./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:05:19,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:05:19,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:05:19,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:05:19,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:05:19,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:05:19,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:05:19,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:05:19,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:05:19,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:05:19,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:05:19,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:05:19,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:05:19,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:05:19,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:05:19,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:05:19,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:05:19,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:05:19,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:05:19,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:05:19,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:05:19,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:05:19,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:05:19,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:05:19,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:05:19,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:05:19,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:05:19,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:05:19,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:05:19,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:05:19,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:05:19,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:05:19,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:05:19,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:05:19,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:05:19,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:05:19,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:05:19,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:05:19,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:05:19,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:05:19,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:05:19,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:05:19,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:05:19,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:05:19,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:05:19,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:05:19,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:05:19,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:05:19,622 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:05:19,623 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:05:19,623 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:05:19,623 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:05:19,623 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:05:19,623 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:05:19,623 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:05:19,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:05:19,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:05:19,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:05:19,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:05:19,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:05:19,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:05:19,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:05:19,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:05:19,625 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:05:19,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:05:19,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:05:19,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:05:19,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:05:19,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:05:19,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:05:19,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:05:19,627 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:05:19,653 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_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6d1b460be78c3f5e029d54d0a7fa22600d3741ab7318d086bc890d48e08ce26 [2021-10-21 19:05:19,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:05:19,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:05:19,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:05:19,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:05:19,968 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:05:19,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2021-10-21 19:05:20,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/data/e429eb974/6dcf96eee46942c580f11ee145f200c9/FLAG391a04c84 [2021-10-21 19:05:20,551 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:05:20,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/sv-benchmarks/c/termination-15/cstrpbrk_reverse_alloca.i [2021-10-21 19:05:20,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/data/e429eb974/6dcf96eee46942c580f11ee145f200c9/FLAG391a04c84 [2021-10-21 19:05:20,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/data/e429eb974/6dcf96eee46942c580f11ee145f200c9 [2021-10-21 19:05:20,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:05:20,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:05:20,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:20,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:05:20,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:05:20,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:20" (1/1) ... [2021-10-21 19:05:20,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5844e1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:20, skipping insertion in model container [2021-10-21 19:05:20,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:20" (1/1) ... [2021-10-21 19:05:20,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:05:20,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:05:21,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:21,323 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:05:21,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:21,433 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:05:21,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21 WrapperNode [2021-10-21 19:05:21,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:21,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:21,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:05:21,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:05:21,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:21,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:05:21,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:05:21,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:05:21,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:05:21,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:05:21,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:05:21,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:05:21,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (1/1) ... [2021-10-21 19:05:21,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:21,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:21,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:21,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:05:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:05:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:05:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:05:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:05:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:05:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:05:21,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:05:21,852 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 19:05:21,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:21 BoogieIcfgContainer [2021-10-21 19:05:21,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:05:21,855 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:05:21,855 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:05:21,858 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:05:21,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:05:21,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:05:20" (1/3) ... [2021-10-21 19:05:21,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3492b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:05:21, skipping insertion in model container [2021-10-21 19:05:21,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:05:21,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:21" (2/3) ... [2021-10-21 19:05:21,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3492b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:05:21, skipping insertion in model container [2021-10-21 19:05:21,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:05:21,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:21" (3/3) ... [2021-10-21 19:05:21,863 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_reverse_alloca.i [2021-10-21 19:05:21,907 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:05:21,907 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:05:21,907 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:05:21,907 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:05:21,908 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:05:21,908 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:05:21,908 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:05:21,908 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:05:21,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) [2021-10-21 19:05:21,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:05:21,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:05:21,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:05:21,948 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:05:21,948 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:05:21,948 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:05:21,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) [2021-10-21 19:05:21,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:05:21,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:05:21,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:05:21,953 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:05:21,953 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:05:21,960 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 17#L382true assume !(main_~length1~0 < 1); 14#L382-2true assume !(main_~length2~0 < 1); 5#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 9#L369-4true [2021-10-21 19:05:21,960 INFO L793 eck$LassoCheckResult]: Loop: 9#L369-4true call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 16#L369-1true assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 7#L372-5true assume !true; 6#L372-6true call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 18#L374true assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 10#L369-3true cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 9#L369-4true [2021-10-21 19:05:21,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:21,967 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-21 19:05:21,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:21,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710238812] [2021-10-21 19:05:21,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:21,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,133 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,182 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:22,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:22,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-10-21 19:05:22,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:22,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718714811] [2021-10-21 19:05:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:22,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:22,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:22,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718714811] [2021-10-21 19:05:22,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718714811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:22,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:22,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:05:22,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69044820] [2021-10-21 19:05:22,247 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:05:22,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:22,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:05:22,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:05:22,267 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:05:22,280 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-10-21 19:05:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:05:22,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-10-21 19:05:22,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:05:22,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-10-21 19:05:22,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-21 19:05:22,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-21 19:05:22,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-10-21 19:05:22,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:22,293 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 19:05:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-10-21 19:05:22,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-21 19:05:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-10-21 19:05:22,331 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 19:05:22,331 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 19:05:22,332 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:05:22,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-10-21 19:05:22,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-21 19:05:22,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:05:22,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:05:22,335 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 19:05:22,335 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:22,335 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 52#L382 assume !