33 states, 33 states have (on average 3.3636363636363638) internal successors, (111), 33 states have internal predecessors, (111), 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) [2021-12-06 22:22:53,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:22:53,109 INFO L93 Difference]: Finished difference Result 1880 states and 2281 transitions. [2021-12-06 22:22:53,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-06 22:22:53,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1880 states and 2281 transitions. [2021-12-06 22:22:53,115 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 677 [2021-12-06 22:22:53,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1880 states to 1838 states and 2226 transitions. [2021-12-06 22:22:53,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1588 [2021-12-06 22:22:53,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1588 [2021-12-06 22:22:53,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1838 states and 2226 transitions. [2021-12-06 22:22:53,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:22:53,125 INFO L681 BuchiCegarLoop]: Abstraction has 1838 states and 2226 transitions. [2021-12-06 22:22:53,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states and 2226 transitions. [2021-12-06 22:22:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1358. [2021-12-06 22:22:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1358 states, 1358 states have (on average 1.2474226804123711) internal successors, (1694), 1357 states have internal predecessors, (1694), 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) [2021-12-06 22:22:53,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1694 transitions. [2021-12-06 22:22:53,145 INFO L704 BuchiCegarLoop]: Abstraction has 1358 states and 1694 transitions. [2021-12-06 22:22:53,145 INFO L587 BuchiCegarLoop]: Abstraction has 1358 states and 1694 transitions. [2021-12-06 22:22:53,145 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-12-06 22:22:53,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1358 states and 1694 transitions. [2021-12-06 22:22:53,148 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 609 [2021-12-06 22:22:53,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:22:53,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:22:53,148 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 7, 6, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:53,148 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [8, 8, 7, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:22:53,149 INFO L791 eck$LassoCheckResult]: Stem: 20652#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 20653#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 20658#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 20659#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 20665#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 20719#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20717#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 20718#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20742#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 20741#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20656#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 20657#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20814#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 20813#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20812#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 20709#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21697#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21696#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21694#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21695#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21806#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21805#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21803#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21804#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 22002#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 22000#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21998#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 20677#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20678#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 20661#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 20662#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 20740#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21934#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21935#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21990#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21988#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21984#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 21983#L513 [2021-12-06 22:22:53,149 INFO L793 eck$LassoCheckResult]: Loop: 21983#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 21982#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 21981#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 21980#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 21979#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 21978#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 21875#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 21869#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 21977#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21976#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21975#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21974#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21973#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21972#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21840#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21971#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21970#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21969#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21968#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21967#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21966#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21964#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 21963#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21962#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21961#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21960#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21823#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21958#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21959#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21946#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21947#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21955#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21953#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21954#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 21909#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21993#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 21992#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21926#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 21927#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 21985#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 21983#L513 [2021-12-06 22:22:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:53,149 INFO L85 PathProgramCache]: Analyzing trace with hash -227123594, now seen corresponding path program 8 times [2021-12-06 22:22:53,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:53,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146482297] [2021-12-06 22:22:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:53,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:53,159 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:53,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:53,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1603967461, now seen corresponding path program 10 times [2021-12-06 22:22:53,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:53,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461016206] [2021-12-06 22:22:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:53,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:53,182 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:22:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:22:53,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:22:53,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:22:53,194 INFO L85 PathProgramCache]: Analyzing trace with hash 957259610, now seen corresponding path program 9 times [2021-12-06 22:22:53,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:22:53,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285786222] [2021-12-06 22:22:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:22:53,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:22:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:22:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 87 proven. 394 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:22:53,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:22:53,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285786222] [2021-12-06 22:22:53,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285786222] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:22:53,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502880477] [2021-12-06 22:22:53,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:22:53,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:22:53,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:22:53,499 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:22:53,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (382)] Waiting until timeout for monitored process [2021-12-06 22:22:53,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-12-06 22:22:53,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:22:53,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 89 conjunts are in the unsatisfiable core [2021-12-06 22:22:53,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:22:53,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:22:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:22:54,106 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:22:54,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 26 [2021-12-06 22:22:54,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:22:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 277 proven. 123 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-06 22:22:54,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:22:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 262 proven. 133 refuted. 4 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-06 22:22:57,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502880477] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:22:57,261 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:22:57,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 19] total 61 [2021-12-06 22:22:57,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100062044] [2021-12-06 22:22:57,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:22:57,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:22:57,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-12-06 22:22:57,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=3366, Unknown=1, NotChecked=0, Total=3660 [2021-12-06 22:22:57,990 INFO L87 Difference]: Start difference. First operand 1358 states and 1694 transitions. cyclomatic complexity: 373 Second operand has 61 states, 61 states have (on average 2.622950819672131) internal successors, (160), 61 states have internal predecessors, (160), 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) [2021-12-06 22:23:12,662 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|))) (and (= |c_ULTIMATE.start_dirname_~path#1.offset| |c_ULTIMATE.start_strrchr_~t#1.offset|) (forall ((|ULTIMATE.start_strrchr_~t#1.base| Int)) (let ((.cse0 (select (select |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset|))) (or (< |c_ULTIMATE.start_strrchr_~ch~0#1| .cse0) (< .cse0 47) (forall ((v_ArrVal_330 Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset| v_ArrVal_330)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47))))) (<= 0 |c_ULTIMATE.start_strrchr_~t#1.offset|) (= |c_ULTIMATE.start_strrchr_~t#1.offset| 0) (= |c_ULTIMATE.start_strrchr_~ch~0#1| (select (select |c_#memory_int| |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1))) (or (< (select .cse1 |c_ULTIMATE.start_strrchr_~t#1.offset|) 47) (forall ((v_ArrVal_330 Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset| v_ArrVal_330)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47)) (< |c_ULTIMATE.start_strrchr_~ch~0#1| |c_ULTIMATE.start_strrchr_#t~mem2#1|)) (= |c_ULTIMATE.start_dirname_~path#1.offset| 0) (= |c_ULTIMATE.start_strrchr_~t#1.base| |c_ULTIMATE.start_dirname_~path#1.base|) (= |c_ULTIMATE.start_strrchr_~ch~0#1| 47) (= 47 (select .cse1 1)))) is different from false [2021-12-06 22:23:26,467 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|))) (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_dirname_~c~0#1.base|) 6) 0) (= |c_ULTIMATE.start_dirname_~path#1.offset| |c_ULTIMATE.start_strrchr_~t#1.offset|) (forall ((|ULTIMATE.start_strrchr_~t#1.base| Int)) (let ((.cse0 (select (select |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset|))) (or (< |c_ULTIMATE.start_strrchr_~ch~0#1| .cse0) (< .cse0 47) (forall ((v_ArrVal_330 Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset| v_ArrVal_330)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47))))) (<= 0 |c_ULTIMATE.start_strrchr_~t#1.offset|) (= |c_ULTIMATE.start_dirname_~c~0#1.base| |c_ULTIMATE.start_dirname_~path#1.base|) (= |c_ULTIMATE.start_strrchr_~t#1.offset| 0) (= |c_ULTIMATE.start_strrchr_~ch~0#1| (select (select |c_#memory_int| |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1))) (or (< (select .cse1 |c_ULTIMATE.start_strrchr_~t#1.offset|) 47) (forall ((v_ArrVal_330 Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset| v_ArrVal_330)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47)) (< |c_ULTIMATE.start_strrchr_~ch~0#1| |c_ULTIMATE.start_strrchr_#t~mem2#1|)) (= |c_ULTIMATE.start_dirname_~path#1.offset| 0) (= (select .cse1 6) 0) (= |c_ULTIMATE.start_strrchr_~t#1.base| |c_ULTIMATE.start_dirname_~path#1.base|) (= |c_ULTIMATE.start_strrchr_~ch~0#1| 47) (= 47 (select .cse1 1)))) is different from false [2021-12-06 22:23:38,676 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_dirname_~path#1.base|)) (.cse2 (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|))) (and (= |c_ULTIMATE.start_dirname_~path#1.offset| |c_ULTIMATE.start_strrchr_~t#1.offset|) (forall ((|ULTIMATE.start_strrchr_~t#1.base| Int)) (let ((.cse0 (select (select |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset|))) (or (< |c_ULTIMATE.start_strrchr_~ch~0#1| .cse0) (< .cse0 47) (forall ((v_ArrVal_330 Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset| v_ArrVal_330)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47))))) (<= 0 |c_ULTIMATE.start_strrchr_~t#1.offset|) (= (select .cse1 6) 0) (= |c_ULTIMATE.start_strrchr_~t#1.offset| 0) (= |c_ULTIMATE.start_strrchr_~ch~0#1| (select .cse1 (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1))) (or (< (select .cse2 |c_ULTIMATE.start_strrchr_~t#1.offset|) 47) (forall ((v_ArrVal_330 Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|) |c_ULTIMATE.start_strrchr_~t#1.offset| v_ArrVal_330)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47)) (< |c_ULTIMATE.start_strrchr_~ch~0#1| |c_ULTIMATE.start_strrchr_#t~mem2#1|)) (= |c_ULTIMATE.start_dirname_~path#1.offset| 0) (= (select .cse2 6) 0) (= |c_ULTIMATE.start_strrchr_~t#1.base| |c_ULTIMATE.start_dirname_~path#1.base|) (= |c_ULTIMATE.start_strrchr_~ch~0#1| 47) (= 47 (select .cse2 1)))) is different from false [2021-12-06 22:23:50,960 WARN L227 SmtUtils]: Spent 12.08s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:25:11,883 WARN L227 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 69 DAG size of output: 59 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:25:38,455 WARN L227 SmtUtils]: Spent 12.38s on a formula simplification. DAG size of input: 76 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:25:56,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:56,619 INFO L93 Difference]: Finished difference Result 11031 states and 13409 transitions. [2021-12-06 22:25:56,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2021-12-06 22:25:56,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11031 states and 13409 transitions. [2021-12-06 22:25:56,661 INFO L131 ngComponentsAnalysis]: Automaton has 137 accepting balls. 