(main_~length1~0 < 1); 56#L382-2 assume !(main_~length2~0 < 1); 46#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 47#L369-4 [2021-10-21 19:05:22,336 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 53#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 50#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 51#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 55#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210; 48#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 49#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 54#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 47#L369-4 [2021-10-21 19:05:22,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:22,339 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-10-21 19:05:22,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:22,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387168269] [2021-10-21 19:05:22,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:22,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,401 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:22,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:22,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-10-21 19:05:22,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:22,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137279264] [2021-10-21 19:05:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:22,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,487 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:22,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:22,518 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-10-21 19:05:22,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:22,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670729997] [2021-10-21 19:05:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:22,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,592 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:22,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:23,707 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:05:23,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:05:23,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:05:23,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:05:23,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:05:23,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:23,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:05:23,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:05:23,709 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_reverse_alloca.i_Iteration2_Lasso [2021-10-21 19:05:23,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:05:23,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:05:23,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:23,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:24,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:24,833 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:05:24,837 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:05:24,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:24,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:24,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:24,859 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 [2021-10-21 19:05:24,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:24,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:24,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:24,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:24,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:05:24,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:24,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:24,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:24,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 19:05:24,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:24,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:24,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:24,933 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 [2021-10-21 19:05:24,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:24,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:24,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:24,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:24,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:24,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:24,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:24,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:05:24,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:24,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:24,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:24,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:24,998 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 [2021-10-21 19:05:25,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:05:25,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:25,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:25,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:05:25,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,131 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:05:25,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,200 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:05:25,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,269 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,276 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 [2021-10-21 19:05:25,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:25,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:25,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:05:25,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:05:25,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,418 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:05:25,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,455 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:05:25,460 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 [2021-10-21 19:05:25,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,539 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,544 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 [2021-10-21 19:05:25,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:05:25,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:05:25,610 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 [2021-10-21 19:05:25,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:05:25,647 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 [2021-10-21 19:05:25,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,682 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:05:25,684 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 [2021-10-21 19:05:25,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,738 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:05:25,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,812 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:05:25,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,845 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:05:25,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,879 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:05:25,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-21 19:05:25,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,910 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:05:25,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:25,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:25,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,952 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:05:25,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:25,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:25,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:25,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:25,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:25,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:25,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:25,987 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:25,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:05:25,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:25,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:25,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:25,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:25,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:25,998 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:25,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:26,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:26,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-21 19:05:26,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:26,050 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:26,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:05:26,051 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 [2021-10-21 19:05:26,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:26,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:26,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:26,058 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:05:26,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:26,065 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:05:26,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:26,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:26,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-21 19:05:26,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:26,089 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:26,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:05:26,091 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 [2021-10-21 19:05:26,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:26,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:26,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:26,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:26,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:26,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:26,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:26,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-21 19:05:26,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:26,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:26,124 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:05:26,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:26,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:26,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:26,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:26,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:26,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:26,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:26,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:05:26,234 