5448 [2021-12-06 22:25:56,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11031 states to 11031 states and 13409 transitions. [2021-12-06 22:25:56,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10329 [2021-12-06 22:25:56,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10329 [2021-12-06 22:25:56,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11031 states and 13409 transitions. [2021-12-06 22:25:56,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:25:56,716 INFO L681 BuchiCegarLoop]: Abstraction has 11031 states and 13409 transitions. [2021-12-06 22:25:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11031 states and 13409 transitions. [2021-12-06 22:25:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11031 to 5759. [2021-12-06 22:25:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5759 states, 5759 states have (on average 1.2602882444868901) internal successors, (7258), 5758 states have internal predecessors, (7258), 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) [2021-12-06 22:25:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5759 states to 5759 states and 7258 transitions. [2021-12-06 22:25:56,835 INFO L704 BuchiCegarLoop]: Abstraction has 5759 states and 7258 transitions. [2021-12-06 22:25:56,835 INFO L587 BuchiCegarLoop]: Abstraction has 5759 states and 7258 transitions. [2021-12-06 22:25:56,835 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-12-06 22:25:56,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5759 states and 7258 transitions. [2021-12-06 22:25:56,845 INFO L131 ngComponentsAnalysis]: Automaton has 51 accepting balls. 3403 [2021-12-06 22:25:56,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:25:56,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:25:56,846 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:56,846 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [9, 9, 8, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:56,846 INFO L791 eck$LassoCheckResult]: Stem: 34078#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 34079#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 34085#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 34086#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 34092#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 34143#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 34141#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 34142#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 34170#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 34089#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 34082#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 34083#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 34255#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 34251#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 34252#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 34777#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 38053#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 38054#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 38049#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 38050#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 38636#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 38635#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 38634#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 38633#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 38997#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 38994#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 38992#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 38993#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39268#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39267#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39265#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 39264#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 34165#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 34166#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39177#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 39274#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39259#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 39255#L513 [2021-12-06 22:25:56,846 INFO L793 eck$LassoCheckResult]: Loop: 39255#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 39253#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 39251#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 39249#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 39247#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 39245#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 39244#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 38664#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 39243#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39242#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 39241#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39240#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39239#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39237#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 38556#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39236#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39235#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39234#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 39233#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39232#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39231#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39229#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 39230#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39408#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39409#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39402#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 39401#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39400#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39399#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39397#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 39396#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39395#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39394#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39393#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 39384#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39379#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39355#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39356#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 39115#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39293#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 39292#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39291#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 39270#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 39271#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 39255#L513 [2021-12-06 22:25:56,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:56,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1696104440, now seen corresponding path program 9 times [2021-12-06 22:25:56,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:56,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315585779] [2021-12-06 22:25:56,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:56,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:25:56,853 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:25:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:25:56,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:25:56,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:56,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2018466931, now seen corresponding path program 11 times [2021-12-06 22:25:56,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:56,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621864483] [2021-12-06 22:25:56,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:56,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:25:56,869 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:25:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:25:56,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:25:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:56,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1704833788, now seen corresponding path program 10 times [2021-12-06 22:25:56,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:56,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471275614] [2021-12-06 22:25:56,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:56,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 121 proven. 422 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:25:57,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:57,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471275614] [2021-12-06 22:25:57,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471275614] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:25:57,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936565942] [2021-12-06 22:25:57,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:25:57,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:25:57,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:25:57,430 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:25:57,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (383)] Waiting until timeout for monitored process [2021-12-06 22:25:57,516 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:25:57,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:25:57,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 95 conjunts are in the unsatisfiable core [2021-12-06 22:25:57,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:25:58,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:25:58,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:25:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 121 proven. 420 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:25:58,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:25:58,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:25:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 121 proven. 420 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:25:58,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936565942] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:25:58,362 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:25:58,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 21] total 36 [2021-12-06 22:25:58,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584282760] [2021-12-06 22:25:58,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:25:59,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:59,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-12-06 22:25:59,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1162, Unknown=0, NotChecked=0, Total=1260 [2021-12-06 22:25:59,551 INFO L87 Difference]: Start difference. First operand 5759 states and 7258 transitions. cyclomatic complexity: 1610 Second operand has 36 states, 36 states have (on average 3.4722222222222223) internal successors, (125), 36 states have internal predecessors, (125), 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) [2021-12-06 22:26:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:02,715 INFO L93 Difference]: Finished difference Result 9284 states and 11267 transitions. [2021-12-06 22:26:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-06 22:26:02,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9284 states and 11267 transitions. [2021-12-06 22:26:02,744 INFO L131 ngComponentsAnalysis]: Automaton has 123 accepting balls. 2704 [2021-12-06 22:26:02,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9284 states to 9108 states and 11074 transitions. [2021-12-06 22:26:02,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8442 [2021-12-06 22:26:02,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8442 [2021-12-06 22:26:02,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9108 states and 11074 transitions. [2021-12-06 22:26:02,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:26:02,779 INFO L681 BuchiCegarLoop]: Abstraction has 9108 states and 11074 transitions. [2021-12-06 22:26:02,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9108 states and 11074 transitions. [2021-12-06 22:26:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9108 to 6477. [2021-12-06 22:26:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6477 states, 6477 states have (on average 1.2525860737995986) internal successors, (8113), 6476 states have internal predecessors, (8113), 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) [2021-12-06 22:26:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6477 states to 6477 states and 8113 transitions. [2021-12-06 22:26:02,862 INFO L704 BuchiCegarLoop]: Abstraction has 6477 states and 8113 transitions. [2021-12-06 22:26:02,862 INFO L587 BuchiCegarLoop]: Abstraction has 6477 states and 8113 transitions. [2021-12-06 22:26:02,862 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-12-06 22:26:02,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6477 states and 8113 transitions. [2021-12-06 22:26:02,874 INFO L131 ngComponentsAnalysis]: Automaton has 79 accepting balls. 