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:05:26,235 INFO L444 ModelExtractionUtils]: 44 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-21 19:05:26,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:26,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:26,243 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:26,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:05:26,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:05:26,290 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:05:26,290 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:05:26,291 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset) = 2*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1 Supporting invariants [] [2021-10-21 19:05:26,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:26,403 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-10-21 19:05:26,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:26,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:05:26,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:26,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:05:26,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:26,597 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:05:26,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:26,641 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-10-21 19:05:26,642 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 [2021-10-21 19:05:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-10-21 19:05:26,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-21 19:05:26,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:26,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-10-21 19:05:26,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:26,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-10-21 19:05:26,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:26,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-21 19:05:26,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:05:26,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-10-21 19:05:26,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-21 19:05:26,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 19:05:26,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-21 19:05:26,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:05:26,657 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 19:05:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-21 19:05:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-21 19:05:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 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) [2021-10-21 19:05:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-21 19:05:26,661 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 19:05:26,661 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-21 19:05:26,661 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:05:26,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-21 19:05:26,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:05:26,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:05:26,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:05:26,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:26,666 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:05:26,666 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 195#L382 assume !(main_~length1~0 < 1); 202#L382-2 assume !(main_~length2~0 < 1); 185#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 186#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 197#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 191#L372-5 [2021-10-21 19:05:26,666 INFO L793 eck$LassoCheckResult]: Loop: 191#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 192#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 200#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 191#L372-5 [2021-10-21 19:05:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:26,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-10-21 19:05:26,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:26,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012963005] [2021-10-21 19:05:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:26,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:26,689 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:26,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:26,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:26,712 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-10-21 19:05:26,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:26,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800784164] [2021-10-21 19:05:26,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:26,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:26,719 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:26,726 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:26,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-10-21 19:05:26,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:26,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601039769] [2021-10-21 19:05:26,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:26,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:26,751 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:26,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:27,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:27,657 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:05:27,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:05:27,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:05:27,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:05:27,657 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:05:27,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:27,657 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:05:27,657 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:05:27,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_reverse_alloca.i_Iteration3_Lasso [2021-10-21 19:05:27,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:05:27,657 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:05:27,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:27,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:28,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:28,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:28,726 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:05:28,726 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:05:28,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:28,727 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:28,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:28,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:28,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:28,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:28,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:28,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:28,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:28,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:28,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:05:28,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:28,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:28,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:28,784 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:28,786 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 [2021-10-21 19:05:28,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:28,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:28,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:28,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:28,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:28,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:28,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:28,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:05:28,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:28,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:28,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:28,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:28,847 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:28,851 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 [2021-10-21 19:05:28,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:28,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:28,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:28,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:28,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:28,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:28,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:05:28,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:28,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:28,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:28,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:28,913 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:28,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:05:28,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:28,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:28,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:28,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:28,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:28,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:28,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:28,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:28,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:28,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:28,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:28,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:28,991 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:28,994 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 [2021-10-21 19:05:29,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:05:29,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,050 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:05:29,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:29,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,115 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:05:29,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:29,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-21 19:05:29,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,145 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:05:29,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:29,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:29,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:29,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-21 19:05:29,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,178 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:05:29,186 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 [2021-10-21 19:05:29,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 19:05:29,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,215 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,216 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 [2021-10-21 19:05:29,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:05:29,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,246 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:05:29,248 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 [2021-10-21 19:05:29,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,278 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:05:29,280 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 [2021-10-21 19:05:29,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,335 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:05:29,339 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 [2021-10-21 19:05:29,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,367 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:05:29,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:29,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 19:05:29,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,403 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:05:29,405 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 [2021-10-21 19:05:29,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,433 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:05:29,435 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 [2021-10-21 19:05:29,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 19:05:29,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,463 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:05:29,464 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 [2021-10-21 19:05:29,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:29,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:29,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:29,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,508 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:05:29,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:29,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:29,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:29,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:29,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,587 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:29,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:29,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:29,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:29,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:29,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:29,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:29,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:05:29,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:05:29,755 INFO L443 ModelExtractionUtils]: Simplification made 36 calls to the SMT solver. [2021-10-21 19:05:29,755 INFO L444 ModelExtractionUtils]: 9 out of 52 variables were initially zero. Simplification set additionally 36 variables to zero. [2021-10-21 19:05:29,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:29,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:29,757 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:29,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:05:29,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:05:29,780 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:05:29,781 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:05:29,781 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_2, ULTIMATE.start_cstrpbrk_~s2.offset, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_2 + 1*ULTIMATE.start_cstrpbrk_~s2.offset + 2*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_2 + 1*ULTIMATE.start_cstrpbrk_~s2.offset - 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2 >= 0] [2021-10-21 19:05:29,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:29,871 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-21 19:05:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:29,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-21 19:05:29,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:30,012 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-21 19:05:30,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2021-10-21 19:05:30,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-10-21 19:05:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:30,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:05:30,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:30,135 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-21 19:05:30,135 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.0) 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) [2021-10-21 19:05:30,210 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.0) 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) Result 43 states and 57 transitions. Complement of second has 7 states. [2021-10-21 19:05:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:05:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) 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) [2021-10-21 19:05:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-21 19:05:30,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-21 19:05:30,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:30,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-21 19:05:30,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:30,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-10-21 19:05:30,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:30,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-21 19:05:30,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:05:30,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-10-21 19:05:30,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 19:05:30,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 19:05:30,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-10-21 19:05:30,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:05:30,217 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-21 19:05:30,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-10-21 19:05:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-21 19:05:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 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) [2021-10-21 19:05:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-10-21 19:05:30,220 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-21 19:05:30,220 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-21 19:05:30,220 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:05:30,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-10-21 19:05:30,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:05:30,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:05:30,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:05:30,222 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:30,222 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:05:30,223 INFO L791 eck$LassoCheckResult]: Stem: 381#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 382#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 391#L382 assume !(main_~length1~0 < 1); 400#L382-2 assume !(main_~length2~0 < 1); 383#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 384#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 392#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 401#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 404#L372-1 assume !cstrpbrk_#t~short210; 402#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210; 385#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 386#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 396#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 393#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 395#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 387#L372-5 [2021-10-21 19:05:30,223 INFO L793 eck$LassoCheckResult]: Loop: 387#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 388#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 397#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 387#L372-5 [2021-10-21 19:05:30,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:30,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-10-21 19:05:30,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:30,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28667338] [2021-10-21 19:05:30,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:30,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:30,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:30,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28667338] [2021-10-21 19:05:30,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28667338] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:30,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:30,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:05:30,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636523395] [2021-10-21 19:05:30,320 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:05:30,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:30,321 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-10-21 19:05:30,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:30,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699256841] [2021-10-21 19:05:30,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:30,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,330 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,337 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:30,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:30,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:05:30,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:05:30,447 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:05:30,534 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-10-21 19:05:30,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:05:30,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-10-21 19:05:30,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:05:30,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-10-21 19:05:30,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-21 19:05:30,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 19:05:30,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-10-21 19:05:30,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:05:30,537 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-21 19:05:30,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-10-21 19:05:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-10-21 19:05:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 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) [2021-10-21 19:05:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-10-21 19:05:30,540 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:05:30,540 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:05:30,540 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:05:30,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-10-21 19:05:30,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:05:30,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:05:30,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:05:30,542 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:30,542 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:05:30,542 INFO L791 eck$LassoCheckResult]: Stem: 453#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 454#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 463#L382 assume !(main_~length1~0 < 1); 472#L382-2 assume !(main_~length2~0 < 1); 455#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 456#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 464#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 477#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 476#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 474#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210; 457#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 458#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 468#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset - 1;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 465#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 467#L369-1 assume !!(0 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 459#L372-5 [2021-10-21 19:05:30,542 INFO L793 eck$LassoCheckResult]: Loop: 459#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 0 != cstrpbrk_#t~mem208; 460#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 469#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset - 1;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 459#L372-5 [2021-10-21 19:05:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:30,543 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-10-21 19:05:30,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:30,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11008115] [2021-10-21 19:05:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:30,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,582 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-10-21 19:05:30,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:30,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662677013] [2021-10-21 19:05:30,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:30,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,609 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:30,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:30,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-10-21 19:05:30,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:30,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272554933] [2021-10-21 19:05:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:30,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,636 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:05:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:05:30,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:05:30,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:32,067 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:05:32,067 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:05:32,067 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:05:32,067 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:05:32,068 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:05:32,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:32,068 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:05:32,068 