2502 [2021-12-06 22:26:02,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:26:02,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:26:02,874 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:02,874 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [9, 9, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:02,875 INFO L791 eck$LassoCheckResult]: Stem: 49684#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 49685#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 49691#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 49692#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 49698#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 49757#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 49755#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 49756#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 49792#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 49695#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 49688#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 49689#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 50560#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 50559#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 50557#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 50558#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54175#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54171#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54172#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54341#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54817#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54814#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54811#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54812#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55013#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 55012#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55008#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 55006#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55002#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 55001#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55000#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 49708#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 49709#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 49790#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 49791#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 54911#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54921#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54922#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54919#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54920#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54885#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 54880#L513 [2021-12-06 22:26:02,875 INFO L793 eck$LassoCheckResult]: Loop: 54880#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 54874#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 54868#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 54862#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 54856#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 54850#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 54845#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 54843#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 54841#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54838#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54836#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54834#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54831#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54828#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54553#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55061#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 55062#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55040#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 55041#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55036#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 55037#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55030#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 55031#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55022#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 55023#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55005#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54996#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54979#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54977#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54974#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54972#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54970#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54968#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54966#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54967#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55192#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 55193#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 55194#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 54739#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54955#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 54947#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54942#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 54915#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 54916#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 54880#L513 [2021-12-06 22:26:02,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:02,875 INFO L85 PathProgramCache]: Analyzing trace with hash -460448606, now seen corresponding path program 10 times [2021-12-06 22:26:02,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:02,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500049024] [2021-12-06 22:26:02,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:02,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:02,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:26:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:02,890 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:26:02,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:02,891 INFO L85 PathProgramCache]: Analyzing trace with hash -808801647, now seen corresponding path program 12 times [2021-12-06 22:26:02,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:02,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943886379] [2021-12-06 22:26:02,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:02,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:02,898 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:26:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:02,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:26:02,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:02,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1807292850, now seen corresponding path program 11 times [2021-12-06 22:26:02,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:02,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598217029] [2021-12-06 22:26:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:02,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 69 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:26:03,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:03,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598217029] [2021-12-06 22:26:03,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598217029] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:26:03,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228881677] [2021-12-06 22:26:03,622 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 22:26:03,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:03,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:03,631 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:03,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (384)] Waiting until timeout for monitored process [2021-12-06 22:26:03,709 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-12-06 22:26:03,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:26:03,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 97 conjunts are in the unsatisfiable core [2021-12-06 22:26:03,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:04,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:26:04,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:26:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 69 proven. 544 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:26:04,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:04,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:26:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 69 proven. 544 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:26:04,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228881677] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:26:04,598 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:26:04,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23, 23] total 39 [2021-12-06 22:26:04,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573434637] [2021-12-06 22:26:04,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:26:05,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:05,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-12-06 22:26:05,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1376, Unknown=0, NotChecked=0, Total=1482 [2021-12-06 22:26:05,771 INFO L87 Difference]: Start difference. First operand 6477 states and 8113 transitions. cyclomatic complexity: 1775 Second operand has 39 states, 39 states have (on average 3.4615384615384617) internal successors, (135), 39 states have internal predecessors, (135), 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) [2021-12-06 22:26:09,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:09,635 INFO L93 Difference]: Finished difference Result 15645 states and 19002 transitions. [2021-12-06 22:26:09,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-06 22:26:09,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15645 states and 19002 transitions. [2021-12-06 22:26:09,688 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 3480 [2021-12-06 22:26:09,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15645 states to 15437 states and 18717 transitions. [2021-12-06 22:26:09,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14493 [2021-12-06 22:26:09,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14493 [2021-12-06 22:26:09,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15437 states and 18717 transitions. [2021-12-06 22:26:09,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:26:09,748 INFO L681 BuchiCegarLoop]: Abstraction has 15437 states and 18717 transitions. [2021-12-06 22:26:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15437 states and 18717 transitions. [2021-12-06 22:26:09,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15437 to 9726. [2021-12-06 22:26:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9726 states, 9726 states have (on average 1.2574542463499898) internal successors, (12230), 9725 states have internal predecessors, (12230), 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) [2021-12-06 22:26:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9726 states to 9726 states and 12230 transitions. [2021-12-06 22:26:09,869 INFO L704 BuchiCegarLoop]: Abstraction has 9726 states and 12230 transitions. [2021-12-06 22:26:09,869 INFO L587 BuchiCegarLoop]: Abstraction has 9726 states and 12230 transitions. [2021-12-06 22:26:09,869 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-12-06 22:26:09,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9726 states and 12230 transitions. [2021-12-06 22:26:09,901 INFO L131 ngComponentsAnalysis]: Automaton has 108 accepting balls. 3110 [2021-12-06 22:26:09,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:26:09,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:26:09,902 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:09,902 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [10, 10, 9, 7, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:09,902 INFO L791 eck$LassoCheckResult]: Stem: 72400#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 72401#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 72407#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 72408#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 72413#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 72473#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 72471#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 72472#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 72507#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 72410#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 72404#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 72405#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 72589#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 72590#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 72584#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 72585#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79148#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79149#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79143#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79144#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79741#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79740#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79738#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79739#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79885#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79883#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79881#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79876#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79873#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79870#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79851#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79852#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80806#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80037#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80038#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79300#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79301#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79296#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79297#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 72483#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 72499#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 