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:05:32,068 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_reverse_alloca.i_Iteration5_Lasso [2021-10-21 19:05:32,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:05:32,068 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:05:32,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:32,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:33,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:05:34,117 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:05:34,117 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:05:34,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,127 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:05:34,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-21 19:05:34,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,166 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:05:34,167 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 [2021-10-21 19:05:34,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:34,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,204 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:05:34,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:34,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,234 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:05:34,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-21 19:05:34,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,263 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:05:34,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-21 19:05:34,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,292 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:05:34,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:34,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:34,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-21 19:05:34,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,323 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:05:34,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:34,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:34,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 19:05:34,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,355 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:05:34,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:34,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,387 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:05:34,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:05:34,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:05:34,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:05:34,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 19:05:34,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,430 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:05:34,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:34,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:34,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:34,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,466 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:05:34,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:34,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:34,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:05:34,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 19:05:34,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,496 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:05:34,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:05:34,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:05:34,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:05:34,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:05:34,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:05:34,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:05:34,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:05:34,546 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:05:34,581 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 19:05:34,582 INFO L444 ModelExtractionUtils]: 20 out of 55 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-10-21 19:05:34,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:05:34,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:34,587 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:34,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:05:34,591 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:05:34,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:05:34,599 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:05:34,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset) = 2*ULTIMATE.start_cstrpbrk_~s~0.offset + 1 Supporting invariants [] [2021-10-21 19:05:34,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 19:05:34,698 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-10-21 19:05:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:34,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:05:34,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:34,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:05:34,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:34,853 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:05:34,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:34,868 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 5 states. [2021-10-21 19:05:34,869 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 [2021-10-21 19:05:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-21 19:05:34,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:05:34,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:34,869 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:05:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:34,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:05:34,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:34,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:05:34,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:34,985 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:05:34,986 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:34,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 5 states. [2021-10-21 19:05:35,000 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 [2021-10-21 19:05:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2021-10-21 19:05:35,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:05:35,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:35,001 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:05:35,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:35,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:05:35,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:35,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:05:35,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:05:35,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 19:05:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:05:35,145 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:05:35,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:35,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 53 transitions. Complement of second has 4 states. [2021-10-21 19:05:35,167 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 [2021-10-21 19:05:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:05:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2021-10-21 19:05:35,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:05:35,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:35,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-10-21 19:05:35,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:35,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-21 19:05:35,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:05:35,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-10-21 19:05:35,186 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:05:35,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-10-21 19:05:35,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:05:35,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:05:35,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:05:35,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:35,190 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:05:35,191 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:05:35,191 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:05:35,191 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:05:35,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:05:35,191 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:05:35,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:05:35,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:05:35 BoogieIcfgContainer [2021-10-21 19:05:35,197 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:05:35,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:05:35,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:05:35,198 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:05:35,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:21" (3/4) ... [2021-10-21 19:05:35,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:05:35,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:05:35,207 INFO L168 Benchmark]: Toolchain (without parser) took 14329.66 ms. Allocated memory was 115.3 MB in the beginning and 197.1 MB in the end (delta: 81.8 MB). Free memory was 70.4 MB in the beginning and 158.5 MB in the end (delta: -88.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:35,208 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory was 88.1 MB in the beginning and 88.1 MB in the end (delta: 53.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:35,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.50 ms. Allocated memory is still 115.3 MB. Free memory was 70.2 MB in the beginning and 80.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:35,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.3 MB in the beginning and 78.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:35,210 INFO L168 Benchmark]: Boogie Preprocessor took 35.49 ms. Allocated memory is still 115.3 MB. Free memory was 78.1 MB in the beginning and 77.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:35,210 INFO L168 Benchmark]: RCFGBuilder took 298.26 ms. Allocated memory is still 115.3 MB. Free memory was 77.0 MB in the beginning and 65.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:05:35,211 INFO L168 Benchmark]: BuchiAutomizer took 13342.58 ms. Allocated memory was 115.3 MB in the beginning and 197.1 MB in the end (delta: 81.8 MB). Free memory was 65.0 MB in the beginning and 158.5 MB in the end (delta: -93.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:35,211 INFO L168 Benchmark]: Witness Printer took 8.77 ms. Allocated memory is still 197.1 MB. Free memory is still 158.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:05:35,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory was 88.1 MB in the beginning and 88.1 MB in the end (delta: 53.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 552.50 ms. Allocated memory is still 115.3 MB. Free memory was 70.2 MB in the beginning and 80.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.60 ms. Allocated memory is still 115.3 MB. Free memory was 80.3 MB in the beginning and 78.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.49 ms. Allocated memory is still 115.3 MB. Free memory was 78.1 MB in the beginning and 77.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 298.26 ms. Allocated memory is still 115.3 MB. Free memory was 77.0 MB in the beginning and 65.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13342.58 ms. Allocated memory was 115.3 MB in the beginning and 197.1 MB in the end (delta: 81.8 MB). Free memory was 65.0 MB in the beginning and 158.5 MB in the end (delta: -93.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 8.77 ms. Allocated memory is still 197.1 MB. Free memory is still 158.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * sc1 + 1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + s2 + 2 * s and consists of 5 locations. One nondeterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 21.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 115 SDtfs, 123 SDslu, 71 SDs, 0 SdLazy, 95 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 91.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital290 mio100 ax100 hnf100 lsp106 ukn84 mio100 lsp40 div114 bol100 ite100 ukn100 eq184 hnf84 smp97 dnf489 smp31 tf100 neg96 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:05:35,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800b8208-a20f-4f9d-a10d-50119c00d383/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...