72500#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79988#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79983#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79961#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 79957#L513 [2021-12-06 22:26:09,902 INFO L793 eck$LassoCheckResult]: Loop: 79957#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 79953#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 79949#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 79945#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 79941#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 79937#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 79933#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 79747#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 79931#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79929#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79926#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79924#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79922#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79919#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79920#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80253#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80251#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80249#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 80247#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80245#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80243#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80240#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 80237#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80233#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80229#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80213#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 80210#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80189#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80185#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80181#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 80177#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80178#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80172#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80173#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 80162#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80163#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80149#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80150#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 80489#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80484#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 80486#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 80491#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 79778#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79990#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 79989#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79986#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 79987#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 79999#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 79957#L513 [2021-12-06 22:26:09,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:09,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1093751884, now seen corresponding path program 11 times [2021-12-06 22:26:09,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:09,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831010836] [2021-12-06 22:26:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:09,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:09,915 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:26:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:09,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:26:09,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:09,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1350845769, now seen corresponding path program 13 times [2021-12-06 22:26:09,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:09,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022602637] [2021-12-06 22:26:09,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:09,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:09,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:26:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:09,963 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:26:09,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:09,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1854221570, now seen corresponding path program 12 times [2021-12-06 22:26:09,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:09,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38327569] [2021-12-06 22:26:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:09,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 111 proven. 650 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:26:10,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:10,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38327569] [2021-12-06 22:26:10,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38327569] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:26:10,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449075421] [2021-12-06 22:26:10,771 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 22:26:10,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:10,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:10,772 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:10,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (385)] Waiting until timeout for monitored process [2021-12-06 22:26:10,944 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-12-06 22:26:10,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:26:10,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 121 conjunts are in the unsatisfiable core [2021-12-06 22:26:10,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:11,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:26:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 111 proven. 648 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:26:12,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:13,905 INFO L354 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2021-12-06 22:26:13,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 63 [2021-12-06 22:26:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 26 proven. 735 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:26:14,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449075421] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:26:14,133 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:26:14,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 25, 28] total 69 [2021-12-06 22:26:14,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297477183] [2021-12-06 22:26:14,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:26:15,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-12-06 22:26:15,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=4494, Unknown=0, NotChecked=0, Total=4692 [2021-12-06 22:26:15,408 INFO L87 Difference]: Start difference. First operand 9726 states and 12230 transitions. cyclomatic complexity: 2692 Second operand has 69 states, 69 states have (on average 3.1884057971014492) internal successors, (220), 69 states have internal predecessors, (220), 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) [2021-12-06 22:26:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:22,992 INFO L93 Difference]: Finished difference Result 19153 states and 23442 transitions. [2021-12-06 22:26:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-12-06 22:26:22,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19153 states and 23442 transitions. [2021-12-06 22:26:23,037 INFO L131 ngComponentsAnalysis]: Automaton has 225 accepting balls. 6428 [2021-12-06 22:26:23,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19153 states to 19153 states and 23442 transitions. [2021-12-06 22:26:23,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17855 [2021-12-06 22:26:23,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17855 [2021-12-06 22:26:23,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19153 states and 23442 transitions. [2021-12-06 22:26:23,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:26:23,090 INFO L681 BuchiCegarLoop]: Abstraction has 19153 states and 23442 transitions. [2021-12-06 22:26:23,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19153 states and 23442 transitions. [2021-12-06 22:26:23,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19153 to 13340. [2021-12-06 22:26:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13340 states, 13340 states have (on average 1.264167916041979) internal successors, (16864), 13339 states have internal predecessors, (16864), 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) [2021-12-06 22:26:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13340 states to 13340 states and 16864 transitions. [2021-12-06 22:26:23,272 INFO L704 BuchiCegarLoop]: Abstraction has 13340 states and 16864 transitions. [2021-12-06 22:26:23,272 INFO L587 BuchiCegarLoop]: Abstraction has 13340 states and 16864 transitions. [2021-12-06 22:26:23,272 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-12-06 22:26:23,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13340 states and 16864 transitions. [2021-12-06 22:26:23,300 INFO L131 ngComponentsAnalysis]: Automaton has 126 accepting balls. 5318 [2021-12-06 22:26:23,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:26:23,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:26:23,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:23,301 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [10, 10, 9, 7, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:23,301 INFO L791 eck$LassoCheckResult]: Stem: 102000#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 102001#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 102007#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 102008#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 102013#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 102076#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 102074#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 102075#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 102111#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 102010#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 102004#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 102005#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 102193#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 102194#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 102188#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 102189#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111179#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 111180#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111174#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 111175#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112000#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 111999#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111998#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 111997#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111996#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 111995#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111994#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 111992#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111990#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 111988#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 111984#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 111985#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 113426#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112314#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112315#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 113428#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 113427#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112842#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112021#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 112020#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112007#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112008#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112316#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112317#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112293#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 112292#L513 [2021-12-06 22:26:23,301 INFO L793 eck$LassoCheckResult]: Loop: 112292#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 112291#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 112290#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 112289#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 112288#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 112287#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 112286#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 112285#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 112284#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112283#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112282#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112281#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112280#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112278#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112277#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112276#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112275#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112274#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112272#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112270#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112268#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112266#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 112265#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112264#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112263#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112262#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112134#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112260#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112259#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112257#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112258#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112254#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112255#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112247#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 112249#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112240#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112241#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112234#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112235#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112423#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112386#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112387#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 112321#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112319#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 112312#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112313#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 112310#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 112311#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 112292#L513 [2021-12-06 22:26:23,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1093751884, now seen corresponding path program 12 times [2021-12-06 22:26:23,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:23,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825377562] [2021-12-06 22:26:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:23,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:23,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:26:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:23,346 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:26:23,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:23,347 INFO L85 PathProgramCache]: Analyzing trace with hash -668050249, now seen corresponding path program 14 times [2021-12-06 22:26:23,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:23,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590173184] [2021-12-06 22:26:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:23,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:23,355 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:26:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:26:23,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:26:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1757950206, now seen corresponding path program 13 times [2021-12-06 22:26:23,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:23,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32082200] [2021-12-06 22:26:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:23,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 111 proven. 650 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:26:24,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:24,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32082200] [2021-12-06 22:26:24,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32082200] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:26:24,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673516552] [2021-12-06 22:26:24,136 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 22:26:24,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:26:24,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:26:24,137 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:26:24,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (386)] Waiting until timeout for monitored process [2021-12-06 22:26:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:24,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 119 conjunts are in the unsatisfiable core [2021-12-06 22:26:24,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:26:24,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:26:25,332 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 22:26:25,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2021-12-06 22:26:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 111 proven. 648 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:26:25,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:26:25,936 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-06 22:26:25,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 103 [2021-12-06 22:26:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 111 proven. 648 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:26:27,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673516552] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:26:27,210 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:26:27,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28, 28] total 72 [2021-12-06 22:26:27,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554962446] [2021-12-06 22:26:27,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:26:28,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:28,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-12-06 22:26:28,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=4870, Unknown=0, NotChecked=0, Total=5112 [2021-12-06 22:26:28,504 INFO L87 Difference]: Start difference. First operand 13340 states and 16864 transitions. cyclomatic complexity: 3746 Second operand has 72 states, 72 states have (on average 3.1944444444444446) internal successors, (230), 72 states have internal predecessors, (230), 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) [2021-12-06 22:26:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:59,060 INFO L93 Difference]: Finished difference Result 61044 states and 75866 transitions. [2021-12-06 22:26:59,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2021-12-06 22:26:59,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61044 states and 75866 transitions. [2021-12-06 22:26:59,239 INFO L131 ngComponentsAnalysis]: Automaton has 558 accepting balls. 27282 [2021-12-06 22:26:59,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61044 states to 61044 states and 75866 transitions. [2021-12-06 22:26:59,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59706 [2021-12-06 22:26:59,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59706 [2021-12-06 22:26:59,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61044 states and 75866 transitions. [2021-12-06 22:26:59,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:26:59,437 INFO L681 BuchiCegarLoop]: Abstraction has 61044 states and 75866 transitions. [2021-12-06 22:26:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61044 states and 75866 transitions. [2021-12-06 22:26:59,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61044 to 24578. [2021-12-06 22:26:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24578 states, 24578 states have (on average 1.3123525103751323) internal successors, (32255), 24577 states have internal predecessors, (32255), 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) [2021-12-06 22:26:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24578 states to 24578 states and 32255 transitions. [2021-12-06 22:26:59,924 INFO L704 BuchiCegarLoop]: Abstraction has 24578 states and 32255 transitions. [2021-12-06 22:26:59,940 INFO L587 BuchiCegarLoop]: Abstraction has 24578 states and 32255 transitions. [2021-12-06 22:26:59,940 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-12-06 22:26:59,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24578 states and 32255 transitions. [2021-12-06 22:27:00,004 INFO L131 ngComponentsAnalysis]: Automaton has 216 accepting balls. 13192 [2021-12-06 22:27:00,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:27:00,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:27:00,005 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:00,005 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [10, 10, 9, 9, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:00,005 INFO L791 eck$LassoCheckResult]: Stem: 177399#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 177400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 177406#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 177407#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 177413#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 177470#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 177468#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 177469#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 177505#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 177410#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 177403#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 177404#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 177593#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 177594#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 177588#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 177589#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 194222#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 194223#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 194217#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 194218#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195155#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195154#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195152#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 195150#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195149#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195147#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195144#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 195145#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195148#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195146#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195138#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 195139#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195876#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195875#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195872#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 195873#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 196783#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 196782#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 196725#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 195158#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195159#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195118#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195119#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 197324#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195367#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 195203#L513 [2021-12-06 22:27:00,005 INFO L793 eck$LassoCheckResult]: Loop: 195203#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 195201#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 195198#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 195194#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 195169#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 195083#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 195080#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 195079#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 195022#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195023#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 195013#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195014#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195005#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195006#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 197142#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197141#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197140#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197139#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 197138#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197137#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197136#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197135#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 197134#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197133#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197132#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197131#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 196490#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197130#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197129#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197128#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 195794#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195795#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 195790#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 195791#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 197123#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197150#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197151#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 199121#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 199119#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197335#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197333#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197334#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 197246#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197242#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 197241#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197240#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 197232#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 197226#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 195203#L513 [2021-12-06 22:27:00,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:00,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1093751884, now seen corresponding path program 13 times [2021-12-06 22:27:00,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:00,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967539534] [2021-12-06 22:27:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:00,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:00,018 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:27:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:00,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:27:00,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash -24685893, now seen corresponding path program 15 times [2021-12-06 22:27:00,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:00,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42561367] [2021-12-06 22:27:00,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:00,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:00,047 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:27:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:00,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:27:00,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1114585850, now seen corresponding path program 14 times [2021-12-06 22:27:00,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:00,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089902482] [2021-12-06 22:27:00,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:00,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 77 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:27:00,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:00,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089902482] [2021-12-06 22:27:00,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089902482] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:27:00,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874068004] [2021-12-06 22:27:00,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:27:00,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:00,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:27:00,751 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:27:00,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (387)] Waiting until timeout for monitored process [2021-12-06 22:27:00,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:27:00,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:27:00,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 121 conjunts are in the unsatisfiable core [2021-12-06 22:27:00,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:01,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:27:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 77 proven. 684 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:27:01,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:27:02,688 INFO L354 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2021-12-06 22:27:02,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 56 [2021-12-06 22:27:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 10 proven. 751 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:27:02,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874068004] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:27:02,897 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:27:02,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 27] total 58 [2021-12-06 22:27:02,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719610760] [2021-12-06 22:27:02,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:27:04,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:04,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-12-06 22:27:04,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=3130, Unknown=0, NotChecked=0, Total=3306 [2021-12-06 22:27:04,215 INFO L87 Difference]: Start difference. First operand 24578 states and 32255 transitions. cyclomatic complexity: 7993 Second operand has 58 states, 58 states have (on average 3.3620689655172415) internal successors, (195), 58 states have internal predecessors, (195), 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) [2021-12-06 22:27:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:09,321 INFO L93 Difference]: Finished difference Result 22980 states and 28083 transitions. [2021-12-06 22:27:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-06 22:27:09,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22980 states and 28083 transitions. [2021-12-06 22:27:09,398 INFO L131 ngComponentsAnalysis]: Automaton has 266 accepting balls. 4380 [2021-12-06 22:27:09,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22980 states to 22764 states and 27778 transitions. [2021-12-06 22:27:09,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21470 [2021-12-06 22:27:09,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21470 [2021-12-06 22:27:09,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22764 states and 27778 transitions. [2021-12-06 22:27:09,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:27:09,439 INFO L681 BuchiCegarLoop]: Abstraction has 22764 states and 27778 transitions. [2021-12-06 22:27:09,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22764 states and 27778 transitions. [2021-12-06 22:27:09,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22764 to 13892. [2021-12-06 22:27:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13892 states, 13892 states have (on average 1.2702994529225453) internal successors, (17647), 13891 states have internal predecessors, (17647), 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) [2021-12-06 22:27:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13892 states to 13892 states and 17647 transitions. [2021-12-06 22:27:09,586 INFO L704 BuchiCegarLoop]: Abstraction has 13892 states and 17647 transitions. [2021-12-06 22:27:09,586 INFO L587 BuchiCegarLoop]: Abstraction has 13892 states and 17647 transitions. [2021-12-06 22:27:09,586 INFO L425 BuchiCegarLoop]: ======== Iteration 27============ [2021-12-06 22:27:09,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13892 states and 17647 transitions. [2021-12-06 22:27:09,612 INFO L131 ngComponentsAnalysis]: Automaton has 138 accepting balls. 3866 [2021-12-06 22:27:09,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:27:09,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:27:09,613 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:09,613 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [11, 11, 10, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:09,613 INFO L791 eck$LassoCheckResult]: Stem: 225630#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 225631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 225637#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 225638#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 225642#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 225704#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 225702#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 225703#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 225738#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 225737#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 225634#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 225635#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 227077#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 227076#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 227074#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 227075#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 235211#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 235212#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 235206#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 235207#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236120#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236096#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236094#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236093#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236092#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236091#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236089#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236088#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236087#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236086#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236084#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236085#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236213#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236190#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236191#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 238063#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 238062#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236330#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236331#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 225655#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 225656#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 225640#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 225641#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 236053#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236101#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236102#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236141#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236142#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236027#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 236023#L513 [2021-12-06 22:27:09,613 INFO L793 eck$LassoCheckResult]: Loop: 236023#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 236019#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 236015#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 236011#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 236007#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 236003#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 235999#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 235878#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 235997#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 235995#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 235992#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 235990#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 235988#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 235986#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 235651#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236617#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236618#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236613#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236614#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236609#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236610#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236604#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 236606#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236596#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236597#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236590#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236588#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236586#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236585#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236583#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 236582#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236581#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236580#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236578#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 236579#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236623#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236812#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236810#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 236566#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236567#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236562#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236563#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236990#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236991#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 237007#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 237004#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 235909#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236145#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 236144#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236143#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 236136#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 236137#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 236023#L513 [2021-12-06 22:27:09,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1531140362, now seen corresponding path program 14 times [2021-12-06 22:27:09,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:09,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160730773] [2021-12-06 22:27:09,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:09,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:09,622 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:27:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:09,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:27:09,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:09,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1547732259, now seen corresponding path program 16 times [2021-12-06 22:27:09,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:09,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464829444] [2021-12-06 22:27:09,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:09,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:09,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:27:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:09,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:27:09,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:09,653 INFO L85 PathProgramCache]: Analyzing trace with hash -624885422, now seen corresponding path program 15 times [2021-12-06 22:27:09,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:09,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914571152] [2021-12-06 22:27:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:09,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 123 proven. 802 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:27:10,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:10,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914571152] [2021-12-06 22:27:10,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914571152] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:27:10,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004177942] [2021-12-06 22:27:10,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:27:10,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:10,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:27:10,446 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:27:10,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (388)] Waiting until timeout for monitored process [2021-12-06 22:27:10,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-12-06 22:27:10,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:27:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 135 conjunts are in the unsatisfiable core [2021-12-06 22:27:10,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:11,859 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-12-06 22:27:11,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-06 22:27:12,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:27:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 123 proven. 802 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:27:12,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:27:13,666 INFO L354 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2021-12-06 22:27:13,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 30 [2021-12-06 22:27:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 125 proven. 800 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:27:14,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004177942] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:27:14,912 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:27:14,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 30] total 82 [2021-12-06 22:27:14,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217774138] [2021-12-06 22:27:14,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:27:16,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:16,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-12-06 22:27:16,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=6367, Unknown=0, NotChecked=0, Total=6642 [2021-12-06 22:27:16,440 INFO L87 Difference]: Start difference. First operand 13892 states and 17647 transitions. cyclomatic complexity: 3993 Second operand has 82 states, 82 states have (on average 3.1951219512195124) internal successors, (262), 82 states have internal predecessors, (262), 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) [2021-12-06 22:27:31,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:31,538 INFO L93 Difference]: Finished difference Result 55771 states and 68480 transitions. [2021-12-06 22:27:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-12-06 22:27:31,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55771 states and 68480 transitions. [2021-12-06 22:27:31,704 INFO L131 ngComponentsAnalysis]: Automaton has 915 accepting balls. 12040 [2021-12-06 22:27:31,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55771 states to 55771 states and 68480 transitions. [2021-12-06 22:27:31,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54021 [2021-12-06 22:27:31,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54021 [2021-12-06 22:27:31,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55771 states and 68480 transitions. [2021-12-06 22:27:31,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:27:31,862 INFO L681 BuchiCegarLoop]: Abstraction has 55771 states and 68480 transitions. [2021-12-06 22:27:31,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55771 states and 68480 transitions. [2021-12-06 22:27:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55771 to 21274. [2021-12-06 22:27:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21274 states, 21274 states have (on average 1.2948199680361003) internal successors, (27546), 21273 states have internal predecessors, (27546), 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) [2021-12-06 22:27:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21274 states to 21274 states and 27546 transitions. [2021-12-06 22:27:32,214 INFO L704 BuchiCegarLoop]: Abstraction has 21274 states and 27546 transitions. [2021-12-06 22:27:32,214 INFO L587 BuchiCegarLoop]: Abstraction has 21274 states and 27546 transitions. [2021-12-06 22:27:32,214 INFO L425 BuchiCegarLoop]: ======== Iteration 28============ [2021-12-06 22:27:32,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21274 states and 27546 transitions. [2021-12-06 22:27:32,257 INFO L131 ngComponentsAnalysis]: Automaton has 246 accepting balls. 9028 [2021-12-06 22:27:32,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:27:32,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:27:32,258 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [11, 11, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:32,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [12, 12, 11, 8, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:32,259 INFO L791 eck$LassoCheckResult]: Stem: 296105#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 296106#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 296112#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 296113#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 296119#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 296177#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 296175#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 296176#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 296212#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 296116#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 296109#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 296110#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 296294#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 296295#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 296289#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 296290#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 310698#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 310699#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 310693#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 310694#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311396#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 311395#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311393#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 311394#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311513#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 311512#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311510#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 311509#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311508#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 311507#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311505#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 311506#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 314182#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 311514#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311497#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 311498#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312273#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312263#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312264#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312362#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312363#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312322#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312205#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 312203#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312200#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 311558#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 311559#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312440#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312429#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 312427#L513 [2021-12-06 22:27:32,259 INFO L793 eck$LassoCheckResult]: Loop: 312427#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 312425#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 312423#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 312421#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 312419#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 312417#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 311860#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 311585#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 312415#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312412#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312410#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312408#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312406#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312404#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 311201#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312895#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312896#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312891#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312892#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312887#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312888#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312882#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 312884#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312876#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312877#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312869#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312867#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312865#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312863#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312861#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 312860#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312859#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312858#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312856#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312855#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312853#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312854#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313187#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 313188#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313182#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 313183#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313178#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 313177#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313176#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 313172#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313169#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 313166#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313167#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 313170#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 313168#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 311617#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312357#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 312356#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312354#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 312355#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 312434#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 312427#L513 [2021-12-06 22:27:32,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1531140362, now seen corresponding path program 15 times [2021-12-06 22:27:32,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:32,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095676642] [2021-12-06 22:27:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:32,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:32,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:27:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:32,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:27:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:32,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1413202295, now seen corresponding path program 17 times [2021-12-06 22:27:32,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:32,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704408204] [2021-12-06 22:27:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:32,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:32,286 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:27:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:27:32,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:27:32,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:32,296 INFO L85 PathProgramCache]: Analyzing trace with hash -519863682, now seen corresponding path program 16 times [2021-12-06 22:27:32,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:32,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257808585] [2021-12-06 22:27:32,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:32,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 169 proven. 842 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-06 22:27:32,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:32,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257808585] [2021-12-06 22:27:32,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257808585] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:27:32,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407988965] [2021-12-06 22:27:32,997 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:27:32,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:32,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:27:32,998 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:27:32,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (389)] Waiting until timeout for monitored process [2021-12-06 22:27:33,090 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:27:33,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:27:33,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 119 conjunts are in the unsatisfiable core [2021-12-06 22:27:33,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:33,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 22:27:33,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 22:27:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 169 proven. 840 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:27:33,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:27:34,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2021-12-06 22:27:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 169 proven. 840 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:27:34,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407988965] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:27:34,285 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:27:34,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27, 27] total 45 [2021-12-06 22:27:34,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974457740] [2021-12-06 22:27:34,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:27:36,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:36,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-12-06 22:27:36,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1858, Unknown=0, NotChecked=0, Total=1980 [2021-12-06 22:27:36,039 INFO L87 Difference]: Start difference. First operand 21274 states and 27546 transitions. cyclomatic complexity: 6638 Second operand has 45 states, 45 states have (on average 3.577777777777778) internal successors, (161), 45 states have internal predecessors, (161), 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) [2021-12-06 22:27:42,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:42,083 INFO L93 Difference]: Finished difference Result 37070 states and 45127 transitions. [2021-12-06 22:27:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-06 22:27:42,084 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37070 states and 45127 transitions. [2021-12-06 22:27:42,186 INFO L131 ngComponentsAnalysis]: Automaton has 428 accepting balls. 5616 [2021-12-06 22:27:42,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37070 states to 36992 states and 45049 transitions. [2021-12-06 22:27:42,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35276 [2021-12-06 22:27:42,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35276 [2021-12-06 22:27:42,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36992 states and 45049 transitions. [2021-12-06 22:27:42,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:27:42,283 INFO L681 BuchiCegarLoop]: Abstraction has 36992 states and 45049 transitions. [2021-12-06 22:27:42,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36992 states and 45049 transitions. [2021-12-06 22:27:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36992 to 19148. [2021-12-06 22:27:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19148 states, 19148 states have (on average 1.2856172968456236) internal successors, (24617), 19147 states have internal predecessors, (24617), 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) [2021-12-06 22:27:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19148 states to 19148 states and 24617 transitions. [2021-12-06 22:27:42,519 INFO L704 BuchiCegarLoop]: Abstraction has 19148 states and 24617 transitions. [2021-12-06 22:27:42,520 INFO L587 BuchiCegarLoop]: Abstraction has 19148 states and 24617 transitions. [2021-12-06 22:27:42,520 INFO L425 BuchiCegarLoop]: ======== Iteration 29============ [2021-12-06 22:27:42,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19148 states and 24617 transitions. [2021-12-06 22:27:42,557 INFO L131 ngComponentsAnalysis]: Automaton has 168 accepting balls. 4766 [2021-12-06 22:27:42,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:27:42,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:27:42,558 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [9, 9, 7, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:42,558 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 22:27:42,559 INFO L791 eck$LassoCheckResult]: Stem: 355173#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 355174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1.base, main_#t~ret14#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 355180#L534 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_dirname } true;dirname_#in~path#1.base, dirname_#in~path#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc dirname_#res#1.base, dirname_#res#1.offset;havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset, dirname_#t~mem6#1, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, dirname_#t~mem7#1, dirname_#t~post11#1.base, dirname_#t~post11#1.offset, dirname_#t~mem9#1, dirname_#t~short10#1, dirname_~path#1.base, dirname_~path#1.offset, dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~path#1.base, dirname_~path#1.offset := dirname_#in~path#1.base, dirname_#in~path#1.offset;havoc dirname_~c~0#1.base, dirname_~c~0#1.offset; 355181#L518 assume !(dirname_~path#1.base == 0 && dirname_~path#1.offset == 0); 355186#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 355247#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355245#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 355246#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355280#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 355183#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355177#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 355178#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355353#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 355352#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355350#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 355351#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 368335#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 368331#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 368332#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 368326#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 368327#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 368322#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 368314#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 368313#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355381#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 355379#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 355377#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 355375#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 355373#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 355370#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 355371#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 355318#L522-1 assume !(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1; 355316#L522-4 assume !false;assume { :begin_inline_strrchr } true;strrchr_#in~t#1.base, strrchr_#in~t#1.offset, strrchr_#in~c#1 := dirname_~path#1.base, dirname_~path#1.offset, 47;havoc strrchr_#res#1.base, strrchr_#res#1.offset;havoc strrchr_#t~mem2#1, strrchr_#t~mem3#1, strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset, strrchr_~t#1.base, strrchr_~t#1.offset, strrchr_~c#1, strrchr_~ch~0#1, strrchr_~l~0#1.base, strrchr_~l~0#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_#in~t#1.base, strrchr_#in~t#1.offset;strrchr_~c#1 := strrchr_#in~c#1;havoc strrchr_~ch~0#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := 0, 0;strrchr_~ch~0#1 := (if strrchr_~c#1 % 256 <= 127 then strrchr_~c#1 % 256 else strrchr_~c#1 % 256 - 256); 355314#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355312#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 355310#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355309#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 355308#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355307#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 355306#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355305#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 355304#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355303#L511 assume strrchr_#t~mem2#1 == strrchr_~ch~0#1;havoc strrchr_#t~mem2#1;strrchr_~l~0#1.base, strrchr_~l~0#1.offset := strrchr_~t#1.base, strrchr_~t#1.offset; 355302#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355301#L511-3 assume !(0 == strrchr_#t~mem3#1);havoc strrchr_#t~mem3#1;strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;strrchr_~t#1.base, strrchr_~t#1.offset := strrchr_~t#1.base, 1 + strrchr_~t#1.offset;havoc strrchr_#t~pre4#1.base, strrchr_#t~pre4#1.offset; 355299#L510-2 assume !false;call strrchr_#t~mem2#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355298#L511 assume !(strrchr_#t~mem2#1 == strrchr_~ch~0#1);havoc strrchr_#t~mem2#1; 355297#L511-2 call strrchr_#t~mem3#1 := read~int(strrchr_~t#1.base, strrchr_~t#1.offset, 1); 355286#L511-3 assume 0 == strrchr_#t~mem3#1;havoc strrchr_#t~mem3#1;strrchr_#res#1.base, strrchr_#res#1.offset := strrchr_~l~0#1.base, strrchr_~l~0#1.offset; 355285#L513 dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset := strrchr_#res#1.base, strrchr_#res#1.offset;assume { :end_inline_strrchr } true;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset; 355284#L520 assume !(dirname_~c~0#1.base == 0 && dirname_~c~0#1.offset == 0);havoc dirname_#t~ret5#1.base, dirname_#t~ret5#1.offset;call dirname_#t~mem6#1 := read~int(dirname_~c~0#1.base, 1 + dirname_~c~0#1.offset, 1); 355283#L521 assume 0 == dirname_#t~mem6#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset);havoc dirname_#t~mem6#1; 355282#L522-3 [2021-12-06 22:27:42,559 INFO L793 eck$LassoCheckResult]: Loop: 355282#L522-3 call dirname_#t~mem7#1 := read~int(dirname_~c~0#1.base, dirname_~c~0#1.offset, 1); 355281#L522-1 assume !!(47 == dirname_#t~mem7#1 && (dirname_~c~0#1.base != dirname_~path#1.base || dirname_~c~0#1.offset != dirname_~path#1.offset));havoc dirname_#t~mem7#1;dirname_#t~post8#1.base, dirname_#t~post8#1.offset := dirname_~c~0#1.base, dirname_~c~0#1.offset;dirname_~c~0#1.base, dirname_~c~0#1.offset := dirname_#t~post8#1.base, dirname_#t~post8#1.offset - 1;call write~int(0, dirname_#t~post8#1.base, dirname_#t~post8#1.offset, 1);havoc dirname_#t~post8#1.base, dirname_#t~post8#1.offset; 355282#L522-3 [2021-12-06 22:27:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1907376962, now seen corresponding path program 17 times [2021-12-06 22:27:42,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:42,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445646973] [2021-12-06 22:27:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:42,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-06 22:27:42,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:42,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445646973] [2021-12-06 22:27:42,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445646973] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:27:42,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403377215] [2021-12-06 22:27:42,987 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 22:27:42,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:27:42,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:27:42,988 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:27:42,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c709b80-14e0-4cb7-b409-387fa0121832/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (390)] Waiting until timeout for monitored process [2021-12-06 22:27:43,071 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-12-06 22:27:43,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:27:43,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 83 conjunts are in the unsatisfiable core [2021-12-06 22:27:43,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:27:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:27:43,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-12-06 22:27:43,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:27:43,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 11 [2021-12-06 22:27:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 72 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 22:27:43,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:27:45,561 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_dirname_~c~0#1.offset_285| Int) (v_ArrVal_483 Int)) (or (< |v_ULTIMATE.start_dirname_~c~0#1.offset_285| |c_ULTIMATE.start_strrchr_#res#1.offset|) (not (= 47 (select (select (store |c_#memory_int| |c_ULTIMATE.start_strrchr_#res#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_strrchr_#res#1.base|) |v_ULTIMATE.start_dirname_~c~0#1.offset_285| v_ArrVal_483)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)))))) is different from false [2021-12-06 22:29:06,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:29:06,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 47 [2021-12-06 22:29:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 74 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 22:29:07,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403377215] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:29:07,101 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:29:07,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 15] total 42 [2021-12-06 22:29:07,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880813317] [2021-12-06 22:29:07,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:29:07,102 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:29:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:07,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2886, now seen corresponding path program 4 times [2021-12-06 22:29:07,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:07,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584550248] [2021-12-06 22:29:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:07,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:29:07,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:29:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:29:07,106 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:29:07,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:07,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-12-06 22:29:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1463, Unknown=34, NotChecked=78, Total=1722 [2021-12-06 22:29:07,197 INFO L87 Difference]: Start difference. First operand 19148 states and 24617 transitions. cyclomatic complexity: 5757 Second operand has 42 states, 42 states have (on average 2.5714285714285716) internal successors, (108), 42 states have internal predecessors, (108), 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) [2021-12-06 22:29:55,373 WARN L227 SmtUtils]: Spent 42.36s on a formula simplification. DAG size of input: 49 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:31:34,190 WARN L227 SmtUtils]: Spent 1.51m on a formula simplification. DAG size of input: 55 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:32:29,328 WARN L227 SmtUtils]: Spent 42.67s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:33:27,939 WARN L227 SmtUtils]: Spent 46.14s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:33:51,820 WARN L227 SmtUtils]: Spent 17.31s on a formula simplification. DAG size of input: 43 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:34:45,047 WARN L227 SmtUtils]: Spent 43.71s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:34:59,609 WARN L227 SmtUtils]: Spent 14.53s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:35:01,349 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~l~0#1.base|)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|)) (.cse4 (= |c_ULTIMATE.start_strrchr_~l~0#1.base| |c_ULTIMATE.start_dirname_~path#1.base|))) (and (<= (+ |c_ULTIMATE.start_dirname_~path#1.offset| 3) |c_ULTIMATE.start_strrchr_~l~0#1.offset|) (let ((.cse1 (= |c_ULTIMATE.start_strrchr_~l~0#1.base| |c_ULTIMATE.start_strrchr_~t#1.base|)) (.cse0 (select .cse5 |c_ULTIMATE.start_strrchr_~t#1.offset|)) (.cse2 (= |c_ULTIMATE.start_strrchr_~t#1.offset| |c_ULTIMATE.start_strrchr_~l~0#1.offset|))) (or (and (not (= .cse0 47)) .cse1 .cse2) (and .cse1 (not (= .cse0 (select .cse3 |c_ULTIMATE.start_dirname_~path#1.offset|))) .cse4 .cse2))) (not (= (select .cse3 (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)) 47)) (not (= (select (select |c_#memory_int| |c_ULTIMATE.start_dirname_~path#1.base|) |c_ULTIMATE.start_dirname_~path#1.offset|) 47)) (or (not (= |c_ULTIMATE.start_strrchr_~ch~0#1| 47)) (and (not (= |c_ULTIMATE.start_strrchr_~ch~0#1| (select .cse5 |c_ULTIMATE.start_dirname_~path#1.offset|))) (= |c_ULTIMATE.start_strrchr_~t#1.base| |c_ULTIMATE.start_dirname_~path#1.base|))) .cse4 (= |c_ULTIMATE.start_dirname_~path#1.offset| 0) (forall ((|v_ULTIMATE.start_dirname_~c~0#1.offset_285| Int) (v_ArrVal_483 Int)) (or (not (= 47 (select (select (store |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_strrchr_~t#1.base|) |v_ULTIMATE.start_dirname_~c~0#1.offset_285| v_ArrVal_483)) |c_ULTIMATE.start_dirname_~path#1.base|) (+ |c_ULTIMATE.start_dirname_~path#1.offset| 1)))) (< |v_ULTIMATE.start_dirname_~c~0#1.offset_285| (+ |c_ULTIMATE.start_strrchr_~t#1.offset| 1)))))) is different from false [2021-12-06 22:35:21,640 WARN L227 SmtUtils]: Spent 10.54s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 22:35:42,882 WARN L227 SmtUtils]: Spent 15.45s on a formula simplification. DAG size of input: 50 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)